{"id":5585,"date":"2026-08-24T12:10:57","date_gmt":"2026-08-24T12:10:57","guid":{"rendered":"https:\/\/www.goldprosteelballs.com\/chemical-composition-wear-toughness\/"},"modified":"2026-11-04T03:06:39","modified_gmt":"2026-11-04T03:06:39","slug":"chemical-composition-wear-toughness","status":"publish","type":"post","link":"https:\/\/www.goldprosteelballs.com\/vi\/chemical-composition-wear-toughness\/","title":{"rendered":"Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu v\u00e0 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"

Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a vi\u00ean bi nghi\u1ec1n l\u00e0 y\u1ebfu t\u1ed1 ch\u00ednh quy\u1ebft \u0111\u1ecbnh hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3. S\u1ef1 c\u00e2n b\u1eb1ng h\u1ee3p l\u00fd gi\u1eefa c\u00e1c nguy\u00ean t\u1ed1 t\u1ea1o ra v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u1ea3 hai y\u00eau c\u1ea7u kh\u1eaft khe c\u1ee7a m\u00e1y nghi\u1ec1n bi:\u00a0<\/span>s\u1ee9c ch\u1ed1ng c\u1ef1<\/span><\/strong>\u00a0\u0111\u1ed1i v\u1edbi s\u1ef1 m\u00e0i m\u00f2n v\u00e0\u00a0<\/span>kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i<\/span><\/strong>\u00a0(\u0110\u1ed9 b\u1ec1n) ch\u1ecbu \u0111\u01b0\u1ee3c va \u0111\u1eadp m\u1ea1nh m\u00e0 kh\u00f4ng b\u1ecb v\u1ee1.<\/span>.<\/span><\/p>\n

\ufffd\ufe0f C\u00e1c y\u1ebfu t\u1ed1 \u201ct\u0103ng c\u01b0\u1eddng\u201d: X\u00e2y d\u1ef1ng s\u1ee9c \u0111\u1ec1 kh\u00e1ng<\/span><\/h3>\n

C\u00e1c nguy\u00ean t\u1ed1 n\u00e0y t\u1ea1o th\u00e0nh c\u00e1c h\u1ee3p ch\u1ea5t c\u1ee9ng gi\u00fap qu\u1ea3 c\u1ea7u c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n. \u0110\u1ed9 c\u1ee9ng r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 tr\u01b0\u1ee3t v\u00e0 c\u1ecd x\u00e1t li\u00ean t\u1ee5c v\u1edbi qu\u1eb7ng v\u00e0 c\u00e1c qu\u1ea3 c\u1ea7u kh\u00e1c.<\/span><\/p>\n

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    Cacbon (C):<\/span><\/strong>\u00a0Y\u1ebfu t\u1ed1 c\u01a1 b\u1ea3n nh\u1ea5t. H\u00e0m l\u01b0\u1ee3ng carbon cao h\u01a1n d\u1eabn \u0111\u1ebfn nhi\u1ec1u h\u1ea1t cacbua c\u1ee9ng h\u01a1n, tr\u1ef1c ti\u1ebfp l\u00e0m t\u0103ng \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n. Tuy nhi\u00ean, qu\u00e1 nhi\u1ec1u carbon l\u00e0m cho v\u1eadt li\u1ec7u tr\u1edf n\u00ean gi\u00f2n v\u00e0 k\u00e9m b\u1ec1n.<\/span>.<\/span><\/p>\n<\/li>\n

  • \n

    Crom (Cr):<\/span><\/strong>\u00a0M\u1ed9t nguy\u00ean t\u1ed1 h\u1ee3p kim quan tr\u1ecdng t\u1ea1o th\u00e0nh c\u00e1c cacbua ch\u1ed1ng m\u00e0i m\u00f2n. H\u00e0m l\u01b0\u1ee3ng crom cao h\u01a1n (\u0111\u1eb7c bi\u1ec7t l\u00e0 tr\u00ean 12%) t\u1ea1o ra c\u00e1c cacbua lo\u1ea1i M7C3 mong mu\u1ed1n, l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 c\u1ee9ng. \u0110\u00e2y l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh trong c\u00e1c vi\u00ean bi c\u00f3 h\u00e0m l\u01b0\u1ee3ng crom cao.<\/span>.<\/span><\/p>\n<\/li>\n

