{"id":676631,"date":"2024-08-24T10:59:33","date_gmt":"2024-08-24T09:59:33","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=676631"},"modified":"2024-08-24T10:59:33","modified_gmt":"2024-08-24T09:59:33","slug":"lam-the-nao-tinh-luyen-nhiet-cai-thien-chat-luong-kim-loai","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/lam-the-nao-tinh-luyen-nhiet-cai-thien-chat-luong-kim-loai\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o tinh luy\u1ec7n nhi\u1ec7t c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng kim lo\u1ea1i"},"content":{"rendered":"<p class=\"sidekick\">Tinh luy\u1ec7n nhi\u1ec7t c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng kim lo\u1ea1i b\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t, t\u0103ng \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai, ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p cao c\u1ea5p.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/lam_the_nao_tinh_luyen_nhiet_cai_thien_chat_luong_kim_loai.png\" alt=\"L\u00e0m th\u1ebf n\u00e0o tinh luy\u1ec7n nhi\u1ec7t c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng kim lo\u1ea1i\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>L\u00e0m Th\u1ebf N\u00e0o Tinh Luy\u1ec7n Nhi\u1ec7t C\u1ea3i Thi\u1ec7n Ch\u1ea5t L\u01b0\u1ee3ng Kim Lo\u1ea1i<\/h2>\n<p>Tinh luy\u1ec7n nhi\u1ec7t l\u00e0 m\u1ed9t quy tr\u00ecnh k\u1ef9 thu\u1eadt quan tr\u1ecdng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p luy\u1ec7n kim. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y gi\u00fap lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t v\u00e0 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng kim lo\u1ea1i, g\u00f3p ph\u1ea7n n\u00e2ng cao t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u c\u00e1ch m\u00e0 tinh luy\u1ec7n nhi\u1ec7t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u00e0 nh\u1eefng l\u1ee3i \u00edch m\u00e0 n\u00f3 mang l\u1ea1i.<\/p>\n<h2>Quy Tr\u00ecnh Tinh Luy\u1ec7n Nhi\u1ec7t<\/h2>\n<p>Quy tr\u00ecnh tinh luy\u1ec7n nhi\u1ec7t th\u01b0\u1eddng bao g\u1ed3m c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<p><u1><\/p>\n<li>Nung Kim Lo\u1ea1i: Kim lo\u1ea1i \u0111\u01b0\u1ee3c nung \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ec3 chuy\u1ec3n sang tr\u1ea1ng th\u00e1i l\u1ecfng, cho ph\u00e9p c\u00e1c t\u1ea1p ch\u1ea5t t\u00e1ch ra kh\u1ecfi kim lo\u1ea1i ch\u00ednh.<\/li>\n<li>S\u1ef1 Tinh Khi\u1ebft H\u00f3a: \u1ede giai \u0111o\u1ea1n n\u00e0y, c\u00e1c t\u1ea1p ch\u1ea5t \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf nh\u1edd c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u01a1 h\u1ecdc ho\u1eb7c h\u00f3a h\u1ecdc, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1ef1 oxi h\u00f3a ho\u1eb7c kh\u1eed.<\/li>\n<li>L\u00e0m Ngu\u1ed9i: Kim lo\u1ea1i tinh khi\u1ebft \u0111\u01b0\u1ee3c l\u00e0m ngu\u1ed9i m\u1ed9t c\u00e1ch ki\u1ec3m so\u00e1t \u0111\u1ec3 gi\u1eef nguy\u00ean c\u1ea5u tr\u00fac tinh th\u1ec3 mong mu\u1ed1n, c\u1ea3i thi\u1ec7n t\u00ednh c\u01a1 h\u1ecdc c\u1ee7a n\u00f3.