{"id":683225,"date":"2024-11-30T09:02:56","date_gmt":"2024-11-30T08:02:56","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=683225"},"modified":"2024-11-30T09:02:56","modified_gmt":"2024-11-30T08:02:56","slug":"6-loai-do-thi-lam-mat-trong-khoa-hoc-vat-lieu","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/6-loai-do-thi-lam-mat-trong-khoa-hoc-vat-lieu\/","title":{"rendered":"6 Lo\u1ea1i \u0110\u1ed3 Th\u1ecb L\u00e0m M\u00e1t Trong Khoa H\u1ecdc V\u1eadt Li\u1ec7u"},"content":{"rendered":"<p class=\"sidekick\">6 Lo\u1ea1i \u0110\u1ed3 Th\u1ecb L\u00e0m M\u00e1t Trong Khoa H\u1ecdc V\u1eadt Li\u1ec7u: T\u00ecm hi\u1ec3u c\u00e1c lo\u1ea1i \u0111\u1ed3 th\u1ecb l\u00e0m m\u00e1t v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang trong nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n v\u1eadt li\u1ec7u hi\u1ec7n \u0111\u1ea1i.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/6_loai_do_thi_lam_mat_trong_khoa_hoc_vat_lieu.png\" alt=\"6 Lo\u1ea1i \u0110\u1ed3 Th\u1ecb L\u00e0m M\u00e1t Trong Khoa H\u1ecdc V\u1eadt Li\u1ec7u\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>6 Lo\u1ea1i \u0110\u1ed3 Th\u1ecb L\u00e0m M\u00e1t Trong Khoa H\u1ecdc V\u1eadt Li\u1ec7u<\/h2>\n<p>Trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t v\u00e0 khoa h\u1ecdc v\u1eadt li\u1ec7u, vi\u1ec7c hi\u1ec3u v\u00e0 ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t c\u1ee7a v\u1eadt li\u1ec7u l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 6 lo\u1ea1i \u0111\u1ed3 th\u1ecb l\u00e0m m\u00e1t ph\u1ed5 bi\u1ebfn m\u00e0 c\u00e1c k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 khoa h\u1ecdc th\u01b0\u1eddng s\u1eed d\u1ee5ng \u0111\u1ec3 nghi\u00ean c\u1ee9u v\u00e0 t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh n\u00e0y.<\/p>\n<ul>\n<li><b>\u0110\u1ed3 th\u1ecb TTT (Temperature-Time-Transformation)<\/b><\/li>\n<p>\u0110\u1ed3 th\u1ecb TTT, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u1ed3 th\u1ecb nhi\u1ec7t \u0111\u1ed9-th\u1eddi gian-bi\u1ebfn \u0111\u1ed5i, ch\u1ec9 ra th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 v\u1eadt li\u1ec7u chuy\u1ec3n sang pha kh\u00e1c khi l\u00e0m m\u00e1t \u1edf c\u00e1c nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau. \u0110\u00e2y l\u00e0 c\u00f4ng c\u1ee5 quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c giai \u0111o\u1ea1n bi\u1ebfn \u0111\u1ed5i pha v\u00e0 th\u1eddi gian \u1ee7 t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<li><b>\u0110\u1ed3 th\u1ecb CCT (Continuous Cooling Transformation)<\/b><\/li>\n<p>\u0110\u1ed3 th\u1ecb CCT m\u00f4 t\u1ea3 qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i pha c\u1ee7a v\u1eadt li\u1ec7u trong su\u1ed1t qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t li\u00ean t\u1ee5c. Kh\u00e1c v\u1edbi \u0111\u1ed3 th\u1ecb TTT, \u0111\u1ed3 th\u1ecb CCT ch\u1ec9 ra c\u00e1ch c\u00e1c pha kh\u00e1c nhau xu\u1ea5t hi\u1ec7n \u1edf t\u1ed1c \u0111\u1ed9 l\u00e0m m\u00e1t kh\u00e1c nhau.