  • \n

    C\u00e1c nguy\u00ean t\u1ed1 t\u1ea1o cacbua kh\u00e1c (Mo, V, Nb, Ti):<\/span><\/strong>\u00a0C\u00e1c nguy\u00ean t\u1ed1 nh\u01b0 molypden, vanadi, niobi v\u00e0 titan t\u1ea1o th\u00e0nh c\u00e1c h\u1ea1t cacbua c\u1ee9ng, \u1ed5n \u0111\u1ecbnh (v\u00ed d\u1ee5: cacbua lo\u1ea1i MC) gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n b\u1eb1ng c\u00e1ch t\u0103ng \u0111\u1ed9 c\u1ee9ng v\u00e0 tinh ch\u1ec9nh c\u1ea5u tr\u00fac vi m\u00f4.<\/span>.<\/span><\/p>\n<\/li>\n<\/ul>\n

    \u26d3\ufe0f C\u00e1c y\u1ebfu t\u1ed1 \u201ct\u0103ng c\u01b0\u1eddng s\u1ee9c ch\u1ecbu \u0111\u1ef1ng\u201d: X\u00e2y d\u1ef1ng kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i<\/span><\/h3>\n

    Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y gi\u00fap t\u0103ng \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a qu\u1ea3 b\u00f3ng, hay n\u00f3i c\u00e1ch kh\u00e1c, n\u00f3 gi\u00fap t\u0103ng \u0111\u1ed9 b\u1ec1n c\u1ee7a qu\u1ea3 b\u00f3ng.\u00a0<\/span>\u0111\u1ed9 b\u1ec1n<\/span><\/strong>\u00a0(\u0110\u1ed9 b\u1ec1n va \u0111\u1eadp). \u0110\u00e2y l\u00e0 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng t\u1eeb c\u00e1c va ch\u1ea1m m\u00e0 kh\u00f4ng b\u1ecb v\u1ee1. M\u1ed9t qu\u1ea3 b\u00f3ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu cao nh\u01b0ng \u0111\u1ed9 d\u1ebbo dai th\u1ea5p s\u1ebd v\u1ee1 tan khi va \u0111\u1eadp.<\/span><\/p>\n

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    • \n

      Cacbon (C) \u0111\u01b0\u1ee3c xem x\u00e9t l\u1ea1i:<\/span><\/strong>\u00a0M\u1eb7c d\u00f9 c\u1ea7n thi\u1ebft cho \u0111\u1ed9 c\u1ee9ng,\u00a0<\/span>H\u00e0m l\u01b0\u1ee3ng carbon th\u1ea5p h\u01a1n c\u00f3 l\u1ee3i tr\u1ef1c ti\u1ebfp cho \u0111\u1ed9 b\u1ec1n.<\/span><\/strong>\u00a0v\u00ec n\u00f3 t\u1ea1o ra \u00edt cacbua h\u01a1n, ph\u00e2n t\u00e1n h\u01a1n v\u00e0 ma tr\u1eadn n\u1ec1n c\u1ee9ng h\u01a1n.<\/span>.<\/span><\/p>\n<\/li>\n

    • \n

      Mangan (Mn) & Silicon (Si):<\/span><\/strong>\u00a0Mangan \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 lo\u1ea1i b\u1ecf l\u01b0u hu\u1ef3nh v\u00e0 oxy kh\u1ecfi th\u00e9p, gi\u00fap t\u0103ng \u0111\u1ed9 b\u1ec1n. Silic l\u00e0 ch\u1ea5t kh\u1eed oxy m\u1ea1nh, nh\u01b0ng n\u1ebfu d\u01b0 th\u1eeba c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u1ec1n.<\/span>.<\/span><\/p>\n<\/li>\n

    • \n

      Niken (Ni) & Molypden (Mo):<\/span><\/strong>\u00a0Niken l\u00e0m t\u0103ng \u0111\u1ed9 b\u1ec1n c\u1ee7a ma tr\u1eadn kim lo\u1ea1i v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u00f4i c\u1ee9ng. Molypden, trong khi t\u1ea1o th\u00e0nh cacbua, c\u0169ng l\u00e0m t\u0103ng \u0111\u1ed9 b\u1ec1n c\u1ee7a ma tr\u1eadn v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1ebbo dai, nh\u01b0ng h\u00e0m l\u01b0\u1ee3ng c\u1ee7a n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c c\u00e2n b\u1eb1ng \u0111\u1ec3 tr\u00e1nh t\u1ea1o ra c\u00e1c cacbua gi\u00f2n.<\/span>.<\/span><\/p>\n<\/li>\n

