{"id":1996,"date":"2024-12-30T03:27:41","date_gmt":"2024-12-30T03:27:41","guid":{"rendered":"https:\/\/www.retopz.com\/?p=1996"},"modified":"2025-06-24T06:28:44","modified_gmt":"2025-06-24T06:28:44","slug":"hardness-in-the-tungsten-carbide-industry-a-comprehensive-definition","status":"publish","type":"post","link":"https:\/\/www.retopz.com\/vi\/hardness-in-the-tungsten-carbide-industry-a-comprehensive-definition\/","title":{"rendered":"\u0110\u1ed9 c\u1ee9ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p cacbua vonfram: \u0110\u1ecbnh ngh\u0129a to\u00e0n di\u1ec7n"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"1996\" class=\"elementor elementor-1996\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2c750f0 e-flex e-con-boxed e-con e-parent\" data-id=\"2c750f0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b94b353 elementor-widget elementor-widget-text-editor\" data-id=\"b94b353\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"243\" data-end=\"264\"><strong>\u0110\u1ed9 c\u1ee9ng l\u00e0 g\u00ec?<\/strong><\/h2><p data-start=\"266\" data-end=\"518\"><img decoding=\"async\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/06\/What-is-Hardness.png\" \/><\/p><p data-start=\"266\" data-end=\"518\">\u0110\u1ed9 c\u1ee9ng l\u00e0 th\u01b0\u1edbc \u0111o kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n c\u1ee7a v\u1eadt li\u1ec7u, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1ebft l\u00f5m, tr\u1ea7y x\u01b0\u1edbc ho\u1eb7c c\u1eaft. Tr\u00ean th\u1ef1c t\u1ebf, n\u00f3 m\u00f4 t\u1ea3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i c\u00e1c l\u1ef1c c\u1ed1 g\u1eafng l\u00e0m m\u00f3p, tr\u1ea7y x\u01b0\u1edbc ho\u1eb7c m\u00e0i m\u00f2n c\u1ee7a v\u1eadt li\u1ec7u.<\/p><p data-start=\"520\" data-end=\"639\">\u0110\u1ed9 c\u1ee9ng kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t gi\u00e1 tr\u1ecb tuy\u1ec7t \u0111\u1ed1i duy nh\u1ea5t; n\u00f3 thay \u0111\u1ed5i t\u00f9y theo ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. C\u00e1c th\u1eed nghi\u1ec7m \u0111\u1ed9 c\u1ee9ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p><ul data-start=\"641\" data-end=\"867\"><li data-start=\"641\" data-end=\"695\"><p data-start=\"643\" data-end=\"695\">Vickers (HV) \u2013 s\u1eed d\u1ee5ng \u0111\u1ea7u \u0111o kim c\u01b0\u01a1ng h\u00ecnh ch\u00f3p<\/p><\/li><li data-start=\"696\" data-end=\"754\"><p data-start=\"698\" data-end=\"754\">Rockwell (HRA) \u2013 ph\u1ed5 bi\u1ebfn trong \u0111\u00e1nh gi\u00e1 cacbua xi m\u0103ng<\/p><\/li><li data-start=\"755\" data-end=\"800\"><p data-start=\"757\" data-end=\"800\">Brinell (HB) \u2013 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho kim lo\u1ea1i m\u1ec1m h\u01a1n<\/p><\/li><li data-start=\"801\" data-end=\"867\"><p data-start=\"803\" data-end=\"867\">Thang Mohs \u2013 thang \u0111\u1ecbnh t\u00ednh t\u1eeb 1 (talc) \u0111\u1ebfn 10 (kim c\u01b0\u01a1ng)<\/p><\/li><\/ul><p data-start=\"869\" data-end=\"983\">Cacbua vonfram th\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng c\u1ef1c k\u1ef3 cao tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c thang \u0111o n\u00e0y, th\u01b0\u1eddng \u1edf m\u1ee9c g\u1ea7n 1500\u20132000 HV ho\u1eb7c 88\u201394 HRA.