{"id":699617,"date":"2024-10-27T21:47:39","date_gmt":"2024-10-27T20:47:39","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=699617"},"modified":"2024-10-27T21:47:39","modified_gmt":"2024-10-27T20:47:39","slug":"phan-tich-nhiet-cua-vat-lieu-composite","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/phan-tich-nhiet-cua-vat-lieu-composite\/","title":{"rendered":"Ph\u00e2n t\u00edch nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u composite"},"content":{"rendered":"<p class=\"sidekick\">Ph\u00e2n t\u00edch nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u composite: T\u00ecm hi\u1ec3u c\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u kh\u00e1c nhau \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 t\u00ednh ch\u1ea5t b\u1ec1n v\u1eefng c\u1ee7a ch\u00fang.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/phan_tich_nhiet_cua_vat_lieu_composite.png\" alt=\"Ph\u00e2n t\u00edch nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u composite\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Ph\u00e2n t\u00edch nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u composite<\/h2>\n<p>Trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, ph\u00e2n t\u00edch nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u composite \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng \u0111\u1ec3 hi\u1ec3u r\u00f5 c\u00e1c t\u00ednh ch\u1ea5t nhi\u1ec7t c\u1ee7a ch\u00fang. V\u1eadt li\u1ec7u composite l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a hai hay nhi\u1ec1u v\u1eadt li\u1ec7u kh\u00e1c nhau \u0111\u1ec3 t\u1ea1o ra m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u m\u1edbi c\u00f3 nh\u1eefng t\u00ednh ch\u1ea5t v\u01b0\u1ee3t tr\u1ed9i. C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u composite th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng bao g\u1ed3m s\u1ee3i th\u1ee7y tinh, s\u1ee3i carbon, v\u00e0 nh\u1ef1a epoxy.<\/p>\n<h2>T\u1ea7m quan tr\u1ecdng c\u1ee7a ph\u00e2n t\u00edch nhi\u1ec7t<\/h2>\n<p>Ph\u00e2n t\u00edch nhi\u1ec7t gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1ch v\u1eadt li\u1ec7u composite ph\u1ea3n \u1ee9ng v\u1edbi nhi\u1ec7t \u0111\u1ed9, m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt. M\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 ch\u00ednh c\u1ea7n x\u00e1c \u0111\u1ecbnh bao g\u1ed3m:<\/p>\n<p><u1><\/p>\n<li><strong>\u0110\u1ed9 d\u1eabn nhi\u1ec7t (k):<\/strong> Kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u composite.<\/li>\n<li><strong>\u0110\u1ed9 ch\u00eanh l\u1ec7ch nhi\u1ec7t (C<sub>p<\/sub>):<\/strong> L\u01b0\u1ee3ng nhi\u1ec7t c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a m\u1ed9t \u0111\u01a1n v\u1ecb kh\u1ed1i l\u01b0\u1ee3ng v\u1eadt li\u1ec7u l\u00ean m\u1ed9t \u0111\u01a1n v\u1ecb \u0111\u1ed9.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t:<\/strong> Kh\u1ea3 n\u0103ng c\u1ee7a v\u1eadt li\u1ec7u ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao m\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng ho\u1eb7c h\u01b0 h\u1ecfng.<\/li>\n<p><\/u1><\/p>\n<h2>Ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch nhi\u1ec7t<\/h2>\n<p>C\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 ph\u00e2n t\u00edch nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u composite, bao g\u1ed3m:<\/p>\n<p><o1><\/p>\n<li><strong>Ph\u00e2n t\u00edch nhi\u1ec7t vi sai (DSC):<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o \u0111\u1ea1c s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa m\u1eabu v\u00e0 ch\u1ea5t tham chi\u1ebfu trong qu\u00e1 tr\u00ecnh gia nhi\u1ec7t.<\/li>\n<li><strong>Ph\u00e9p \u0111o \u0111\u1ed9 d\u1eabn nhi\u1ec7t:<\/strong> X\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u1eabn nhi\u1ec7t k th\u00f4ng qua c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u01b0 s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb Laser Flash ho\u1eb7c ph\u01b0\u01a1ng ph\u00e1p \u0111o tr\u1ef1c ti\u1ebfp.<\/li>\n<li><strong>Ph\u00e2n t\u00edch c\u01a1 nhi\u1ec7t \u0111\u1ed9ng (TMA):<\/strong> \u0110o l\u01b0\u1eddng s\u1ef1 gi\u00e3n n\u1edf nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u composite khi c\u00f3 nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i.<\/li>\n<p><\/o1><\/p>\n<h2>\u1ee8ng d\u1ee5ng th\u1ef1c ti\u1ec5n<\/h2>\n<p>V\u1eadt li\u1ec7u composite \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c nh\u1edd v\u00e0o t\u00ednh ch\u1ea5t nhi\u1ec7t \u0111\u1eb7c tr\u01b0ng c\u1ee7a ch\u00fang. C\u00e1c \u1ee9ng d\u1ee5ng th\u01b0\u1eddng g\u1eb7p bao g\u1ed3m:<\/p>\n<p><u1><\/p>\n<li><strong>Ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5:<\/strong> S\u1eed d\u1ee5ng trong c\u00e1nh m\u00e1y bay v\u00e0 v\u1ecf t\u00e0u v\u0169 tr\u1ee5 do c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9.<\/li>\n<li><strong>C\u00f4ng nghi\u1ec7p \u00f4 t\u00f4:<\/strong> D\u00f9ng trong c\u1ea5u tr\u00fac xe, c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y m\u00f3c \u0111\u1ec3 gia t\u0103ng \u0111\u1ed9 b\u1ec1n v\u00e0 gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng.<\/li>\n<li><strong>K\u1ef9 thu\u1eadt x\u00e2y d\u1ef1ng:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c t\u00f2a nh\u00e0 v\u00e0 c\u1ea7u c\u1ed1ng \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t.<\/li>\n<p><\/u1><\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>Ph\u00e2n t\u00edch nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u composite l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh quan tr\u1ecdng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c t\u00ednh ch\u1ea5t nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u n\u00e0y. Qua c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch nh\u01b0 DSC, \u0111o \u0111\u1ed9 d\u1eabn nhi\u1ec7t v\u00e0 TMA, k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u composite, t\u1eeb \u0111\u00f3 \u1ee9ng d\u1ee5ng ch\u00fang hi\u1ec7u qu\u1ea3 trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ph\u00e2n t\u00edch nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u composite: T\u00ecm hi\u1ec3u c\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u kh\u00e1c nhau \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 t\u00ednh ch\u1ea5t b\u1ec1n v\u1eefng c\u1ee7a ch\u00fang.<\/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 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