    • \n

      C\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm (RE):<\/span><\/strong>\u00a0Ngay c\u1ea3 v\u1edbi l\u01b0\u1ee3ng nh\u1ecf, c\u00e1c nguy\u00ean t\u1ed1 n\u00e0y c\u0169ng r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n. Ch\u00fang gi\u00fap tinh ch\u1ec9nh c\u1ea5u tr\u00fac h\u1ea1t v\u00e0 ki\u1ec3m so\u00e1t h\u00ecnh d\u1ea1ng c\u1ee7a c\u00e1c t\u1ea1p ch\u1ea5t c\u00f3 h\u1ea1i, l\u00e0m cho v\u1eadt li\u1ec7u tr\u1edf n\u00ean ch\u1eafc ch\u1eafn v\u00e0 b\u1ec1n h\u01a1n.<\/span>.<\/span><\/p>\n<\/li>\n

    • \n

      Ki\u1ec3m so\u00e1t t\u1ea1p ch\u1ea5t (P, S):<\/span><\/strong>\u00a0Ph\u1ed1t pho v\u00e0 l\u01b0u hu\u1ef3nh l\u00e0 nh\u1eefng t\u1ea1p ch\u1ea5t c\u00f3 h\u1ea1i, l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 \u0111\u1ed9 b\u1ec1n. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng cao ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd h\u00e0m l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t n\u00e0y \u1edf m\u1ee9c th\u1ea5p.<\/span>.<\/span><\/p>\n<\/li>\n<\/ul>\n

      \u2696\ufe0f S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i c\u01a1 b\u1ea3n: Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu so v\u1edbi kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i<\/span><\/h3>\n

      Trong khoa h\u1ecdc v\u1eadt li\u1ec7u, m\u1ed1i quan h\u1ec7 gi\u1eefa \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 d\u1ebbo dai th\u01b0\u1eddng l\u00e0 m\u1ed9t s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i. V\u1eadt li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a v\u1ec1 \u0111\u1ed9 c\u1ee9ng (t\u1ed1t cho kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu) ho\u1eb7c \u0111\u1ed9 d\u1ebbo dai (t\u1ed1t cho kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i), nh\u01b0ng \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u1ea3 hai c\u00f9ng m\u1ed9t l\u00fac m\u1edbi l\u00e0 m\u1ee5c ti\u00eau cu\u1ed1i c\u00f9ng.<\/span><\/p>\n

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      <\/div>\n
      <\/div>\n<\/div>\n\n\n\n\n\n\n\n
      \u01afu ti\u00ean kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu (\u0111\u1ed9 c\u1ee9ng)<\/span><\/th>\n\u01afu ti\u00ean kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i (s\u1ee9c m\u1ea1nh)<\/span><\/th>\n<\/tr>\n<\/thead>\n
      T\u0103ng h\u00e0m l\u01b0\u1ee3ng cacbon (C) v\u00e0 crom (Cr) \u0111\u1ec3 t\u1ea1o ra c\u00e1c cacbua c\u1ee9ng h\u01a1n.<\/span>.<\/span><\/td>\nGi\u1ea3m h\u00e0m l\u01b0\u1ee3ng cacbon (C) \u0111\u1ec3 t\u1ea1o ra ma tr\u1eadn n\u1ec1n c\u1ee9ng h\u01a1n.<\/span>.<\/span><\/td>\n<\/tr>\n
      Th\u00eam c\u00e1c nguy\u00ean t\u1ed1 nh\u01b0 Mo, V v\u00e0 Nb \u0111\u1ec3 t\u1ea1o ra c\u00e1c h\u1ea1t c\u1ee9ng h\u01a1n.<\/span>.<\/span><\/td>\nC\u1ea3i thi\u1ec7n c\u1ea5u tr\u00fac h\u1ea1t b\u1eb1ng c\u00e1ch th\u00eam c\u00e1c nguy\u00ean t\u1ed1 nh\u01b0 Niken v\u00e0 \u0110\u1ea5t hi\u1ebfm (RE).<\/span>.<\/span><\/td>\n<\/tr>\n
      Nh\u01b0\u1ee3c \u0111i\u1ec3m ti\u1ec1m t\u00e0ng l\u00e0 v\u1eadt li\u1ec7u s\u1ebd gi\u00f2n h\u01a1n, d\u1ec5 v\u1ee1 khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng m\u1ea1nh.<\/span><\/td>\nNh\u01b0\u1ee3c \u0111i\u1ec3m ti\u1ec1m t\u00e0ng l\u00e0 ch\u1ea5t li\u1ec7u s\u1ebd m\u1ec1m h\u01a1n m\u1ed9t ch\u00fat, d\u1eabn \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 m\u00e0i m\u00f2n cao h\u01a1n.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

