{"id":673912,"date":"2024-10-30T06:37:55","date_gmt":"2024-10-30T05:37:55","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=673912"},"modified":"2024-10-30T06:37:55","modified_gmt":"2024-10-30T05:37:55","slug":"so-do-pha-dan-duong-cho-khoa-hoc-vat-lieu","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/so-do-pha-dan-duong-cho-khoa-hoc-vat-lieu\/","title":{"rendered":"S\u01a1 \u0111\u1ed3 pha d\u1eabn \u0111\u01b0\u1eddng cho khoa h\u1ecdc v\u1eadt li\u1ec7u"},"content":{"rendered":"<p class=\"sidekick\">S\u01a1 \u0111\u1ed3 pha d\u1eabn \u0111\u01b0\u1eddng cho khoa h\u1ecdc v\u1eadt li\u1ec7u: T\u00ecm hi\u1ec3u nguy\u00ean l\u00fd, \u1ee9ng d\u1ee5ng v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a s\u01a1 \u0111\u1ed3 pha trong nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n v\u1eadt li\u1ec7u m\u1edbi.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/so_do_pha_dan_duong_cho_khoa_hoc_vat_lieu.png\" alt=\"S\u01a1 \u0111\u1ed3 pha d\u1eabn \u0111\u01b0\u1eddng cho khoa h\u1ecdc v\u1eadt li\u1ec7u\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>S\u01a1 \u0110\u1ed3 Pha D\u1eabn \u0110\u01b0\u1eddng Cho Khoa H\u1ecdc V\u1eadt Li\u1ec7u<\/h2>\n<p>S\u01a1 \u0111\u1ed3 pha l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng trong khoa h\u1ecdc v\u1eadt li\u1ec7u v\u00e0 k\u1ef9 thu\u1eadt nhi\u1ec7t. N\u00f3 gi\u00fap hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1ch th\u1ee9c v\u1eadt li\u1ec7u thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i c\u0169ng nh\u01b0 c\u00e1c thu\u1ed9c t\u00ednh khi nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t thay \u0111\u1ed5i. M\u1ed9t s\u01a1 \u0111\u1ed3 pha th\u01b0\u1eddng s\u1eed d\u1ee5ng trong k\u1ef9 thu\u1eadt nhi\u1ec7t l\u00e0 s\u01a1 \u0111\u1ed3 pha h\u1ec7 hai c\u1ea5u t\u1eed, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u1ec7 s\u1eaft-cacbon ho\u1eb7c h\u1ec7 \u0111\u1ed3ng-k\u1ebdm.<\/p>\n<h2>S\u01a1 \u0110\u1ed3 Pha L\u00e0 G\u00ec?<\/h2>\n<p>S\u01a1 \u0111\u1ed3 pha l\u00e0 m\u1ed9t bi\u1ec3u \u0111\u1ed3 \u0111\u1ed3 th\u1ecb m\u00f4 t\u1ea3 c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00e0 t\u1ea1i \u0111\u00f3 c\u00e1c pha c\u1ee7a v\u1eadt li\u1ec7u (r\u1eafn, l\u1ecfng, kh\u00ed) s\u1ebd t\u1ed3n t\u1ea1i c\u00f9ng nhau trong tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng. C\u00e1c tr\u1ee5c x v\u00e0 y th\u01b0\u1eddng bi\u1ec3u di\u1ec5n nhi\u1ec7t \u0111\u1ed9 v\u00e0 th\u00e0nh ph\u1ea7n ph\u1ea7n tr\u0103m c\u1ee7a c\u00e1c c\u1ea5u t\u1eed trong h\u1ee3p kim.<\/p>\n<h2>C\u00e1c Th\u00e0nh Ph\u1ea7n C\u01a1 B\u1ea3n C\u1ee7a S\u01a1 \u0110\u1ed3 Pha<\/h2>\n<ul>\n<li><b>Tr\u1ee5c Nhi\u1ec7t \u0110\u1ed9 (Temperature Axis):<\/b> Tr\u1ee5c d\u1ecdc (y) bi\u1ec3u th\u1ecb nhi\u1ec7t \u0111\u1ed9 c\u1ee7a h\u1ec7.<\/li>\n<li><b>Tr\u1ee5c Th\u00e0nh Ph\u1ea7n (Composition Axis):<\/b> Tr\u1ee5c ngang (x) \u0111\u1ea1i di\u1ec7n cho th\u00e0nh ph\u1ea7n ph\u1ea7n tr\u0103m c\u1ee7a c\u1ea5u t\u1eed th\u1ee9 hai trong h\u1ee3p kim, th\u01b0\u1eddng t\u1eeb 0% \u0111\u1ebfn 100%.<\/li>\n<li><b>\u0110\u01b0\u1eddng Gi\u1edbi H\u1ea1n Pha (Phase Boundaries):<\/b> C\u00e1c \u0111\u01b0\u1eddng cong tr\u00ean s\u01a1 \u0111\u1ed3 bi\u1ec3u di\u1ec5n c\u00e1c ranh gi\u1edbi gi\u1eefa c\u00e1c pha kh\u00e1c nhau.<\/li>\n<li><b>\u0110i\u1ec3m C\u00e2n B\u1eb1ng (Equilibrium Points):<\/b> C\u00e1c \u0111i\u1ec3m m\u00e0 t\u1ea1i \u0111\u00f3 c\u00e1c pha t\u1ed3n t\u1ea1i \u1edf tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng nhi\u1ec7t \u0111\u1ed9ng l\u1ef1c h\u1ecdc.