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0cc5a36 elementor-widget elementor-widget-text-editor\" data-id=\"0cc5a36\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"990\" data-end=\"1020\"><strong>T\u1ea1i sao \u0111\u1ed9 c\u1ee9ng l\u1ea1i quan tr\u1ecdng?<\/strong><\/h2><p data-start=\"1022\" data-end=\"1101\"><img decoding=\"async\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/06\/Why-is-Hardness-Important.png\" \/><\/p><p data-start=\"1022\" data-end=\"1101\">Trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p v\u00e0 s\u1ea3n xu\u1ea5t, \u0111\u1ed9 c\u1ee9ng \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a d\u1ee5ng c\u1ee5:<\/p><ul data-start=\"1103\" data-end=\"1359\"><li data-start=\"1103\" data-end=\"1161\"><p data-start=\"1105\" data-end=\"1161\"><a href=\"https:\/\/www.retopz.com\/vi\/tungsten-carbide-cutting-tools\/\">C\u1eaft<\/a>, m\u00e1y khoan, <a href=\"https:\/\/www.retopz.com\/vi\/tungsten-carbide-tools-for-grinding-equipment-applications\/\">xay<\/a>ho\u1eb7c m\u00e1y m\u00f3c v\u1eadt li\u1ec7u c\u1ee9ng h\u01a1n<\/p><\/li><li data-start=\"1162\" data-end=\"1227\"><p data-start=\"1164\" data-end=\"1227\">Ch\u1ed1ng m\u00e0i m\u00f2n do m\u00e0i m\u00f2n ho\u1eb7c ti\u1ebfp x\u00fac v\u1edbi b\u1ec1 m\u1eb7t g\u1ed3 gh\u1ec1<\/p><\/li><li data-start=\"1228\" data-end=\"1285\"><p data-start=\"1230\" data-end=\"1285\">Duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 k\u00edch th\u01b0\u1edbc trong th\u1eddi gian s\u1eed d\u1ee5ng k\u00e9o d\u00e0i<\/p><\/li><li data-start=\"1286\" data-end=\"1359\"><p data-start=\"1288\" data-end=\"1359\">Ch\u1ecbu \u0111\u01b0\u1ee3c \u0111i\u1ec1u ki\u1ec7n \u00e1p su\u1ea5t cao v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao m\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng<\/p><\/li><\/ul><p data-start=\"1361\" data-end=\"1503\">V\u00ec <a href=\"https:\/\/www.retopz.com\/vi\/tungsten-carbide-cutting-tools\/\">d\u1ee5ng c\u1ee5 c\u1eaft cacbua<\/a>\u0110\u1ed9 c\u1ee9ng \u0111\u1ea3m b\u1ea3o c\u00e1c c\u1ea1nh s\u1eafc lu\u00f4n nguy\u00ean v\u1eb9n. \u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn ch\u1ecbu m\u00e0i m\u00f2n, \u0111\u1ed9 c\u1ee9ng n\u00e0y \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c gi\u1ea3m thi\u1ec3u x\u00f3i m\u00f2n b\u1ec1 m\u1eb7t v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5c8fa2c elementor-widget elementor-widget-text-editor\" data-id=\"5c8fa2c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"1510\" data-end=\"1561\"><strong>\u0110\u1ed9 c\u1ee9ng trong cacbua vonfram (cacbua xi m\u0103ng)<\/strong><\/h2><p data-start=\"1563\" data-end=\"1612\"><img decoding=\"async\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/06\/Hardness-in-Tungsten-Carbide.png\" \/><\/p><p data-start=\"1563\" data-end=\"1612\">Cacbua vonfram l\u00e0 m\u1ed9t <a href=\"https:\/\/www.retopz.com\/vi\/understanding-carbide-composition-in-the-tungsten-carbide-industry\/\">h\u1ee3p ch\u1ea5t<\/a> v\u1eadt li\u1ec7u l\u00e0m b\u1eb1ng:<\/p><ul data-start=\"1614\" data-end=\"1728\"><li data-start=\"1614\" data-end=\"1660\"><p data-start=\"1616\" data-end=\"1660\">H\u1ea1t cacbua vonfram c\u1ee9ng (WC) v\u00e0<\/p><\/li><li data-start=\"1661\" data-end=\"1728\"><p data-start=\"1663\" data-end=\"1728\">Ch\u1ea5t k\u1ebft d\u00ednh kim lo\u1ea1i, th\u01b0\u1eddng l\u00e0 coban (Co) ho\u1eb7c niken (Ni)<\/p><\/li><\/ul><p