{"id":4513,"date":"2024-04-10T11:13:10","date_gmt":"2024-04-10T03:13:10","guid":{"rendered":"https:\/\/maxtormetal.com\/?p=4513"},"modified":"2025-06-18T14:50:32","modified_gmt":"2025-06-18T06:50:32","slug":"hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades","status":"publish","type":"post","link":"https:\/\/maxtormetal.com\/vi\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/","title":{"rendered":"Ph\u00e2n T\u00edch \u0110\u1ed9 C\u1ee9ng v\u00e0 C\u1ea5u Tr\u00fac Kim Lo\u1ea1i c\u1ee7a V\u1eadt Li\u1ec7u Th\u00e9p Ph\u1ed5 Bi\u1ebfn cho L\u01b0\u1ee1i Dao C\u01a1 Kh\u00ed"},"content":{"rendered":"<h2 class=\"wp-block-heading has-medium-font-size\" id=\"h-introduction\">Gi\u1edbi thi\u1ec7u<\/h2><p>L\u01b0\u1ee1i c\u01a1 kh\u00ed l\u00e0 c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y, c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nhau c\u1ee7a l\u01b0\u1ee1i dao c\u1ea7n \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn trong c\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau. Hi\u1ec7u su\u1ea5t c\u1ee7a <a href=\"https:\/\/en.wikipedia.org\/wiki\/Metallography\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">l\u01b0\u1ee1i dao<\/a> li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn \u0111\u1ed9 c\u1ee9ng v\u00e0 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Metallography\" target=\"_blank\" rel=\"noreferrer noopener\">luy\u1ec7n kim <\/a>c\u1ea5u tr\u00fac c\u1ee7a v\u1eadt li\u1ec7u \u0111\u00e3 ch\u1ecdn. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1edbi thi\u1ec7u v\u1ec1 \u0111\u1ed9 c\u1ee9ng v\u00e0 ph\u00e2n t\u00edch kim lo\u1ea1i c\u1ee7a c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u th\u00e9p th\u01b0\u1eddng d\u00f9ng l\u00e0m l\u01b0\u1ee1i dao, gi\u00fap ng\u01b0\u1eddi \u0111\u1ecdc hi\u1ec3u \u0111\u01b0\u1ee3c \u0111\u1eb7c t\u00ednh c\u1ee7a v\u1eadt li\u1ec7u l\u01b0\u1ee1i dao v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u00fang.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"796\" height=\"1024\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/21-796x1024.jpg\" alt=\"\" class=\"wp-image-4520\" style=\"aspect-ratio:3\/4;object-fit:cover\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/21-796x1024.jpg 796w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/21-233x300.jpg 233w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/21-768x987.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/21-1195x1536.jpg 1195w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/21-1593x2048.jpg 1593w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/21-9x12.jpg 9w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/21-600x771.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/21-scaled.jpg 1991w\" sizes=\"(max-width: 796px) 100vw, 796px\" \/><\/figure><\/div><h2 class=\"wp-block-heading has-medium-font-size\" id=\"h-1-overview-of-common-steel-materials-for-mechanical-blades\">1. T\u1ed5ng quan v\u1ec1 c\u00e1c v\u1eadt li\u1ec7u th\u00e9p th\u00f4ng d\u1ee5ng l\u00e0m l\u01b0\u1ee1i c\u01a1 kh\u00ed<\/h2><h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-1-1-principle-of-blade-material-selection\">1.1 Nguy\u00ean T\u1eafc L\u1ef1a Ch\u1ecdn Ch\u1ea5t Li\u1ec7u L\u01b0\u1ee1i Dao<\/h3><p>L\u01b0\u1ee1i c\u01a1 kh\u00ed \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c t\u00ecnh hu\u1ed1ng x\u1eed l\u00fd kh\u00e1c nhau trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y. Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u l\u01b0\u1ee1i dao ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a l\u01b0\u1ee1i dao. V\u00ec v\u1eady, vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u c\u01a1 kh\u00ed c\u1ee7a l\u01b0\u1ee1i dao c\u1ea7n ph\u1ea3i tu\u00e2n theo c\u00e1c nguy\u00ean t\u1eafc sau:<\/p><ul><li><strong>\u0110\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n: <\/strong>V\u1eadt li\u1ec7u l\u01b0\u1ee1i c\u1eaft c\u1ea7n ph\u1ea3i c\u00f3 \u0111\u1ee7 \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o l\u01b0\u1ee1i dao kh\u00f4ng d\u1ec5 b\u1ecb m\u00f2n ho\u1eb7c bi\u1ebfn d\u1ea1ng trong qu\u00e1 tr\u00ecnh gia c\u00f4ng, t\u1eeb \u0111\u00f3 duy tr\u00ec hi\u1ec7u su\u1ea5t c\u1eaft v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c gia c\u00f4ng.<\/li>\n\n<li><strong>\u0110\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng g\u00e3y:<\/strong> M\u1eb7c d\u00f9 \u0111\u1ed9 c\u1ee9ng l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 quan tr\u1ecdng nh\u01b0ng v\u1eadt li\u1ec7u l\u01b0\u1ee1i dao c\u0169ng c\u1ea7n ph\u1ea3i c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng g\u00e3y nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 ng\u0103n ng\u1eeba nh\u1eefng g\u00e3y x\u01b0\u01a1ng b\u1ea5t ng\u1edd trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd, t\u1eeb \u0111\u00f3 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb x\u1eed l\u00fd v\u00e0 s\u1ef1 an to\u00e0n c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh.<\/li>\n\n<li><strong>Hi\u1ec7u su\u1ea5t c\u1eaft: <\/strong>V\u1eadt li\u1ec7u l\u01b0\u1ee1i c\u1ea7n ph\u1ea3i c\u00f3 hi\u1ec7u su\u1ea5t c\u1eaft t\u1ed1t, ngh\u0129a l\u00e0 ch\u00fang c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u ph\u00f4i m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 t\u1ea1o ra b\u1ec1 m\u1eb7t c\u1eaft r\u00f5 r\u00e0ng trong qu\u00e1 tr\u00ecnh c\u1eaft, n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng x\u1eed l\u00fd.<\/li>\n\n<li><strong>\u1ed4n \u0111\u1ecbnh nhi\u1ec7t: <\/strong>Trong \u0111i\u1ec1u ki\u1ec7n c\u1eaft nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 t\u1ed1c \u0111\u1ed9 cao, v\u1eadt li\u1ec7u l\u01b0\u1ee1i c\u1eaft c\u1ea7n c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t t\u1ed1t \u0111\u1ec3 ng\u0103n ng\u1eeba c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 m\u1ec1m, oxy h\u00f3a ho\u1eb7c bong tr\u00f3c v\u1eadt li\u1ec7u do nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n\n<li><strong>Kinh t\u1ebf: <\/strong>V\u1edbi ti\u1ec1n \u0111\u1ec1 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t, l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u l\u01b0\u1ee1i c\u1eaft h\u1ee3p l\u00fd v\u1ec1 m\u1eb7t kinh t\u1ebf \u0111\u1ec3 gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd.<\/li><\/ul><h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-1-2-overview-of-common-steel-materials-for-mechanical-blades\">1.2 T\u1ed5ng quan v\u1ec1 c\u00e1c v\u1eadt li\u1ec7u th\u00e9p th\u00f4ng d\u1ee5ng l\u00e0m l\u01b0\u1ee1i c\u01a1 kh\u00ed<\/h3><ul><li><strong>Th\u00e9p Gi\u00f3 (HSS) <\/strong>Th\u00e9p t\u1ed1c \u0111\u1ed9 cao l\u00e0 th\u00e9p h\u1ee3p kim ch\u1ee9a t\u1ef7 l\u1ec7 cao vonfram (W), molypden (Mo), coban (Co) v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c. N\u00f3 c\u00f3 \u0111\u1ed9 c\u1ee9ng cao, ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t, th\u00edch h\u1ee3p cho vi\u1ec7c c\u1eaft v\u00e0 gia c\u00f4ng t\u1ed1c \u0111\u1ed9 cao.