<\/li>\n<p><\/u1><\/p>\n<h2>L\u1ee3i \u00cdch c\u1ee7a Tinh Luy\u1ec7n Nhi\u1ec7t<\/h2>\n<p>Tinh luy\u1ec7n nhi\u1ec7t mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch \u0111\u00e1ng k\u1ec3 cho ch\u1ea5t l\u01b0\u1ee3ng kim lo\u1ea1i:<\/p>\n<p><o1><\/p>\n<li><b>T\u0103ng \u0110\u1ed9 B\u1ec1n:<\/b> B\u1eb1ng vi\u1ec7c lo\u1ea1i b\u1ecf c\u00e1c t\u1ea1p ch\u1ea5t, kim lo\u1ea1i tr\u1edf n\u00ean \u0111\u1ed3ng nh\u1ea5t h\u01a1n, gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c.<\/li>\n<li><b>C\u1ea3i Thi\u1ec7n T\u00ednh Ch\u1ea5t H\u00f3a L\u00fd:<\/b> Kim lo\u1ea1i tinh khi\u1ebft h\u01a1n s\u1ebd c\u00f3 t\u00ednh ch\u1ea5t h\u00f3a l\u00fd \u1ed5n \u0111\u1ecbnh h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u0169ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/li>\n<li><b>Kh\u1ea3 N\u0103ng Ch\u1ed1ng \u0102n M\u00f2n:<\/b> C\u00e1c kim lo\u1ea1i tinh khi\u1ebft th\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n so v\u1edbi kim lo\u1ea1i ch\u1ee9a nhi\u1ec1u t\u1ea1p ch\u1ea5t.<\/li>\n<p><\/o1><\/p>\n<h2>V\u00ed D\u1ee5 V\u1ec1 Tinh Luy\u1ec7n Nhi\u1ec7t<\/h2>\n<p>M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 c\u1ee5 th\u1ec3 v\u1ec1 quy tr\u00ecnh tinh luy\u1ec7n nhi\u1ec7t bao g\u1ed3m:<\/p>\n<p><o1><\/p>\n<li><b>Tinh Luy\u1ec7n Gang:<\/b> Gang th\u00f4 th\u01b0\u1eddng ch\u1ee9a nhi\u1ec1u t\u1ea1p ch\u1ea5t nh\u01b0 silicon, sulfur, v\u00e0 phosphorus. C\u00e1c t\u1ea1p ch\u1ea5t n\u00e0y \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf ho\u1eb7c gi\u1ea3m b\u1edbt th\u00f4ng qua qu\u00e1 tr\u00ecnh nung v\u00e0 x\u1eed l\u00fd nhi\u1ec7t \u0111\u1eb7c bi\u1ec7t.<\/li>\n<li><b>Luy\u1ec7n Kim \u0110\u1ed3ng:<\/b> \u0110\u1ed3ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c tinh luy\u1ec7n qua ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec7n ph\u00e2n sau khi nung ch\u1ea3y, gi\u00fap lo\u1ea1i b\u1ecf c\u00e1c t\u1ea1p ch\u1ea5t nh\u01b0 k\u1ebdm v\u00e0 thi\u1ebfc.<\/li>\n<p><\/o1><\/p>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>Tinh luy\u1ec7n nhi\u1ec7t l\u00e0 m\u1ed9t quy tr\u00ecnh kh\u00f4ng th\u1ec3 thi\u1ebfu trong ng\u00e0nh luy\u1ec7n kim, gi\u00fap c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng kim lo\u1ea1i v\u00e0 m\u1edf r\u1ed9ng \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang trong c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1eddi s\u1ed1ng. Nh\u1eefng ti\u1ebfn b\u1ed9 trong c\u00f4ng ngh\u1ec7 tinh luy\u1ec7n nhi\u1ec7t kh\u00f4ng ch\u1ec9 gia t\u0103ng hi\u1ec7u su\u1ea5t m\u00e0 c\u00f2n gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng, t\u1ea1o n\u1ec1n t\u1ea3ng cho s\u1ef1 ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tinh luy\u1ec7n nhi\u1ec7t c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng kim lo\u1ea1i b\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t, t\u0103ng \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai, ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p cao c\u1ea5p.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>L\u00e0m 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