      M\u1ee5c ti\u00eau c\u1ee7a thi\u1ebft k\u1ebf h\u1ee3p kim ti\u00ean ti\u1ebfn l\u00e0 t\u00ecm ra \"\u0111i\u1ec3m t\u1ed1i \u01b0u\" n\u01a1i m\u00e0 vi\u00ean bi c\u00f3 \u0111\u1ed9 c\u1ee9ng \u0111\u1ee7 \u0111\u1ec3 ch\u1ed1ng m\u00e0i m\u00f2n nh\u01b0ng \u0111\u1ed9 d\u1ebbo dai \u0111\u1ee7 \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c va \u0111\u1eadp. \u0110i\u1ec1u n\u00e0y \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00f4ng qua c\u00f4ng th\u1ee9c c\u00e2n b\u1eb1ng c\u1ea9n th\u1eadn v\u00e0 c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t b\u1ed5 sung nh\u01b0 x\u1eed l\u00fd nhi\u1ec7t.<\/span>V\u00ed d\u1ee5, c\u00e1c vi\u00ean bi \u0111\u00fac c\u00f3 h\u00e0m l\u01b0\u1ee3ng crom cao th\u01b0\u1eddng \u0111\u1ea1t \u0111\u1ed9 c\u1ee9ng HRC 58-65 v\u1edbi \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp tr\u00ean 4 J\/cm\u00b2.<\/span>Trong khi \u0111\u00f3, c\u00e1c h\u1ee3p kim chuy\u00ean d\u1ee5ng h\u01a1n c\u00f3 th\u1ec3 n\u00e2ng cao \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp l\u00ean tr\u00ean 28 J\/cm\u00b2 m\u00e0 v\u1eabn duy tr\u00ec \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng t\u1ed1t.<\/span>.<\/span><\/p>","protected":false},"excerpt":{"rendered":"

      Thi\u1ebft k\u1ebf th\u00e0nh ph\u1ea7n ph\u1ea3i k\u1ebft h\u1ee3p v\u1edbi x\u1eed l\u00fd nhi\u1ec7t, v\u00e0 h\u00e0m l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t nguy\u00ean t\u1ed1 \u0111\u01a1n l\u1ebb kh\u00f4ng th\u1ec3 hi\u1ec7n hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng cu\u1ed1i c\u00f9ng.<\/p>","protected":false},"author":1,"featured_media":6072,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-5585","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-4"],"_links":{"self":[{"href":"https:\/\/www.goldprosteelballs.com\/vi\/wp-json\/wp\/v2\/posts\/5585","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.goldprosteelballs.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.goldprosteelballs.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.goldprosteelballs.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.goldprosteelballs.com\/vi\/wp-json\/wp\/v2\/comments?post=5585"}],"version-history":[{"count":5,"href":"https:\/\/www.goldprosteelballs.com\/vi\/wp-json\/wp\/v2\/posts\/5585\/revisions"}],"predecessor-version":[{"id":6795,"href":"https:\/\/www.goldprosteelballs.com\/vi\/wp-json\/wp\/v2\/posts\/5585\/revisions\/6795"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.goldprosteelballs.com\/vi\/wp-json\/wp\/v2\/media\/6072"}],"wp:attachment":[{"href":"https:\/\/www.goldprosteelballs.com\/vi\/wp-json\/wp\/v2\/media?parent=5585"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.goldprosteelballs.com\/vi\/wp-json\/wp\/v2\/categories?post=5585"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.goldprosteelballs.com\/vi\/wp-json\/wp\/v2\/tags?post=5585"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}