<\/li>\n\n<li><strong>H\u1ee3p kim c\u1ee9ng (cacbua):<\/strong> H\u1ee3p kim c\u1ee9ng l\u00e0 v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p bao g\u1ed3m c\u00e1c h\u1ea1t cacbua vonfram (WC) v\u00e0 pha k\u1ebft d\u00ednh (th\u01b0\u1eddng l\u00e0 coban). N\u00f3 c\u00f3 \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ef1c cao, th\u00edch h\u1ee3p \u0111\u1ec3 c\u1eaft c\u00e1c v\u1eadt li\u1ec7u c\u1ee9ng nh\u01b0 th\u00e9p, gang, th\u00e9p kh\u00f4ng g\u1ec9, v.v.<\/li>\n\n<li><strong>Th\u00e9p c\u00f4ng c\u1ee5: <\/strong>Th\u00e9p c\u00f4ng c\u1ee5 l\u00e0 lo\u1ea1i th\u00e9p h\u1ee3p kim c\u00f3 h\u00e0m l\u01b0\u1ee3ng cacbon cao th\u00edch h\u1ee3p \u0111\u1ec3 s\u1ea3n xu\u1ea5t khu\u00f4n v\u00e0 l\u01b0\u1ee1i c\u1eaft ngu\u1ed9i, n\u00f3ng. N\u00f3 c\u00f3 \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao, th\u00edch h\u1ee3p cho vi\u1ec7c s\u1ea3n xu\u1ea5t l\u01b0\u1ee1i dao v\u00e0 dao c\u1eaft kh\u00e1c nhau.<\/li><\/ul><h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-1-3-introduction-to-the-application-scenarios-of-different-steel-materials\">1.3 Gi\u1edbi thi\u1ec7u c\u00e1c k\u1ecbch b\u1ea3n \u1ee9ng d\u1ee5ng c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u th\u00e9p kh\u00e1c nhau<\/h3><ul><li><strong>Th\u00e9p Gi\u00f3 (HSS) <\/strong>Th\u00edch h\u1ee3p cho c\u00e1c l\u01b0\u1ee1i c\u1eaft t\u1ed1c \u0111\u1ed9 cao kh\u00e1c nhau nh\u01b0 dao phay, m\u00e1y khoan, l\u01b0\u1ee1i dao, v.v., \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong \u00f4 t\u00f4, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, s\u1ea3n xu\u1ea5t m\u00e1y m\u00f3c v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c.<\/li>\n\n<li><strong>H\u1ee3p kim c\u1ee9ng (cacbua): <\/strong>Th\u00edch h\u1ee3p \u0111\u1ec3 c\u1eaft c\u00e1c v\u1eadt li\u1ec7u c\u1ee9ng nh\u01b0 th\u00e9p, gang, th\u00e9p h\u1ee3p kim, th\u00e9p kh\u00f4ng g\u1ec9, v.v., \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong m\u00e1y ti\u1ec7n CNC, m\u00e1y phay CNC, l\u01b0\u1ee1i ti\u1ec7n, v.v.<\/li>\n\n<li><strong>Th\u00e9p c\u00f4ng c\u1ee5: <\/strong>Th\u00edch h\u1ee3p \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c lo\u1ea1i khu\u00f4n v\u00e0 l\u01b0\u1ee1i c\u1eaft kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 khu\u00f4n d\u1eadp, khu\u00f4n \u00e9p \u0111\u00f9n, khu\u00f4n d\u1eadp ngu\u1ed9i, l\u01b0\u1ee1i c\u1eaft, v.v., \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 \u00f4 t\u00f4, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, \u0111i\u1ec7n t\u1eed, v.v.<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"809\" height=\"626\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/4.jpg\" alt=\"\" class=\"wp-image-4516\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/4.jpg 809w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/4-300x232.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/4-768x594.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/4-16x12.jpg 16w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/4-600x464.jpg 600w\" sizes=\"(max-width: 809px) 100vw, 809px\" \/><\/figure><\/div><h2 class=\"wp-block-heading has-medium-font-size\" id=\"h-2-hardness-analysis\">2. Ph\u00e2n t\u00edch \u0111\u1ed9 c\u1ee9ng<\/h2><p>\u0110\u1ed9 c\u1ee9ng l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng c\u1ee7a l\u01b0\u1ee1i dao. \u0110\u1ed9 c\u1ee9ng ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, ch\u1ed1ng m\u1ecfi v\u00e0 hi\u1ec7u su\u1ea5t c\u1eaft c\u1ee7a l\u01b0\u1ee1i dao, t\u1eeb \u0111\u00f3 c\u1ea3i thi\u1ec7n tu\u1ed5i th\u1ecd v\u00e0 hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd c\u1ee7a dao.<\/p><h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-2-1-definition\">2.1 \u0110\u1ecbnh ngh\u0129a<\/h3><p>\u0110\u1ed9 c\u1ee9ng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i c\u00e1c l\u1ef1c b\u00ean ngo\u00e0i x\u00e2m nh\u1eadp ho\u1eb7c tr\u1ea7y x\u01b0\u1edbc c\u1ee7a v\u1eadt li\u1ec7u. Trong v\u1eadt li\u1ec7u l\u00e0m dao, \u0111\u1ed9 c\u1ee9ng l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, hi\u1ec7u su\u1ea5t c\u1eaft, v.v. c\u1ee7a dao.<\/p><h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-2-2-measurement-methods\">2.2 Ph\u01b0\u01a1ng ph\u00e1p \u0111o<\/h3><p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m \u0111\u1ed9 c\u1ee9ng Rockwell, \u0111\u1ed9 c\u1ee9ng Brinell v\u00e0 \u0111\u1ed9 c\u1ee9ng Vickers.<\/p><ul><li><strong>Rockwell \u0111\u1ed9 c\u1ee9ng: <\/strong>Ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng Rockwell x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u b\u1eb1ng c\u00e1ch \u0111o \u0111\u1ed9 s\u00e2u c\u1ee7a v\u1ebft l\u00f5m h\u00ecnh th\u00e0nh tr\u00ean b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u trong qu\u00e1 tr\u00ecnh t\u1ea3i v\u00e0 d\u1ee1 t\u1ea3i d\u01b0\u1edbi m\u1ed9t t\u1ea3i tr\u1ecdng nh\u1ea5t \u0111\u1ecbnh. \u0110\u1ed9 c\u1ee9ng Rockwell \u0111\u01b0\u1ee3c chia th\u00e0nh ba ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m kh\u00e1c nhau: A, B v\u00e0 C, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau. Gi\u00e1 tr\u1ecb \u0111\u1ed9 c\u1ee9ng c\u1ee7a ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng \u201cHRA\u201d, \u201cHRB\u201d ho\u1eb7c \u201cHRC\u201d.<\/li>\n\n<li><strong>Brinell \u0111\u1ed9 c\u1ee9ng: <\/strong>Ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng Brinell x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u b\u1eb1ng c\u00e1ch \u0111o \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a v\u1ebft l\u00f5m h\u00ecnh th\u00e0nh tr\u00ean b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u b\u1eb1ng c\u00e1ch t\u00e1c d\u1ee5ng m\u1ed9t t\u1ea3i tr\u1ecdng nh\u1ea5t \u0111\u1ecbnh b\u1eb1ng \u0111\u1ea7u \u0111o h\u00ecnh c\u1ea7u. Gi\u00e1 tr\u1ecb \u0111\u1ed9 c\u1ee9ng c\u1ee7a n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng \u201cHB\u201d.<\/li>\n\n<li><strong>\u0110\u1ed9 c\u1ee9ng Vickers: <\/strong>Ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng Vickers x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u b\u1eb1ng c\u00e1ch \u0111o chi\u1ec1u d\u00e0i \u0111\u01b0\u1eddng ch\u00e9o c\u1ee7a v\u1ebft l\u00f5m h\u00ecnh th\u00e0nh tr\u00ean b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u b\u1eb1ng c\u00e1ch t\u00e1c d\u1ee5ng m\u1ed9t t\u1ea3i tr\u1ecdng nh\u1ea5t \u0111\u1ecbnh v\u1edbi \u0111\u1ea7u \u0111o kim c\u01b0\u01a1ng. Gi\u00e1 tr\u1ecb \u0111\u1ed9 c\u1ee9ng c\u1ee7a n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng \u201cHV\u201d.<\/li><\/ul><p>C\u00f3 <a href=\"https:\/\/www.steelexpress.co.uk\/steel-hardness-conversion.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>c\u00e1c m\u1ed1i quan h\u1ec7 chuy\u1ec3n \u0111\u1ed5i nh\u1ea5t \u0111\u1ecbnh<\/strong><\/a> gi\u1eefa c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng n\u00e0y v\u00e0 gi\u00e1 tr\u1ecb \u0111\u1ed9 c\u1ee9ng c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00f4ng qua c\u00e1c c\u00f4ng th\u1ee9c chuy\u1ec3n \u0111\u1ed5i t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt kh\u00e1c nhau.