data-start=\"1730\" data-end=\"1919\">C\u00e1c h\u1ea1t WC cung c\u1ea5p \u0111\u1ed9 c\u1ee9ng c\u1ef1c cao, trong khi <a href=\"https:\/\/www.retopz.com\/vi\/binder-material-in-the-tungsten-carbide-industry-an-explanatory-overview\/\">ch\u1ea5t k\u1ebft d\u00ednh<\/a> cung c\u1ea5p <a href=\"https:\/\/www.retopz.com\/vi\/toughness-in-the-tungsten-carbide-industry-a-comprehensive-definition\/\">\u0111\u1ed9 d\u1ebbo dai<\/a>S\u1ef1 k\u1ebft h\u1ee3p n\u00e0y t\u1ea1o ra cacbua xi m\u0103ng, v\u1eeba r\u1ea5t c\u1ee9ng v\u1eeba t\u01b0\u01a1ng \u0111\u1ed1i dai\u2014l\u00fd t\u01b0\u1edfng \u0111\u1ec3 l\u00e0m d\u1ee5ng c\u1ee5.<\/p><p data-start=\"1921\" data-end=\"1945\">Ph\u1ea1m vi \u0111\u1ed9 c\u1ee9ng \u0111i\u1ec3n h\u00ecnh:<\/p><table><thead><tr><th><strong>C\u1ea5p<\/strong><\/th><th><strong>H\u00e0m l\u01b0\u1ee3ng Coban (%)<\/strong><\/th><th><strong>\u0110\u1ed9 c\u1ee9ng (HRA)<\/strong><\/th><\/tr><\/thead><tbody><tr><td>YG6<\/td><td>6%<\/td><td>~91,5 \u2013 92,5<\/td><\/tr><tr><td>YG8<\/td><td>8%<\/td><td>~89,5 \u2013 91,0<\/td><\/tr><tr><td>YG20<\/td><td>20%<\/td><td>~85,0 \u2013 87,0<\/td><\/tr><\/tbody><\/table><p>Nh\u00ecn chung, h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t k\u1ebft d\u00ednh th\u1ea5p h\u01a1n = \u0111\u1ed9 c\u1ee9ng cao h\u01a1n, nh\u01b0ng \u0111\u1ed9 d\u1ebbo dai gi\u1ea3m.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0f24392 elementor-widget elementor-widget-text-editor\" data-id=\"0f24392\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"2345\" data-end=\"2382\"><strong>Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0o \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 c\u1ee9ng c\u1ee7a cacbua?<\/strong><\/h2><p data-start=\"2384\" data-end=\"2456\"><img decoding=\"async\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/06\/What-Affects-Hardness-in-Carbide.png\" \/><\/p><p data-start=\"2384\" data-end=\"2456\">C\u00f3 m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 c\u1ee9ng cu\u1ed1i c\u00f9ng c\u1ee7a m\u1ed9t b\u1ed9 ph\u1eadn cacbua vonfram:<\/p><h4 data-start=\"2458\" data-end=\"2481\"><strong>\u25b8 <a href=\"https:\/\/www.retopz.com\/vi\/understanding-grain-size-in-tungsten-carbide-tools\/\">K\u00edch th\u01b0\u1edbc h\u1ea1t<\/a><\/strong><\/h4><p data-start=\"2482\" data-end=\"2624\">H\u1ea1t WC m\u1ecbn l\u00e0m t\u0103ng \u0111\u1ed9 c\u1ee9ng b\u1eb1ng c\u00e1ch t\u1ea1o ra c\u1ea5u tr\u00fac d\u00e0y \u0111\u1eb7c v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u. C\u00e1c c\u1ea5p \u0111\u1ed9 si\u00eau m\u1ecbn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c c\u00f4ng \u0111o\u1ea1n c\u1eaft vi m\u00f4 v\u00e0 gia c\u00f4ng ch\u00ednh x\u00e1c.<\/p><h4 data-start=\"2626\" data-end=\"2653\"><strong>\u25b8 <a href=\"https:\/\/www.retopz.com\/vi\/binder-material-in-the-tungsten-carbide-industry-an-explanatory-overview\/\">N\u1ed9i dung ch\u1ea5t k\u1ebft d\u00ednh<\/a><\/strong><\/h4><p data-start=\"2654\" data-end=\"2758\">\u00cdt coban h\u01a1n c\u00f3 ngh\u0129a l\u00e0 \u0111\u1ed9 c\u1ee9ng cao h\u01a1n, nh\u01b0ng \u0111\u1ed9 d\u1ebbo dai th\u1ea5p h\u01a1n. S\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1i \u01b0u l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi hi\u1ec7u su\u1ea5t.