<\/li>\n<li><b>Khu V\u1ef1c Pha (Phase Regions):<\/b> C\u00e1c khu v\u1ef1c kh\u00e1c nhau tr\u00ean s\u01a1 \u0111\u1ed3 cho bi\u1ebft nh\u1eefng pha t\u1ed3n t\u1ea1i \u1edf c\u00e1c \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 v\u00e0 th\u00e0nh ph\u1ea7n nh\u1ea5t \u0111\u1ecbnh.<\/li>\n<\/ul>\n<h2>V\u00ed D\u1ee5 v\u1ec1 S\u01a1 \u0110\u1ed3 Pha<\/h2>\n<p>M\u1ed9t trong nh\u1eefng s\u01a1 \u0111\u1ed3 pha ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 s\u01a1 \u0111\u1ed3 pha h\u1ec7 s\u1eaft-cacbon. N\u00f3 \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p luy\u1ec7n kim v\u00ec n\u00f3 gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1ch th\u1ee9c gia c\u00f4ng s\u1eaft \u0111\u1ec3 t\u1ea1o ra c\u00e1c lo\u1ea1i th\u00e9p kh\u00e1c nhau.<\/p>\n<h3>S\u01a1 \u0110\u1ed3 Pha H\u1ec7 S\u1eaft-Cacbon<\/h3>\n<p>S\u01a1 \u0111\u1ed3 n\u00e0y c\u00f3 m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m quan tr\u1ecdng:<\/p>\n<ol>\n<li><b>Austenite (\u03b3-Fe):<\/b> Pha c\u00f3 m\u1eb7t \u1edf nhi\u1ec7t \u0111\u1ed9 cao th\u01b0\u1eddng d\u00f9ng trong qu\u00e1 tr\u00ecnh nhi\u1ec7t luy\u1ec7n.<\/li>\n<li><b>Ferrite (\u03b1-Fe):<\/b> Pha \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p v\u1edbi kh\u1ea3 n\u0103ng t\u1eeb t\u00ednh cao.<\/li>\n<li><b>Cementite (Fe<sub>3<\/sub>C):<\/b> M\u1ed9t h\u1ee3p ch\u1ea5t c\u1ee9ng v\u00e0 gi\u00f2n g\u00f3p ph\u1ea7n t\u1ea1o \u0111\u1ed9 c\u1ee9ng cho th\u00e9p.<\/li>\n<li><b>Perlite:<\/b> C\u1ea5u tr\u00fac h\u1ed7n h\u1ee3p c\u1ee7a ferrite v\u00e0 cementite, th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/li>\n<\/ol>\n<h2>\u1ee8ng D\u1ee5ng C\u1ee7a S\u01a1 \u0110\u1ed3 Pha<\/h2>\n<p>S\u01a1 \u0111\u1ed3 pha c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong k\u1ef9 thu\u1eadt v\u00e0 s\u1ea3n xu\u1ea5t:<\/p>\n<ul>\n<li><b>K\u1ef9 Thu\u1eadt Nhi\u1ec7t:<\/b> Gi\u00fap x\u00e1c \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 chuy\u1ec3n pha.<\/li>\n<li><b>Luy\u1ec7n Kim:<\/b> Cho ph\u00e9p x\u00e1c \u0111\u1ecbnh c\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 nhi\u1ec7t \u0111\u1ed9 trong qu\u00e1 tr\u00ecnh n\u1ea5u ch\u1ea3y v\u00e0 \u0111\u00fac kim lo\u1ea1i.<\/li>\n<li><b>V\u1eadt Li\u1ec7u H\u1ecdc:<\/b> Gi\u00fap ch\u1ecdn l\u1ef1a v\u00e0 thi\u1ebft k\u1ebf v\u1eadt li\u1ec7u cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 d\u1ef1a tr\u00ean c\u00e1c thu\u1ed9c t\u00ednh pha.<\/li>\n<\/ul>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>S\u01a1 \u0111\u1ed3 pha l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu trong khoa h\u1ecdc v\u1eadt li\u1ec7u v\u00e0 k\u1ef9 thu\u1eadt nhi\u1ec7t gi\u00fap hi\u1ec3u r\u00f5 s\u1ef1 thay \u0111\u1ed5i pha c\u1ee7a v\u1eadt li\u1ec7u. S\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 s\u01a1 \u0111\u1ed3 pha gi\u00fap c\u00e1c k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 khoa h\u1ecdc t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c v\u1eadt li\u1ec7u m\u1edbi v\u1edbi c\u00e1c thu\u1ed9c t\u00ednh mong mu\u1ed1n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>S\u01a1 \u0111\u1ed3 pha d\u1eabn \u0111\u01b0\u1eddng cho khoa h\u1ecdc v\u1eadt li\u1ec7u: T\u00ecm hi\u1ec3u nguy\u00ean l\u00fd, \u1ee9ng d\u1ee5ng v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a s\u01a1 \u0111\u1ed3 pha trong nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n v\u1eadt li\u1ec7u m\u1edbi.<\/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\/ 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