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/51-1024x682.jpg\" alt=\"\" class=\"wp-image-4517\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/51-1024x682.jpg 1024w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/51-300x200.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/51-768x512.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/51-18x12.jpg 18w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/51-600x400.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/51.jpg 1300w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div><h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-2-3-hardness-comparison-analysis-of-common-steel-materials-for-knives\">2.3 Ph\u00e2n t\u00edch so s\u00e1nh \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u th\u00e9p th\u00f4ng d\u1ee5ng l\u00e0m dao<\/h3><p>\u0110\u1ed9 c\u1ee9ng c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 th\u00e0nh ph\u1ea7n v\u00e0 c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd c\u1ee7a ch\u00fang. Th\u00f4ng th\u01b0\u1eddng, h\u1ee3p kim c\u1ee9ng (cacbua) c\u00f3 \u0111\u1ed9 c\u1ee9ng cao nh\u1ea5t, ti\u1ebfp theo l\u00e0 th\u00e9p t\u1ed1c \u0111\u1ed9 cao (HSS) v\u00e0 th\u00e9p c\u00f4ng c\u1ee5 c\u00f3 \u0111\u1ed9 c\u1ee9ng t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p h\u01a1n.<\/p><p>V\u00ed d\u1ee5, \u0111\u1ed9 c\u1ee9ng c\u1ee7a h\u1ee3p kim c\u1ee9ng th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng 90-94 HRA v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a th\u00e9p t\u1ed1c \u0111\u1ed9 cao l\u00e0 kho\u1ea3ng 62-67 HRC.<\/p><h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-2-4-relationship-between-hardness-and-knife-performance\">2.4 M\u1ed1i quan h\u1ec7 gi\u1eefa \u0111\u1ed9 c\u1ee9ng v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a dao<\/h3><p>\u0110\u1ed9 c\u1ee9ng l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t quan tr\u1ecdng c\u1ee7a v\u1eadt li\u1ec7u l\u00e0m dao, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, ch\u1ed1ng m\u1ecfi v\u00e0 hi\u1ec7u su\u1ea5t c\u1eaft c\u1ee7a dao, v.v.<\/p><ul><li><strong>Hao m\u00f2n \u0111i\u1ec7n tr\u1edf: <\/strong>\u0110\u1ed9 c\u1ee9ng cao h\u01a1n th\u01b0\u1eddng c\u00f3 ngh\u0129a l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t h\u01a1n. Dao \u00edt b\u1ecb m\u00f2n h\u01a1n trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh, t\u1eeb \u0111\u00f3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a dao.<\/li>\n\n<li><strong>Khang m\u00ea\u0323t mo\u0309i: <\/strong>\u0110\u1ed9 c\u1ee9ng ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi c\u1ee7a dao, gi\u00fap dao \u00edt b\u1ecb g\u00e3y v\u00e0 bi\u1ebfn d\u1ea1ng khi ho\u1ea1t \u0111\u1ed9ng k\u00e9o d\u00e0i.<\/li>\n\n<li><strong>Hi\u1ec7u su\u1ea5t c\u1eaft: <\/strong>C\u00f3 s\u1ef1 c\u00e2n b\u1eb1ng nh\u1ea5t \u0111\u1ecbnh gi\u1eefa hi\u1ec7u su\u1ea5t c\u1eaft c\u1ee7a dao v\u00e0 \u0111\u1ed9 c\u1ee9ng. \u0110\u1ed9 c\u1ee9ng qu\u00e1 cao c\u00f3 th\u1ec3 khi\u1ebfn l\u01b0\u1ee1i c\u1eaft d\u1ec5 b\u1ecb g\u00e3y, trong khi \u0111\u1ed9 c\u1ee9ng kh\u00f4ng \u0111\u1ee7 c\u00f3 th\u1ec3 khi\u1ebfn l\u01b0\u1ee1i c\u1eaft d\u1ec5 b\u1ecb m\u00f2n. V\u00ec v\u1eady, vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u1ed9 c\u1ee9ng th\u00edch h\u1ee3p l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t c\u1eaft t\u1ed1t c\u1ee7a dao.<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"512\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/11.jpg\" alt=\"\" class=\"wp-image-4519\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/11.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/11-300x200.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/11-18x12.jpg 18w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/11-600x400.jpg 600w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure><\/div><h2 class=\"wp-block-heading has-medium-font-size\" id=\"h-3-metallographic-analysis\">3. Ph\u00e2n t\u00edch \u0111\u1ecba h\u00ecnh 1TP1<\/h2><p>Ph\u00e2n t\u00edch Metallographic l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p quan tr\u1ecdng \u0111\u1ec3 hi\u1ec3u c\u01a1 c\u1ea5u t\u1ed5 ch\u1ee9c v\u00e0 t\u00ednh ch\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u l\u00e0m dao. B\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch c\u1ea5u tr\u00fac kim lo\u1ea1i, vi\u1ec7c l\u1ef1a ch\u1ecdn v\u00e0 x\u1eed l\u00fd v\u1eadt li\u1ec7u l\u00e0m dao c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a, \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a dao.<\/p><h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-3-1-definition\">3.1 \u0110\u1ecbnh ngh\u0129a<\/h3><p>Metallographic ph\u00e2n t\u00edch quan s\u00e1t c\u1ea5u tr\u00fac hi\u1ec3n vi c\u1ee7a v\u1eadt li\u1ec7u dao th\u00f4ng qua k\u00ednh hi\u1ec3n vi kim lo\u1ea1i. B\u1eb1ng c\u00e1ch ph\u00f3ng \u0111\u1ea1i c\u1ea5u tr\u00fac hi\u1ec3n vi c\u1ee7a v\u1eadt li\u1ec7u, c\u00f3 th\u1ec3 quan s\u00e1t \u0111\u01b0\u1ee3c h\u00ecnh d\u1ea1ng, k\u00edch th\u01b0\u1edbc, s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a h\u1ea1t c\u0169ng nh\u01b0 h\u00e0m l\u01b0\u1ee3ng v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a c\u00e1c pha kh\u00e1c nhau \u0111\u1ec3 hi\u1ec3u c\u00e1c lo\u1ea1i v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a v\u1eadt li\u1ec7u.<\/p><h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-3-2-significance-and-applications-of-metallographic-analysis\">3.2 \u00dd ngh\u0129a v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ph\u00e2n t\u00edch Metallographic<\/h3><p>Ph\u00e2n t\u00edch Metallographic c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng v\u00e0 \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i:<\/p><ul><li><strong>Hi\u1ec3u bi\u1ebft v\u1ec1 ki\u1ec3u t\u1ed5 ch\u1ee9c v\u1eadt ch\u1ea5t:<\/strong> Ph\u00e2n t\u00edch Metallographic c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac h\u1ea1t v\u00e0 th\u00e0nh ph\u1ea7n pha c\u1ee7a v\u1eadt li\u1ec7u l\u00e0m dao, bao g\u1ed3m austenite, ferrite, cacbua, v.v., \u0111\u1ec3 hi\u1ec3u c\u00e1c lo\u1ea1i t\u1ed5 ch\u1ee9c c\u01a1 b\u1ea3n v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a v\u1eadt li\u1ec7u.<\/li>\n\n<li><strong>\u0110\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd: <\/strong>Ph\u00e2n t\u00edch Metallographic c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd \u0111\u1ebfn c\u01a1 c\u1ea5u t\u1ed5 ch\u1ee9c c\u1ee7a v\u1eadt li\u1ec7u l\u00e0m dao, \u0111\u00e1nh gi\u00e1 t\u00ednh h\u1ee3p l\u00fd c\u1ee7a c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd v\u00e0 t\u1ed1i \u01b0u h\u00f3a \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u su\u1ea5t x\u1eed l\u00fd c\u1ee7a dao.<\/li>\n\n<li><strong>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ph\u00e2n t\u00edch khuy\u1ebft t\u1eadt: <\/strong>Ph\u00e2n t\u00edch Metallographic c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c khuy\u1ebft t\u1eadt v\u00e0 s\u1ef1 kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t trong v\u1eadt li\u1ec7u l\u00e0m dao, gi\u00fap gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a s\u1ea3n ph\u1ea9m.