<\/p><h4 data-start=\"2760\" data-end=\"2790\"><strong>\u25b8 <a href=\"https:\/\/www.retopz.com\/vi\/understanding-sintering-temperature-in-the-tungsten-carbide-industry-an-explanatory-overview\/\">Thi\u00eau k\u1ebft<\/a> Ch\u1ea5t l\u01b0\u1ee3ng<\/strong><\/h4><p data-start=\"2791\" data-end=\"2886\">Qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft th\u00edch h\u1ee3p \u1edf nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 x\u1ed1p t\u1ed1i thi\u1ec3u, t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n.<\/p><h4 data-start=\"2888\" data-end=\"2917\"><strong>\u25b8 <a href=\"https:\/\/www.retopz.com\/vi\/surface-finish-in-the-tungsten-carbide-industry-an-explanatory-overview\/\">L\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t<\/a><\/strong><\/h4><p data-start=\"2918\" data-end=\"3045\">L\u1edbp ph\u1ee7 ti\u00ean ti\u1ebfn (nh\u01b0 TiAlN ho\u1eb7c l\u1edbp ph\u1ee7 kim c\u01b0\u01a1ng) gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t h\u01a1n n\u1eefa, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ee5ng c\u1ee5 c\u1eaft t\u1ed1c \u0111\u1ed9 cao.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-31861fe elementor-widget elementor-widget-text-editor\" data-id=\"31861fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"3052\" data-end=\"3095\"><strong>C\u00e1c \u1ee9ng d\u1ee5ng d\u1ef1a v\u00e0o \u0111\u1ed9 c\u1ee9ng cao<\/strong><\/h2><p data-start=\"3097\" data-end=\"3187\"><img decoding=\"async\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/06\/Applications-That-Rely-on-High-Hardness.png\" \/><\/p><p data-start=\"3097\" data-end=\"3187\">\u0110\u1ed9 c\u1ee9ng l\u00e0 m\u1ed9t \u0111\u1eb7c t\u00ednh quy\u1ebft \u0111\u1ecbnh trong nhi\u1ec1u \u1ee9ng d\u1ee5ng d\u1ee5ng c\u1ee5 cacbua vonfram, bao g\u1ed3m:<\/p><ul data-start=\"3189\" data-end=\"3456\"><li data-start=\"3189\" data-end=\"3245\"><p data-start=\"3191\" data-end=\"3245\"><a href=\"https:\/\/www.retopz.com\/vi\/custom-carbide-cutting-tools\/\">D\u1ee5ng c\u1ee5 c\u1eaft kim lo\u1ea1i<\/a> \u2013 <a href=\"https:\/\/www.retopz.com\/vi\/carbide-inserts\/\">ch\u00e8n<\/a>, <a href=\"https:\/\/www.retopz.com\/vi\/solid-carbide-end-mills\/\">m\u00e1y phay cu\u1ed1i<\/a>, m\u00e1y khoan<\/p><\/li><li data-start=\"3246\" data-end=\"3297\"><p data-start=\"3248\" data-end=\"3297\"><a href=\"https:\/\/www.retopz.com\/vi\/tungsten-carbide-tools-in-the-woodworking-industry\/\">D\u1ee5ng c\u1ee5 ch\u1ebf bi\u1ebfn g\u1ed7<\/a> \u2013 <a href=\"https:\/\/www.retopz.com\/vi\/carbide-saw-blades\/\">\u0111\u1ea7u c\u01b0a<\/a>, l\u01b0\u1ee1i b\u00e0o<\/p><\/li><li data-start=\"3298\" data-end=\"3356\"><p data-start=\"3300\" data-end=\"3356\"><a href=\"https:\/\/www.retopz.com\/vi\/tungsten-carbide-tools-in-the-mold-and-die-industry\/\">Linh ki\u1ec7n khu\u00f4n v\u00e0 khu\u00f4n d\u1eadp<\/a> \u2013 \u0111\u1ed9t, khu\u00f4n, ch\u1ed1t l\u00f5i<\/p><\/li><li data-start=\"3357\" data-end=\"3408\"><p data-start=\"3359\" data-end=\"3408\"><a href=\"https:\/\/www.retopz.com\/vi\/wear-parts-and-specialty-components\/\">C\u00e1c b\u1ed9 ph\u1eadn hao m\u00f2n<\/a> \u2013 <a href=\"https:\/\/www.retopz.com\/vi\/tungsten-carbide-nozzles\/\">v\u00f2i phun<\/a>, <a href=\"https:\/\/www.retopz.com\/vi\/tungsten-carbide-bushings\/\">\u1ed1ng l\u00f3t<\/a>, <a href=\"https:\/\/www.retopz.com\/vi\/tungsten-carbide-valve-cores-and-seats\/\">gh\u1ebf