{"id":682560,"date":"2024-07-31T20:48:17","date_gmt":"2024-07-31T19:48:17","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=682560"},"modified":"2024-07-31T20:48:17","modified_gmt":"2024-07-31T19:48:17","slug":"3-loai-vat-lieu-hap-thu-nhiet","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/3-loai-vat-lieu-hap-thu-nhiet\/","title":{"rendered":"3 Lo\u1ea1i V\u1eadt Li\u1ec7u H\u1ea5p Th\u1ee5 Nhi\u1ec7t"},"content":{"rendered":"<p class=\"sidekick\">C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u h\u1ea5p th\u1ee5 nhi\u1ec7t ph\u1ed5 bi\u1ebfn: kim lo\u1ea1i, g\u1ed1m v\u00e0 composite. T\u00ecm hi\u1ec3u c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 c\u1ea3i thi\u1ec7n ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/3_loai_vat_lieu_hap_thu_nhiet.png\" alt=\"3 Lo\u1ea1i V\u1eadt Li\u1ec7u H\u1ea5p Th\u1ee5 Nhi\u1ec7t\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>3 Lo\u1ea1i V\u1eadt Li\u1ec7u H\u1ea5p Th\u1ee5 Nhi\u1ec7t<\/h2>\n<p>Trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i v\u1eadt li\u1ec7u h\u1ea5p th\u1ee5 nhi\u1ec7t l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. V\u1eadt li\u1ec7u h\u1ea5p th\u1ee5 nhi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thu v\u00e0 gi\u1eef nhi\u1ec7t, t\u1eeb \u0111\u00f3 ph\u1ee5c v\u1ee5 cho nhi\u1ec1u m\u1ee5c \u0111\u00edch kh\u00e1c nhau nh\u01b0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, gia nhi\u1ec7t hay l\u00e0m m\u00e1t. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ba lo\u1ea1i v\u1eadt li\u1ec7u h\u1ea5p th\u1ee5 nhi\u1ec7t ph\u1ed5 bi\u1ebfn:<\/p>\n<ul>\n<li><b>Kim lo\u1ea1i<\/b><\/li>\n<li><b>G\u1ed1m<\/b><\/li>\n<li><b>Ch\u1ea5t l\u1ecfng<\/b><\/li>\n<\/ul>\n<h2>Kim Lo\u1ea1i<\/h2>\n<p>Kim lo\u1ea1i l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i v\u1eadt li\u1ec7u h\u1ea5p th\u1ee5 nhi\u1ec7t ph\u1ed5 bi\u1ebfn nh\u1ea5t do kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t r\u1ea5t t\u1ed1t. M\u1ed9t v\u00e0i kim lo\u1ea1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng bao g\u1ed3m:<\/p>\n<ol>\n<li><b>Nh\u00f4m (Al)<\/b>: Nh\u00f4m c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t cao v\u00e0 gi\u00e1 th\u00e0nh h\u1ee3p l\u00fd, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong t\u1ea3n nhi\u1ec7t, h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/li>\n<li><b>\u0110\u1ed3ng (Cu)<\/b>: \u0110\u1ed3ng c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t c\u1ef1c k\u1ef3 t\u1ed1t, th\u1eadm ch\u00ed c\u00f2n t\u1ed1t h\u01a1n nh\u00f4m. Tuy nhi\u00ean, gi\u00e1 th\u00e0nh c\u1ee7a \u0111\u1ed3ng cao h\u01a1n n\u00ean th\u01b0\u1eddng ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t cao.<\/li>\n<li><b>Th\u00e9p kh\u00f4ng g\u1ec9 (Inox)<\/b>: D\u00f9 kh\u00f4ng d\u1eabn nhi\u1ec7t t\u1ed1t b\u1eb1ng nh\u00f4m v\u00e0 \u0111\u1ed3ng, th\u00e9p kh\u00f4ng g\u1ec9 v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i do kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n cao.<\/li>\n<\/ol>\n<h2>G\u1ed1m<\/h2>\n<p>G\u1ed1m l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 v\u00e0 gi\u1eef nhi\u1ec7t t\u1ed1t, nh\u01b0ng kh\u00f4ng d\u1eabn nhi\u1ec7t nhanh nh\u01b0 kim lo\u1ea1i. M\u1ed9t s\u1ed1 lo\u1ea1i g\u1ed1m ph\u1ed5 bi\u1ebfn g\u1ed3m c\u00f3:<\/p>\n<ol>\n<li><b>Oxide nh\u00f4m (Al<sub>2<\/sub>O<sub>3<\/sub>)<\/b>: C\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 kh\u00e1ng h\u00f3a ch\u1ea5t t\u1ed1t, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u nhi\u1ec7t \u0111\u1ed9 cao nh\u01b0 l\u00f2 s\u01b0\u1edfi v\u00e0 b\u1ec1 m\u1eb7t l\u00e0m n\u00f3ng.<\/li>\n<li><b>Silicon carbide (SiC)<\/b>: L\u00e0 m\u1ed9t lo\u1ea1i g\u1ed1m c\u1ee9ng v\u00e0 b\u1ec1n, c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t t\u1ed1t h\u01a1n nhi\u1ec1u so v\u1edbi oxide nh\u00f4m. Silicon carbide th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu m\u00e0i m\u00f2n cao.<\/li>\n<\/ol>\n<h2>Ch\u1ea5t L\u1ecfng<\/h2>\n<p>Ch\u1ea5t l\u1ecfng c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 nhi\u1ec7t t\u1ed1t v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t ho\u1eb7c gia nhi\u1ec7t. M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 ch\u1ea5t l\u1ecfng h\u1ea5p th\u1ee5 nhi\u1ec7t bao g\u1ed3m:<\/p>\n<ol>\n<li><b>N\u01b0\u1edbc (H<sub>2<\/sub>O)<\/b>: N\u01b0\u1edbc c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 nhi\u1ec7t l\u1edbn v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t, t\u1eeb m\u00e1y t\u00ednh \u0111\u1ebfn h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed.<\/li>\n<li><b>D\u1ea7u nhi\u1ec7t (Thermal oil)<\/b>: D\u1ea7u nhi\u1ec7t c\u00f3 nhi\u1ec7t \u0111\u1ed9 s\u00f4i cao h\u01a1n n\u01b0\u1edbc, do \u0111\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng n\u01a1i nhi\u1ec7t \u0111\u1ed9 cao l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng, nh\u01b0 trong c\u00e1c h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p.<\/li>\n<\/ol>\n<p>Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u h\u1ea5p th\u1ee5 nhi\u1ec7t n\u00e0y gi\u00fap k\u1ef9 s\u01b0 thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n. Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u h\u1ea5p th\u1ee5 nhi\u1ec7t ph\u1ed5 bi\u1ebfn.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u h\u1ea5p th\u1ee5 nhi\u1ec7t ph\u1ed5 bi\u1ebfn: kim lo\u1ea1i, g\u1ed1m v\u00e0 composite. T\u00ecm hi\u1ec3u c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 c\u1ea3i thi\u1ec7n ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf.<\/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>3 Lo\u1ea1i V\u1eadt Li\u1ec7u H\u1ea5p Th\u1ee5 Nhi\u1ec7t<\/title>\n<meta name=\"description\" content=\"C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u h\u1ea5p th\u1ee5 nhi\u1ec7t ph\u1ed5 bi\u1ebfn: kim lo\u1ea1i, g\u1ed1m v\u00e0 composite. 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