<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"512\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/61-1.jpg\" alt=\"\" class=\"wp-image-4518\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/61-1.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/61-1-300x200.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/61-1-18x12.jpg 18w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/61-1-600x400.jpg 600w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure><\/div><h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-3-3-tools-used-for-metallographic-analysis\">3.3 C\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n t\u00edch Metallographic<\/h3><p>Ph\u00e2n t\u00edch Metallographic th\u01b0\u1eddng s\u1eed d\u1ee5ng k\u00ednh hi\u1ec3n vi kim lo\u1ea1i v\u00e0 thi\u1ebft b\u1ecb chu\u1ea9n b\u1ecb m\u1eabu t\u01b0\u01a1ng \u1ee9ng.<\/p><ul><li><strong>K\u00ednh hi\u1ec3n vi Metallographic:<\/strong> K\u00ednh hi\u1ec3n vi kim lo\u1ea1i l\u00e0 lo\u1ea1i k\u00ednh hi\u1ec3n vi \u0111\u1eb7c bi\u1ec7t c\u00f3 \u0111\u1ed9 ph\u00f3ng \u0111\u1ea1i cao v\u00e0 \u0111\u1ed9 ph\u00e2n gi\u1ea3i tuy\u1ec7t v\u1eddi, c\u00f3 th\u1ec3 quan s\u00e1t c\u1ea5u tr\u00fac hi\u1ec3n vi c\u1ee7a v\u1eadt li\u1ec7u. Th\u00f4ng qua k\u00ednh hi\u1ec3n vi kim lo\u1ea1i, c\u00f3 th\u1ec3 quan s\u00e1t \u0111\u01b0\u1ee3c h\u00ecnh th\u00e1i, k\u00edch th\u01b0\u1edbc v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a h\u1ea1t c\u0169ng nh\u01b0 h\u00e0m l\u01b0\u1ee3ng v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a c\u00e1c pha kh\u00e1c nhau.<\/li>\n\n<li><strong>Thi\u1ebft b\u1ecb chu\u1ea9n b\u1ecb m\u1eabu: <\/strong>Trong qu\u00e1 tr\u00ecnh ph\u00e2n t\u00edch kim lo\u1ea1i, v\u1eadt li\u1ec7u dao c\u1ea7n \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb th\u00e0nh m\u1eabu, th\u01b0\u1eddng bao g\u1ed3m c\u1eaft, m\u00e0i, \u0103n m\u00f2n, v.v., \u0111\u1ec3 quan s\u00e1t c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a v\u1eadt li\u1ec7u. C\u00e1c thi\u1ebft b\u1ecb chu\u1ea9n b\u1ecb m\u1eabu ph\u1ed5 bi\u1ebfn bao g\u1ed3m m\u00e1y c\u1eaft m\u1eabu kim lo\u1ea1i, m\u00e1y m\u00e0i b\u00e1nh m\u00e0i, b\u1ec3 ch\u1ed1ng \u0103n m\u00f2n, v.v.<\/li><\/ul><h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-3-4-interpretation-of-metallographic-analysis-results-of-common-steel-materials-for-knives\">3.4 Gi\u1ea3i th\u00edch k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch Metallographic c\u1ee7a v\u1eadt li\u1ec7u th\u00e9p ph\u1ed5 bi\u1ebfn d\u00f9ng l\u00e0m dao<\/h3><p>Ph\u00e2n t\u00edch \u0111\u1ed3 h\u1ecda Metallographic cung c\u1ea5p th\u00f4ng tin v\u1ec1 c\u1ea5u tr\u00fac hi\u1ec3n vi c\u1ee7a v\u1eadt li\u1ec7u th\u00e9p l\u00e0m dao th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, ch\u1eb3ng h\u1ea1n nh\u01b0 k\u00edch th\u01b0\u1edbc h\u1ea1t, h\u00ecnh th\u00e1i, h\u00e0m l\u01b0\u1ee3ng pha v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1. C\u00e1c v\u1eadt li\u1ec7u th\u00e9p c\u00f4ng c\u1ee5 kh\u00e1c nhau c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m c\u1ea5u tr\u00fac kim lo\u1ea1i kh\u00e1c nhau, b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u v\u00e0 quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t.<\/p><p>V\u00ed d\u1ee5, th\u00e9p t\u1ed1c \u0111\u1ed9 cao (HSS) th\u01b0\u1eddng c\u00f3 c\u00e1c h\u1ea1t austenite m\u1ecbn v\u00e0 c\u00e1c pha cacbua ph\u00e2n t\u00e1n, trong khi h\u1ee3p kim c\u1ee9ng (cacbua) ch\u1ee7 y\u1ebfu bao g\u1ed3m c\u00e1c h\u1ea1t cacbua ph\u00e2n b\u1ed1 \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 pha k\u1ebft d\u00ednh.<\/p><h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-3-5-relationship-between-metallographic-structure-and-knife-performance\">3.5 M\u1ed1i quan h\u1ec7 gi\u1eefa c\u1ea5u tr\u00fac Metallographic v\u00e0 hi\u1ec7u su\u1ea5t dao<\/h3><p>C\u1ea5u tr\u00fac kim lo\u1ea1i c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a dao, v\u1edbi c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 h\u00e0m l\u01b0\u1ee3ng pha l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a dao.<\/p><ul><li><strong>K\u00edch th\u01b0\u1edbc h\u1ea1t: <\/strong>C\u00e1c h\u1ea1t m\u1ecbn h\u01a1n th\u01b0\u1eddng cho th\u1ea5y \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u cao h\u01a1n, \u0111\u1ed3ng th\u1eddi c\u00f3 \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi t\u1ed1t, c\u00f3 l\u1ee3i cho vi\u1ec7c c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 hi\u1ec7u su\u1ea5t c\u1eaft c\u1ee7a dao.<\/li>\n\n<li><strong>N\u1ed9i dung giai \u0111o\u1ea1n: <\/strong>C\u00e1c pha kh\u00e1c nhau c\u1ee7a dao c\u0169ng c\u00f3 \u1ea3nh h\u01b0\u1edfng quan tr\u1ecdng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a dao. V\u00ed d\u1ee5, h\u00e0m l\u01b0\u1ee3ng pha cacbua th\u00edch h\u1ee3p c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a dao, nh\u01b0ng h\u00e0m l\u01b0\u1ee3ng cacbua qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 gi\u00f2n c\u1ee7a dao, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a dao.<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"468\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/\u9ad8\u901f\u94a2\u91d1\u76f8.jpg\" alt=\"\" class=\"wp-image-4521\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/\u9ad8\u901f\u94a2\u91d1\u76f8.jpg 640w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/\u9ad8\u901f\u94a2\u91d1\u76f8-300x219.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/\u9ad8\u901f\u94a2\u91d1\u76f8-16x12.jpg 16w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/\u9ad8\u901f\u94a2\u91d1\u76f8-600x439.jpg 600w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure><\/div><h2 class=\"wp-block-heading has-medium-font-size\" id=\"h-4-case-analysis-and-case-sharing\">4. Ph\u00e2n t\u00edch tr\u01b0\u1eddng h\u1ee3p v\u00e0 chia s\u1ebb tr\u01b0\u1eddng h\u1ee3p<\/h2><p>\u0110\u1ec3 hi\u1ec3u s\u00e2u s\u1eafc c\u00e1c \u0111\u1eb7c t\u00ednh hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u th\u00e9p c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn kh\u00e1c nhau, ch\u00fang t\u00f4i \u0111\u00e3 ch\u1ecdn m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u th\u00e9p c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn \u0111\u1ec3 ph\u00e2n t\u00edch \u0111\u1ed9 c\u1ee9ng v\u00e0 kim lo\u1ea1i, \u0111\u1ed3ng th\u1eddi di\u1ec5n gi\u1ea3i k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch.<\/p><h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-4-1-high-speed-steel-hss\">4.1 Th\u00e9p t\u1ed1c \u0111\u1ed9 cao (HSS):<\/h3><ul><li><strong>Ph\u00e2n t\u00edch \u0111\u1ed9 c\u1ee9ng: <\/strong>Theo th\u1eed nghi\u1ec7m \u0111\u1ed9 c\u1ee9ng Rockwell, \u0111\u1ed9 c\u1ee9ng c\u1ee7a HSS v\u00e0o kho\u1ea3ng 62-67 HRC.