van<\/a><\/p><\/li><li data-start=\"3409\" data-end=\"3456\"><p data-start=\"3411\" data-end=\"3456\"><a href=\"https:\/\/www.retopz.com\/vi\/tungsten-carbide-tools-for-mining-and-construction\/\">C\u00f4ng c\u1ee5 khai th\u00e1c<\/a> \u2013 <a href=\"https:\/\/www.retopz.com\/vi\/tungsten-carbide-drill-bits\/\">m\u0169i khoan<\/a>, cu\u1ed1c, m\u00e1y c\u1eaft<\/p><\/li><\/ul><p data-start=\"3458\" data-end=\"3545\">Trong t\u1ea5t c\u1ea3 c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y, c\u00f4ng c\u1ee5 c\u1ee9ng h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi tu\u1ed5i th\u1ecd cao h\u01a1n v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-70ec66e elementor-widget elementor-widget-text-editor\" data-id=\"70ec66e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"3552\" data-end=\"3592\"><strong>Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng c\u1ee7a cacbua<\/strong><\/h2><p data-start=\"3594\" data-end=\"3639\"><img decoding=\"async\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/06\/Testing-Methods-for-Carbide-Hardness.png\" \/><\/p><p data-start=\"3594\" data-end=\"3639\">C\u00e1c c\u00f4ng c\u1ee5 cacbua th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng:<\/p><ul data-start=\"3641\" data-end=\"3846\"><li data-start=\"3641\" data-end=\"3712\"><p data-start=\"3643\" data-end=\"3712\">Thang \u0111o Rockwell A (HRA) \u2013 \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi v\u1eadt li\u1ec7u c\u1ee9ng<\/p><\/li><li data-start=\"3713\" data-end=\"3785\"><p data-start=\"3715\" data-end=\"3785\">Ki\u1ec3m tra Vickers (HV30 ho\u1eb7c HV50) \u2013 \u0111o k\u00edch th\u01b0\u1edbc v\u1ebft l\u00f5m ch\u00e9o<\/p><\/li><li data-start=\"3786\" data-end=\"3846\"><p data-start=\"3788\" data-end=\"3846\">Ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng vi m\u00f4 \u2013 cho l\u1edbp ph\u1ee7 v\u00e0 l\u1edbp m\u1ecfng<\/p><\/li><\/ul><p data-start=\"3848\" data-end=\"3946\">C\u00e1c m\u1eabu th\u1eed nghi\u1ec7m ph\u1ea3i c\u00f3 b\u1ec1 m\u1eb7t nh\u1eb5n, \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng v\u00e0 c\u00f3 \u0111\u1ed9 d\u00e0y \u0111\u1ee7 \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 \u0111\u00e1ng tin c\u1eady.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a33e6a elementor-widget elementor-widget-text-editor\" data-id=\"3a33e6a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"3953\" data-end=\"4003\"><strong>\u0110\u1ed9 c\u1ee9ng so v\u1edbi \u0111\u1ed9 d\u1ebbo dai \u2013 S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i kinh \u0111i\u1ec3n<\/strong><\/h2><p data-start=\"4005\" data-end=\"4085\"><img decoding=\"async\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/06\/Hardness-vs.-Toughness.png\" \/><\/p><p data-start=\"4005\" data-end=\"4085\">M\u1ed9t th\u00e1ch th\u1ee9c quan tr\u1ecdng trong k\u1ef9 thu\u1eadt v\u1eadt li\u1ec7u l\u00e0 c\u00e2n b\u1eb1ng \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 d\u1ebbo dai:<\/p><ul data-start=\"4087\" data-end=\"4215\"><li data-start=\"4087\" data-end=\"4156\"><p data-start=\"4089\" data-end=\"4156\">\u0110\u1ed9 c\u1ee9ng cao \u2192 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u01b0\u1ee3t tr\u1ed9i, nh\u01b0ng c\u00f3 nguy c\u01a1 gi\u00f2n<\/p><\/li><li data-start=\"4157\" data-end=\"4215\"><p