<\/p>\n<li><b>\u0110\u1ed3 th\u1ecb Jominy<\/b><\/li>\n<p>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u khi l\u00e0m m\u00e1t t\u1eeb tr\u1ea1ng th\u00e1i austenit, \u0111\u1ed3 th\u1ecb n\u00e0y cho th\u1ea5y s\u1ef1 bi\u1ebfn \u0111\u1ed5i \u0111\u1ed9 c\u1ee9ng theo kho\u1ea3ng c\u00e1ch t\u1eeb \u0111\u1ea7u ng\u00e2m ki\u1ec3m tra. N\u00f3 gi\u00fap x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng l\u00e0m c\u1ee9ng v\u00e0 t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n<li><b>\u0110\u1ed3 th\u1ecb S-curve<\/b><\/li>\n<p>\u0110\u1ed3 th\u1ecb S-curve bi\u1ec3u th\u1ecb t\u1ed1c \u0111\u1ed9 l\u00e0m m\u00e1t theo nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u c\u1ee5 th\u1ec3. \u0110\u1ed3 th\u1ecb n\u00e0y gi\u00fap d\u1ef1 \u0111o\u00e1n nhi\u1ec7t \u0111\u1ed9 cu\u1ed1i c\u00f9ng v\u00e0 t\u1ed1c \u0111\u1ed9 l\u00e0m ngu\u1ed9i c\u1ea7n thi\u1ebft \u0111\u1ec3 tr\u00e1nh c\u00e1c pha kh\u00f4ng mong mu\u1ed1n.<\/p>\n<li><b>\u0110\u1ed3 th\u1ecb Grossmann<\/b><\/li>\n<p>\u0110\u1ed3 th\u1ecb n\u00e0y gi\u00fap \u0111\u1ecbnh l\u01b0\u1ee3ng kh\u1ea3 n\u0103ng l\u00e0m c\u1ee9ng c\u1ee7a th\u00e9p th\u00f4ng qua h\u1ec7 s\u1ed1 l\u00e0m ngu\u1ed9i. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 so s\u00e1nh hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u00e0m ngu\u1ed9i kh\u00e1c nhau.<\/p>\n<li><b>\u0110\u1ed3 th\u1ecb Hollomon-Jaffe<\/b><\/li>\n<p>\u0110\u00e2y l\u00e0 c\u00f4ng c\u1ee5 ch\u1ee7 y\u1ebfu cho c\u00e1c qu\u00e1 tr\u00ecnh nhi\u1ec7t luy\u1ec7n, cho ph\u00e9p d\u1ef1 \u0111o\u00e1n k\u1ebft qu\u1ea3 c\u1ee7a c\u00e1c \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t luy\u1ec7n kh\u00e1c nhau d\u1ef1a tr\u00ean m\u1ed9t s\u1ed1 bi\u1ebfn \u0111\u1ed5i nh\u1ea5t \u0111\u1ecbnh.<\/p>\n<\/ul>\n<p>Hi\u1ec3u v\u00e0 \u1ee9ng d\u1ee5ng c\u00e1c lo\u1ea1i \u0111\u1ed3 th\u1ecb n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t v\u00e0 nhi\u1ec7t luy\u1ec7n, m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c s\u1ea3n ph\u1ea9m t\u1ea1o ra c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u theo y\u00eau c\u1ea7u s\u1eed d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>6 Lo\u1ea1i \u0110\u1ed3 Th\u1ecb L\u00e0m M\u00e1t Trong Khoa H\u1ecdc V\u1eadt Li\u1ec7u: T\u00ecm hi\u1ec3u c\u00e1c lo\u1ea1i \u0111\u1ed3 th\u1ecb l\u00e0m m\u00e1t v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang trong nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n v\u1eadt li\u1ec7u hi\u1ec7n \u0111\u1ea1i.<\/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>6 Lo\u1ea1i \u0110\u1ed3 Th\u1ecb L\u00e0m M\u00e1t Trong Khoa H\u1ecdc V\u1eadt Li\u1ec7u<\/title>\n<meta name=\"description\" content=\"6 Lo\u1ea1i \u0110\u1ed3 Th\u1ecb L\u00e0m M\u00e1t Trong Khoa H\u1ecdc V\u1eadt Li\u1ec7u: T\u00ecm hi\u1ec3u c\u00e1c 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