<\/li>\n\n<li>Metallographic ph\u00e2n t\u00edch: Qua quan s\u00e1t b\u1eb1ng k\u00ednh hi\u1ec3n vi kim lo\u1ea1i, c\u1ea5u tr\u00fac c\u1ee7a HSS th\u01b0\u1eddng bao g\u1ed3m c\u00e1c h\u1ea1t austenite m\u1ecbn v\u00e0 c\u00e1c pha cacbua ph\u00e2n t\u00e1n.<\/li><\/ul><h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-4-2-hard-alloy-carbide\">4.2 H\u1ee3p kim c\u1ee9ng (cacbua):<\/h3><ul><li><strong>Ph\u00e2n t\u00edch \u0111\u1ed9 c\u1ee9ng: <\/strong>\u0110\u1ed9 c\u1ee9ng c\u1ee7a h\u1ee3p kim c\u1ee9ng th\u01b0\u1eddng \u0111\u1ea1t 90-94 HRA.<\/li>\n\n<li><strong>Ph\u00e2n t\u00edch \u0111\u1ecba h\u00ecnh 1TP1:<\/strong> C\u1ea5u tr\u00fac kim lo\u1ea1i c\u1ee7a h\u1ee3p kim c\u1ee9ng ch\u1ee7 y\u1ebfu bao g\u1ed3m c\u00e1c h\u1ea1t cacbua ph\u00e2n b\u1ed1 \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 pha k\u1ebft d\u00ednh.<\/li><\/ul><h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-4-3-tool-steel\">4.3 Th\u00e9p d\u1ee5ng c\u1ee5:<\/h3><ul><li><strong>Ph\u00e2n t\u00edch \u0111\u1ed9 c\u1ee9ng: <\/strong>\u0110\u1ed9 c\u1ee9ng c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 thay \u0111\u1ed5i t\u00f9y theo th\u00e0nh ph\u1ea7n c\u1ee5 th\u1ec3 nh\u01b0ng nh\u00ecn chung th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi h\u1ee3p kim c\u1ee9ng.<\/li>\n\n<li><strong>Ph\u00e2n t\u00edch \u0111\u1ecba h\u00ecnh 1TP1: <\/strong>C\u1ea5u tr\u00fac kim lo\u1ea1i c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 ph\u1ee9c t\u1ea1p h\u01a1n, th\u01b0\u1eddng bao g\u1ed3m austenite, ferrite, v.v.<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"470\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/\u5de5\u5177\u94a2\u91d1\u76f8.jpg\" alt=\"\" class=\"wp-image-4522\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/\u5de5\u5177\u94a2\u91d1\u76f8.jpg 700w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/\u5de5\u5177\u94a2\u91d1\u76f8-300x201.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/\u5de5\u5177\u94a2\u91d1\u76f8-18x12.jpg 18w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/\u5de5\u5177\u94a2\u91d1\u76f8-600x403.jpg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure><\/div><h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-4-4-case-sharing\">4.4 Chia s\u1ebb tr\u01b0\u1eddng h\u1ee3p<\/h3><p>Trong c\u00e1c \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt th\u1ef1c t\u1ebf, vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c l\u1ef1a ch\u1ecdn v\u00e0 x\u1eed l\u00fd v\u1eadt li\u1ec7u dao th\u00f4ng qua ph\u00e2n t\u00edch \u0111\u1ed9 c\u1ee9ng v\u00e0 kim lo\u1ea1i c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a dao.<\/p><p>V\u00ed d\u1ee5, trong m\u1ed9t nh\u00e0 m\u00e1y gia c\u00f4ng c\u01a1 kh\u00ed, h\u1ecd ph\u00e1t hi\u1ec7n ra r\u1eb1ng dao l\u00e0m b\u1eb1ng th\u00e9p l\u00e0m dao th\u00f4ng th\u01b0\u1eddng d\u1ec5 b\u1ecb m\u00f2n v\u00e0 g\u00e3y khi gia c\u00f4ng v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 c\u1ee9ng cao, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m. Th\u00f4ng qua \u0111\u1ed9 c\u1ee9ng v\u00e0 ph\u00e2n t\u00edch kim lo\u1ea1i, h\u1ecd nh\u1eadn th\u1ea5y h\u1ee3p kim c\u1ee9ng c\u00f3 \u0111\u1ed9 c\u1ee9ng cao h\u01a1n v\u00e0 c\u1ea5u tr\u00fac kim lo\u1ea1i \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n, th\u00edch h\u1ee3p \u0111\u1ec3 c\u1eaft c\u00e1c v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 c\u1ee9ng cao. Do \u0111\u00f3, h\u1ecd quy\u1ebft \u0111\u1ecbnh s\u1eed d\u1ee5ng h\u1ee3p kim c\u1ee9ng l\u00e0m v\u1eadt li\u1ec7u l\u00e0m dao v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd, bao g\u1ed3m thi\u1ebft k\u1ebf h\u00ecnh d\u1ea1ng dao, l\u1edbp ph\u1ee7 dao, v.v. Sau khi c\u1ea3i ti\u1ebfn, tu\u1ed5i th\u1ecd c\u1ee7a dao \u0111\u01b0\u1ee3c k\u00e9o d\u00e0i \u0111\u00e1ng k\u1ec3 v\u00e0 hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/p><p>Qua c\u00e1c tr\u01b0\u1eddng h\u1ee3p tr\u00ean, ch\u00fang ta c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c l\u1ef1a ch\u1ecdn v\u00e0 x\u1eed l\u00fd v\u1eadt li\u1ec7u dao th\u00f4ng qua ph\u00e2n t\u00edch \u0111\u1ed9 c\u1ee9ng v\u00e0 kim lo\u1ea1i c\u00f3 \u00fd ngh\u0129a r\u1ea5t l\u1edbn trong vi\u1ec7c c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a dao, gi\u1ea3i quy\u1ebft hi\u1ec7u qu\u1ea3 c\u00e1c v\u1ea5n \u0111\u1ec1 g\u1eb7p ph\u1ea3i trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t, \u0111\u1ed3ng th\u1eddi n\u00e2ng cao hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"https:\/\/maxtormetal.com\/vi\/san-pham\/vegetable-shredding-blades\/\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/11\/Vegetable-Shredding-Blades-main-1.jpg\" alt=\"\" class=\"wp-image-4205\" srcset=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/11\/Vegetable-Shredding-Blades-main-1.jpg 800w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/11\/Vegetable-Shredding-Blades-main-1-300x300.jpg 300w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/11\/Vegetable-Shredding-Blades-main-1-150x150.jpg 150w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/11\/Vegetable-Shredding-Blades-main-1-768x768.jpg 768w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/11\/Vegetable-Shredding-Blades-main-1-12x12.jpg 12w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/11\/Vegetable-Shredding-Blades-main-1-600x600.jpg 600w, https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/11\/Vegetable-Shredding-Blades-main-1-100x100.jpg 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure><\/div><h2 class=\"wp-block-heading has-medium-font-size\" id=\"h-5-conclusion\">5. K\u1ebft lu\u1eadn<\/h2><p>Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i \u0111\u00e3 \u0111i s\u00e2u v\u00e0o ph\u00e2n t\u00edch \u0111\u1ed9 c\u1ee9ng v\u00e0 kim lo\u1ea1i c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u th\u00e9p l\u00e0m dao th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 \u0111\u01b0a ra l\u1eddi gi\u1ea3i th\u00edch to\u00e0n di\u1ec7n v\u1ec1 t\u1ea7m quan tr\u1ecdng c\u1ee7a ch\u00fang.<\/p><p>Ph\u00e2n t\u00edch \u0111\u1ed9 c\u1ee9ng v\u00e0 kim lo\u1ea1i l\u00e0 ph\u01b0\u01a1ng ti\u1ec7n quan tr\u1ecdng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u l\u00e0m dao. Ph\u00e2n t\u00edch \u0111\u1ed9 c\u1ee9ng c\u00f3 th\u1ec3 ph\u1ea3n \u00e1nh kh\u00e1ch quan kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i c\u00e1c l\u1ef1c b\u00ean ngo\u00e0i c\u1ee7a v\u1eadt li\u1ec7u, trong khi ph\u00e2n t\u00edch kim lo\u1ea1i cho th\u1ea5y c\u1ea5u tr\u00fac vi m\u00f4 c\u1ee7a v\u1eadt li\u1ec7u, t\u1eeb \u0111\u00f3 hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3. Th\u00f4ng qua hai ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch n\u00e0y, ch\u00fang ta c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 to\u00e0n di\u1ec7n \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a v\u1eadt li\u1ec7u l\u00e0m dao, cung c\u1ea5p nh\u1eefng t\u00e0i li\u1ec7u tham kh\u1ea3o quan tr\u1ecdng cho vi\u1ec7c l\u1ef1a ch\u1ecdn, thi\u1ebft k\u1ebf v\u00e0 \u1ee9ng d\u1ee5ng v\u1eadt li\u1ec7u l\u00e0m dao.