data-start=\"4159\" data-end=\"4215\">\u0110\u1ed9 b\u1ec1n cao \u2192 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp t\u1ed1t h\u01a1n, nh\u01b0ng hao m\u00f2n nhi\u1ec1u h\u01a1n<\/p><\/li><\/ul><p data-start=\"4217\" data-end=\"4310\">\u0110\u1ed1i v\u1edbi d\u1ee5ng c\u1ee5 cacbua, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ed1i \u01b0u h\u00f3a s\u1ef1 c\u00e2n b\u1eb1ng n\u00e0y d\u1ef1a tr\u00ean \u1ee9ng d\u1ee5ng. V\u00ed d\u1ee5:<\/p><ul data-start=\"4312\" data-end=\"4474\"><li data-start=\"4312\" data-end=\"4367\"><p data-start=\"4314\" data-end=\"4367\">Ch\u00e8n c\u1eaft cho th\u00e9p y\u00eau c\u1ea7u \u0111\u1ed9 c\u1ee9ng cao<\/p><\/li><li data-start=\"4368\" data-end=\"4408\"><p data-start=\"4370\" data-end=\"4408\">Cu\u1ed1c khai th\u00e1c c\u1ea7n c\u00f3 \u0111\u1ed9 b\u1ec1n cao h\u01a1n<\/p><\/li><li data-start=\"4409\" data-end=\"4474\"><p data-start=\"4411\" data-end=\"4474\">M\u0169i khoan si\u00eau nh\u1ecf c\u1ea7n h\u1ea1t si\u00eau m\u1ecbn v\u00e0 \u0111\u1ed9 c\u1ee9ng v\u1eeba ph\u1ea3i<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4c0d802 elementor-widget elementor-widget-text-editor\" data-id=\"4c0d802\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"4481\" data-end=\"4495\"><strong>Ph\u1ea7n k\u1ebft lu\u1eadn<\/strong><\/h2><p data-start=\"4497\" data-end=\"4929\">\u0110\u1ed9 c\u1ee9ng l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a hi\u1ec7u su\u1ea5t cacbua vonfram. Cho d\u00f9 l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1eaft hay ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 cao, \u0111\u1ed9 c\u1ee9ng cao \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c d\u1ee5ng c\u1ee5 cacbua vonfram \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nh\u1eefng y\u00eau c\u1ea7u kh\u1eaft khe c\u1ee7a c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i. B\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc h\u1ea1t, t\u1ef7 l\u1ec7 ch\u1ea5t k\u1ebft d\u00ednh v\u00e0 l\u1edbp ph\u1ee7, c\u00e1c k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 c\u1ee9ng cacbua cho h\u1ea7u h\u1ebft m\u1ecdi tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng\u2014mang \u0111\u1ebfn nh\u1eefng d\u1ee5ng c\u1ee5 s\u1eafc b\u00e9n, b\u1ec1n b\u1ec9 v\u00e0 b\u1ec1n b\u1ec9.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>What is Hardness? Hardness is the measure of a material\u2019s resistance to permanent deformation, particularly indentation, scratching, or cutting. In practical terms, it describes how well a material can resist forces that attempt to dent, scratch, or wear it. Hardness is not a single absolute value; it varies based on the testing method used. Common [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6539,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1996","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-carbide-academy"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.8 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Hardness in the Tungsten Carbide Industry<\/title>\n<meta name=\"description\" content=\"Explore the concept of hardness: a material&#039;s resistance to deformation and how it impacts practical applications in industry.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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