<\/p><p>Vi\u1ec7c ch\u1ecdn v\u1eadt li\u1ec7u l\u00e0m dao ph\u00f9 h\u1ee3p c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a dao. C\u00e1c v\u1eadt li\u1ec7u l\u00e0m dao kh\u00e1c nhau c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00e1c nhau nh\u01b0 \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 d\u1ebbo dai, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, v.v., ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng x\u1eed l\u00fd v\u00e0 v\u1eadt li\u1ec7u ph\u00f4i kh\u00e1c nhau. Do \u0111\u00f3, khi l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u l\u00e0m dao, c\u1ea7n xem x\u00e9t to\u00e0n di\u1ec7n c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 y\u00eau c\u1ea7u gia c\u00f4ng, \u0111\u1eb7c t\u00ednh ph\u00f4i v\u00e0 t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o dao c\u00f3 hi\u1ec7u su\u1ea5t x\u1eed l\u00fd t\u1ed1t v\u00e0 s\u1eed d\u1ee5ng \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i.<\/p><p>V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n kh\u00f4ng ng\u1eebng c\u1ee7a khoa h\u1ecdc c\u00f4ng ngh\u1ec7, c\u00f4ng ngh\u1ec7 ph\u00e2n t\u00edch v\u1eadt li\u1ec7u dao c\u0169ng kh\u00f4ng ng\u1eebng \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn. Trong t\u01b0\u01a1ng lai, ch\u00fang ta c\u00f3 th\u1ec3 mong \u0111\u1ee3i nh\u1eefng xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n sau:<\/p><p>Ph\u00e1t tri\u1ec3n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch \u0111a chi\u1ec1u: V\u1edbi s\u1ef1 ti\u1ebfn b\u1ed9 c\u1ee7a khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 v\u1eadt li\u1ec7u, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch \u0111a chi\u1ec1u s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i h\u01a1n, bao g\u1ed3m ki\u1ec3m tra t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc, ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, quan s\u00e1t h\u00ecnh th\u00e1i b\u1ec1 m\u1eb7t, v.v., \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 to\u00e0n di\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u dao.<\/p><ul><li><strong>\u1ee8ng d\u1ee5ng c\u00f4ng ngh\u1ec7 ph\u00e2n t\u00edch th\u00f4ng minh: <\/strong>V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o v\u00e0 c\u00f4ng ngh\u1ec7 d\u1eef li\u1ec7u l\u1edbn, c\u00f4ng ngh\u1ec7 ph\u00e2n t\u00edch th\u00f4ng minh s\u1ebd d\u1ea7n \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng v\u00e0o l\u0129nh v\u1ef1c ph\u00e2n t\u00edch v\u1eadt li\u1ec7u dao, n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c ph\u00e2n t\u00edch, \u0111\u1ed3ng th\u1eddi cung c\u1ea5p h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt \u0111\u00e1ng tin c\u1eady h\u01a1n cho vi\u1ec7c thi\u1ebft k\u1ebf v\u00e0 x\u1eed l\u00fd t\u1ed1i \u01b0u h\u00f3a v\u1eadt li\u1ec7u dao.<\/li>\n\n<li><strong>Th\u1ef1c hi\u1ec7n thi\u1ebft k\u1ebf v\u1eadt li\u1ec7u t\u00f9y ch\u1ec9nh:<\/strong> D\u1ef1a tr\u00ean c\u00f4ng ngh\u1ec7 t\u00ednh to\u00e1n v\u00e0 m\u00f4 ph\u1ecfng v\u1eadt li\u1ec7u ti\u00ean ti\u1ebfn, nhi\u1ec1u thi\u1ebft k\u1ebf v\u1eadt li\u1ec7u dao t\u00f9y ch\u1ec9nh h\u01a1n s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec7n th\u1ef1c h\u00f3a trong t\u01b0\u01a1ng lai, thi\u1ebft k\u1ebf v\u1eadt li\u1ec7u dao ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3 theo y\u00eau c\u1ea7u x\u1eed l\u00fd c\u1ee5 th\u1ec3 v\u00e0 \u0111\u1eb7c t\u00ednh ph\u00f4i, c\u1ea3i thi\u1ec7n h\u01a1n n\u1eefa hi\u1ec7u su\u1ea5t dao v\u00e0 hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd.<\/li><\/ul><p>S\u1ef1 ph\u00e1t tri\u1ec3n v\u00e0 c\u1ea3i ti\u1ebfn kh\u00f4ng ng\u1eebng c\u1ee7a c\u00f4ng ngh\u1ec7 ph\u00e2n t\u00edch v\u1eadt li\u1ec7u l\u00e0m dao s\u1ebd mang \u0111\u1ebfn nh\u1eefng c\u01a1 h\u1ed9i v\u00e0 th\u00e1ch th\u1ee9c m\u1edbi cho ng\u00e0nh s\u1ea3n xu\u1ea5t dao, th\u00fac \u0111\u1ea9y s\u1ef1 \u0111\u1ed5i m\u1edbi v\u00e0 \u1ee9ng d\u1ee5ng v\u1eadt li\u1ec7u l\u00e0m dao, \u0111\u1ed3ng th\u1eddi th\u00fac \u0111\u1ea9y s\u1ef1 ti\u1ebfn b\u1ed9 v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p.<\/p><h2 class=\"wp-block-heading has-medium-font-size\" id=\"h-6-about-metal-industrial\">6.\u00a0<a href=\"https:\/\/maxtormetal.com\/vi\/about\/\" target=\"_blank\" rel=\"noreferrer noopener\">Gi\u1edbi thi\u1ec7u v\u1ec1 METAL c\u00f4ng nghi\u1ec7p<\/a><\/h2><p><strong><a href=\"https:\/\/maxtormetal.com\/vi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Nanjing Metal Industrial CO.,\u00a0Limited<\/a>\u00a0T\u00f4i<\/strong>nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ee7a<strong><a href=\"https:\/\/maxtormetal.com\/vi\/products\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u00a0l\u01b0\u1ee1i c\u01a1 kh\u00ed\u00a0<\/a><\/strong>t\u1eeb Trung Qu\u1ed1c, s\u1ea3n xu\u1ea5t l\u01b0\u1ee1i dao v\u00e0 ph\u1ee5 ki\u1ec7n cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p bao g\u1ed3m gia c\u00f4ng kim lo\u1ea1i, chuy\u1ec3n \u0111\u1ed5i, th\u1ef1c ph\u1ea9m, v.v. Ch\u00fang t\u00f4i c\u00f3 h\u01a1n 15 n\u0103m kinh nghi\u1ec7m trong vi\u1ec7c s\u1ea3n xu\u1ea5t v\u00e0 kinh doanh l\u01b0\u1ee1i m\u00e1y c\u00f4ng nghi\u1ec7p, c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y v\u00e0 d\u1ecbch v\u1ee5 m\u00e0i l\u1ea1i. Ch\u00fang t\u00f4i m\u1eddi b\u1ea1n tr\u1ea3i nghi\u1ec7m ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t v\u01b0\u1ee3t tr\u1ed9i<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction Mechanical blades are common tools in industrial production and daily life, and different materials of blades need to be selected in different application fields. The performance of blades is closely related to the hardness and metallographic structure of the selected materials. This article will introduce the hardness and metallographic analysis of commonly used steel [&hellip;]<\/p>","protected":false},"author":1,"featured_media":4517,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.6 (Yoast SEO v23.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hardness and Metallographic Analysis of Common Steel Materials for Mechanical Blades<\/title>\n<meta name=\"description\" content=\"Explore the hardness and metallographic analysis of common steel materials for mechanical blades, enhancing performance and selection.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/maxtormetal.com\/vi\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hardness and Metallographic Analysis of Common Steel Materials for Mechanical Blades\" \/>\n<meta property=\"og:description\" content=\"Explore the hardness and metallographic analysis of common steel materials for mechanical blades, enhancing performance and selection.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/maxtormetal.com\/vi\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/\" \/>\n<meta property=\"og:site_name\" content=\"Metal Industrial, Industrial Blade Manufacturer, Cutting Knives and blades, Machine Knives and blades supplier, Custom Blades solution\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/mengli.tang.3\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/mengli.tang.3\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-10T03:13:10+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-18T06:50:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/51.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1300\" \/>\n\t<meta property=\"og:image:height\" content=\"866\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Tommy\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@MengliT13570\" \/>\n<meta name=\"twitter:site\" content=\"@MengliT13570\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":[\"Article\",\"BlogPosting\"],\"@id\":\"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/\"},\"author\":{\"name\":\"Tommy\",\"@id\":\"https:\/\/maxtormetal.com\/fr\/#\/schema\/person\/94f8f44e6d04f5d162dc94aeca3da13a\"},\"headline\":\"Hardness and Metallographic Analysis of Common Steel Materials for Mechanical Blades\",\"datePublished\":\"2024-04-10T03:13:10+00:00\",\"dateModified\":\"2025-06-18T06:50:32+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/\"},\"wordCount\":2197,\"commentCount\":10,\"publisher\":{\"@id\":\"https:\/\/maxtormetal.com\/fr\/#organization\"},\"image\":{\"@id\":\"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/51.jpg\",\"articleSection\":[\"Blog\"],\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/\",\"url\":\"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/\",\"name\":\"Hardness and Metallographic Analysis of Common Steel Materials for Mechanical Blades\",\"isPartOf\":{\"@id\":\"https:\/\/maxtormetal.com\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/51.jpg\",\"datePublished\":\"2024-04-10T03:13:10+00:00\",\"dateModified\":\"2025-06-18T06:50:32+00:00\",\"description\":\"Explore the hardness and metallographic analysis of common steel materials for mechanical blades, enhancing performance and selection.\",\"breadcrumb\":{\"@id\":\"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#breadcrumb\"},\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#primaryimage\",\"url\":\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/51.jpg\",\"contentUrl\":\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/51.jpg\",\"width\":1300,\"height\":866},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/maxtormetal.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Hardness and Metallographic Analysis of Common Steel Materials for Mechanical Blades\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/maxtormetal.com\/fr\/#website\",\"url\":\"https:\/\/maxtormetal.com\/fr\/\",\"name\":\"Metal Industrial, Industrial Blade Manufacturer, Cutting Knives and blades, Machine Knives and blades supplier, Custom Blades solution\",\"description\":\"Mechanical blades and knives supplier for all machines made by China\",\"publisher\":{\"@id\":\"https:\/\/maxtormetal.com\/fr\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/maxtormetal.com\/fr\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"vi\"},{\"@type\":[\"Organization\",\"Place\"],\"@id\":\"https:\/\/maxtormetal.com\/fr\/#organization\",\"name\":\"Nanjing Metal Industrial CO., Limited\",\"alternateName\":\"Metal Industrial\",\"url\":\"https:\/\/maxtormetal.com\/fr\/\",\"logo\":{\"@id\":\"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#local-main-organization-logo\"},\"image\":{\"@id\":\"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#local-main-organization-logo\"},\"sameAs\":[\"https:\/\/www.facebook.com\/mengli.tang.3\",\"https:\/\/x.com\/MengliT13570\",\"https:\/\/www.linkedin.com\/in\/metalindustrial\/\"],\"description\":\"NanjingMetal is specialized in manufacturing and supplying industrial blades and knives, and its main business is to provide customers with customized industrial blades to meet their specific needs. With an experienced design and production team, we utilize the supply chain advantage in China to provide customers with competitive high quality industrial blades and knives.\",\"legalName\":\"Nanjing Metal Industrial CO., Limited\",\"foundingDate\":\"2006-02-18\",\"numberOfEmployees\":{\"@type\":\"QuantitativeValue\",\"minValue\":\"11\",\"maxValue\":\"50\"},\"telephone\":[],\"openingHoursSpecification\":[{\"@type\":\"OpeningHoursSpecification\",\"dayOfWeek\":[\"Monday\",\"Tuesday\",\"Wednesday\",\"Thursday\",\"Friday\",\"Saturday\",\"Sunday\"],\"opens\":\"09:00\",\"closes\":\"17:00\"}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/maxtormetal.com\/fr\/#\/schema\/person\/94f8f44e6d04f5d162dc94aeca3da13a\",\"name\":\"Tommy\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/maxtormetal.com\/fr\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/08\/cropped-logo-\u526f\u672c-\u526f\u672c-1.png\",\"contentUrl\":\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/08\/cropped-logo-\u526f\u672c-\u526f\u672c-1.png\",\"caption\":\"Tommy\"},\"description\":\"With over 13 years of experience in industrial blade manufacturing, production management, and process optimization. Whether it's customized solutions or technical support, I am committed to delivering top-tier service. If you require mechanical blade solutions and a reliable partner, I am your ideal choice. Feel free to reach out anytime\u2014let's collaborate to elevate your business to new heights.\",\"sameAs\":[\"http:\/\/maxtormetal.com\",\"https:\/\/www.facebook.com\/mengli.tang.3\",\"https:\/\/www.linkedin.com\/in\/metalindustrial\/\",\"https:\/\/www.youtube.com\/@Metal-Tommy\"],\"url\":\"https:\/\/maxtormetal.com\/vi\/author\/maxtormetal-com\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#local-main-organization-logo\",\"url\":\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/08\/cropped-cropped-logo-\u526f\u672c-\u526f\u672c-e1693303172756-1.png\",\"contentUrl\":\"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/08\/cropped-cropped-logo-\u526f\u672c-\u526f\u672c-e1693303172756-1.png\",\"width\":441,\"height\":132,\"caption\":\"Nanjing Metal Industrial CO., Limited\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Hardness and Metallographic Analysis of Common Steel Materials for Mechanical Blades","description":"Explore the hardness and metallographic analysis of common steel materials for mechanical blades, enhancing performance and selection.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/maxtormetal.com\/vi\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/","og_locale":"vi_VN","og_type":"article","og_title":"Hardness and Metallographic Analysis of Common Steel Materials for Mechanical Blades","og_description":"Explore the hardness and metallographic analysis of common steel materials for mechanical blades, enhancing performance and selection.","og_url":"https:\/\/maxtormetal.com\/vi\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/","og_site_name":"Metal Industrial, Industrial Blade Manufacturer, Cutting Knives and blades, Machine Knives and blades supplier, Custom Blades solution","article_publisher":"https:\/\/www.facebook.com\/mengli.tang.3","article_author":"https:\/\/www.facebook.com\/mengli.tang.3","article_published_time":"2024-04-10T03:13:10+00:00","article_modified_time":"2025-06-18T06:50:32+00:00","og_image":[{"width":1300,"height":866,"url":"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/51.jpg","type":"image\/jpeg"}],"author":"Tommy","twitter_card":"summary_large_image","twitter_creator":"@MengliT13570","twitter_site":"@MengliT13570","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":["Article","BlogPosting"],"@id":"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#article","isPartOf":{"@id":"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/"},"author":{"name":"Tommy","@id":"https:\/\/maxtormetal.com\/fr\/#\/schema\/person\/94f8f44e6d04f5d162dc94aeca3da13a"},"headline":"Hardness and Metallographic Analysis of Common Steel Materials for Mechanical Blades","datePublished":"2024-04-10T03:13:10+00:00","dateModified":"2025-06-18T06:50:32+00:00","mainEntityOfPage":{"@id":"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/"},"wordCount":2197,"commentCount":10,"publisher":{"@id":"https:\/\/maxtormetal.com\/fr\/#organization"},"image":{"@id":"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#primaryimage"},"thumbnailUrl":"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/51.jpg","articleSection":["Blog"],"inLanguage":"vi","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/","url":"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/","name":"Hardness and Metallographic Analysis of Common Steel Materials for Mechanical Blades","isPartOf":{"@id":"https:\/\/maxtormetal.com\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#primaryimage"},"image":{"@id":"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#primaryimage"},"thumbnailUrl":"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/51.jpg","datePublished":"2024-04-10T03:13:10+00:00","dateModified":"2025-06-18T06:50:32+00:00","description":"Explore the hardness and metallographic analysis of common steel materials for mechanical blades, enhancing performance and selection.","breadcrumb":{"@id":"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#primaryimage","url":"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/51.jpg","contentUrl":"https:\/\/maxtormetal.com\/wp-content\/uploads\/2024\/04\/51.jpg","width":1300,"height":866},{"@type":"BreadcrumbList","@id":"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/maxtormetal.com\/"},{"@type":"ListItem","position":2,"name":"Hardness and Metallographic Analysis of Common Steel Materials for Mechanical Blades"}]},{"@type":"WebSite","@id":"https:\/\/maxtormetal.com\/fr\/#website","url":"https:\/\/maxtormetal.com\/fr\/","name":"Metal Industrial, Industrial Blade Manufacturer, Cutting Knives and blades, Machine Knives and blades supplier, Custom Blades solution","description":"Mechanical blades and knives supplier for all machines made by China","publisher":{"@id":"https:\/\/maxtormetal.com\/fr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/maxtormetal.com\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi"},{"@type":["Organization","Place"],"@id":"https:\/\/maxtormetal.com\/fr\/#organization","name":"Nanjing Metal Industrial CO., Limited","alternateName":"Metal Industrial","url":"https:\/\/maxtormetal.com\/fr\/","logo":{"@id":"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#local-main-organization-logo"},"image":{"@id":"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#local-main-organization-logo"},"sameAs":["https:\/\/www.facebook.com\/mengli.tang.3","https:\/\/x.com\/MengliT13570","https:\/\/www.linkedin.com\/in\/metalindustrial\/"],"description":"NanjingMetal is specialized in manufacturing and supplying industrial blades and knives, and its main business is to provide customers with customized industrial blades to meet their specific needs. With an experienced design and production team, we utilize the supply chain advantage in China to provide customers with competitive high quality industrial blades and knives.","legalName":"Nanjing Metal Industrial CO., Limited","foundingDate":"2006-02-18","numberOfEmployees":{"@type":"QuantitativeValue","minValue":"11","maxValue":"50"},"telephone":[],"openingHoursSpecification":[{"@type":"OpeningHoursSpecification","dayOfWeek":["Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"],"opens":"09:00","closes":"17:00"}]},{"@type":"Person","@id":"https:\/\/maxtormetal.com\/fr\/#\/schema\/person\/94f8f44e6d04f5d162dc94aeca3da13a","name":"Tommy","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/maxtormetal.com\/fr\/#\/schema\/person\/image\/","url":"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/08\/cropped-logo-\u526f\u672c-\u526f\u672c-1.png","contentUrl":"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/08\/cropped-logo-\u526f\u672c-\u526f\u672c-1.png","caption":"Tommy"},"description":"With over 13 years of experience in industrial blade manufacturing, production management, and process optimization. Whether it's customized solutions or technical support, I am committed to delivering top-tier service. If you require mechanical blade solutions and a reliable partner, I am your ideal choice. Feel free to reach out anytime\u2014let's collaborate to elevate your business to new heights.","sameAs":["http:\/\/maxtormetal.com","https:\/\/www.facebook.com\/mengli.tang.3","https:\/\/www.linkedin.com\/in\/metalindustrial\/","https:\/\/www.youtube.com\/@Metal-Tommy"],"url":"https:\/\/maxtormetal.com\/vi\/author\/maxtormetal-com\/"},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/maxtormetal.com\/hardness-metallographic-analysis-of-common-steel-materials-for-mechanical-blades\/#local-main-organization-logo","url":"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/08\/cropped-cropped-logo-\u526f\u672c-\u526f\u672c-e1693303172756-1.png","contentUrl":"https:\/\/maxtormetal.com\/wp-content\/uploads\/2023\/08\/cropped-cropped-logo-\u526f\u672c-\u526f\u672c-e1693303172756-1.png","width":441,"height":132,"caption":"Nanjing Metal Industrial CO., Limited"}]}},"_links":{"self":[{"href":"https:\/\/maxtormetal.com\/vi\/wp-json\/wp\/v2\/posts\/4513"}],"collection":[{"href":"https:\/\/maxtormetal.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/maxtormetal.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/maxtormetal.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/maxtormetal.com\/vi\/wp-json\/wp\/v2\/comments?post=4513"}],"version-history":[{"count":5,"href":"https:\/\/maxtormetal.com\/vi\/wp-json\/wp\/v2\/posts\/4513\/revisions"}],"predecessor-version":[{"id":6430,"href":"https:\/\/maxtormetal.com\/vi\/wp-json\/wp\/v2\/posts\/4513\/revisions\/6430"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/maxtormetal.com\/vi\/wp-json\/wp\/v2\/media\/4517"}],"wp:attachment":[{"href":"https:\/\/maxtormetal.com\/vi\/wp-json\/wp\/v2\/media?parent=4513"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/maxtormetal.com\/vi\/wp-json\/wp\/v2\/categories?post=4513"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/maxtormetal.com\/vi\/wp-json\/wp\/v2\/tags?post=4513"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}