{"id":681341,"date":"2024-08-09T20:37:36","date_gmt":"2024-08-09T19:37:36","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=681341"},"modified":"2024-08-09T20:37:36","modified_gmt":"2024-08-09T19:37:36","slug":"4-loai-vat-lieu-tan-nhiet-cho-thiet-bi-dien-tu","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/4-loai-vat-lieu-tan-nhiet-cho-thiet-bi-dien-tu\/","title":{"rendered":"4 Lo\u1ea1i V\u1eadt Li\u1ec7u T\u1ea3n Nhi\u1ec7t Cho Thi\u1ebft B\u1ecb \u0110i\u1ec7n T\u1eed"},"content":{"rendered":"<p class=\"sidekick\">4 Lo\u1ea1i V\u1eadt Li\u1ec7u T\u1ea3n Nhi\u1ec7t Cho Thi\u1ebft B\u1ecb \u0110i\u1ec7n T\u1eed: t\u00ecm hi\u1ec3u hi\u1ec7u qu\u1ea3 v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a nh\u00f4m, \u0111\u1ed3ng, g\u1ed1m v\u00e0 graphene trong vi\u1ec7c l\u00e0m m\u00e1t linh ki\u1ec7n \u0111i\u1ec7n t\u1eed.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/4_loai_vat_lieu_tan_nhiet_cho_thiet_bi_dien_tu.png\" alt=\"4 Lo\u1ea1i V\u1eadt Li\u1ec7u T\u1ea3n Nhi\u1ec7t Cho Thi\u1ebft B\u1ecb \u0110i\u1ec7n T\u1eed\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>4 Lo\u1ea1i V\u1eadt Li\u1ec7u T\u1ea3n Nhi\u1ec7t Cho Thi\u1ebft B\u1ecb \u0110i\u1ec7n T\u1eed<\/h2>\n<p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, vi\u1ec7c t\u1ea3n nhi\u1ec7t cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 c\u1ef1c k\u1ef3 quan tr\u1ecdng. Nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 g\u00e2y h\u1ecfng h\u00f3c ho\u1eb7c gi\u1ea3m tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb. V\u00ec v\u1eady, vi\u1ec7c ch\u1ecdn l\u1ef1a v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u1ea3n nhi\u1ec7t l\u00e0 v\u00f4 c\u00f9ng c\u1ea7n thi\u1ebft. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ed1n lo\u1ea1i v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay:<\/p>\n<ul>\n<li><b>Nh\u00f4m<\/b><\/li>\n<\/ul>\n<p>Nh\u00f4m l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t ph\u1ed5 bi\u1ebfn nh\u1ea5t do c\u00f3 nhi\u1ec7t d\u1eabn t\u1ed1t v\u00e0 gi\u00e1 th\u00e0nh h\u1ee3p l\u00fd. Nh\u00f4m c\u0169ng nh\u1eb9 v\u00e0 d\u1ec5 d\u00e0ng gia c\u00f4ng, l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean cho nhi\u1ec1u thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. Nhi\u1ec7t d\u1eabn c\u1ee7a nh\u00f4m th\u01b0\u1eddng v\u00e0o kho\u1ea3ng 205 W\/m*K.<\/p>\n<ul>\n<li><b>\u0110\u1ed3ng<\/b><\/li>\n<\/ul>\n<p>\u0110\u1ed3ng c\u00f3 nhi\u1ec7t d\u1eabn cao h\u01a1n nhi\u1ec1u so v\u1edbi nh\u00f4m, l\u00ean t\u1edbi 400 W\/m*K. \u0110i\u1ec1u n\u00e0y l\u00e0m cho \u0111\u1ed3ng tr\u1edf th\u00e0nh m\u1ed9t v\u1eadt li\u1ec7u tuy\u1ec7t v\u1eddi \u0111\u1ec3 t\u1ea3n nhi\u1ec7t trong c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t cao. Tuy nhi\u00ean, \u0111\u1ed3ng c\u0169ng \u0111\u1eaft h\u01a1n v\u00e0 n\u1eb7ng h\u01a1n nh\u00f4m, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf s\u1ef1 s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i c\u1ee7a n\u00f3 trong c\u00e1c thi\u1ebft b\u1ecb c\u00f3 y\u00eau c\u1ea7u nh\u1eb9 v\u00e0 gi\u00e1 r\u1ebb.<\/p>\n<ul>\n<li><b>Graphene<\/b><\/li>\n<\/ul>\n<p>Graphene l\u00e0 m\u1ed9t d\u1ea1ng c\u1ee7a carbon, c\u00f3 c\u1ea5u tr\u00fac hai chi\u1ec1u v\u00e0 \u0111\u1ed9 d\u00e0y ch\u1ec9 b\u1eb1ng m\u1ed9t nguy\u00ean t\u1eed. \u0110\u00e2y l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u t\u01b0\u01a1ng \u0111\u1ed1i m\u1edbi v\u00e0 c\u00f3 ti\u1ec1m n\u0103ng r\u1ea5t l\u1edbn trong vi\u1ec7c t\u1ea3n nhi\u1ec7t do nhi\u1ec7t d\u1eabn c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 l\u00ean t\u1edbi 5300 W\/m*K. Tuy nhi\u00ean, vi\u1ec7c s\u1ea3n xu\u1ea5t graphene v\u1eabn c\u00f2n r\u1ea5t \u0111\u1eaft \u0111\u1ecf v\u00e0 ph\u1ee9c t\u1ea1p, do \u0111\u00f3 ch\u01b0a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng.<\/p>\n<ul>\n<li><b>C\u00e1c h\u1ee3p ch\u1ea5t t\u1ea3n nhi\u1ec7t (Thermal Grease\/Paste)<\/b><\/li>\n<\/ul>\n<p>H\u1ee3p ch\u1ea5t t\u1ea3n nhi\u1ec7t l\u00e0 m\u1ed9t lo\u1ea1i ch\u1ea5t l\u1ecfng ho\u1eb7c gel \u0111\u01b0\u1ee3c b\u00f4i gi\u1eefa b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t v\u00e0 b\u1ec1 m\u1eb7t thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 l\u1ea5p \u0111\u1ea7y c\u00e1c kho\u1ea3ng tr\u1ed1ng nh\u1ecf, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t. M\u1eb7c d\u00f9 c\u00e1c h\u1ee3p ch\u1ea5t n\u00e0y kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t cao nh\u01b0 kim lo\u1ea1i, nh\u01b0ng ch\u00fang l\u1ea1i r\u1ea5t hi\u1ec7u qu\u1ea3 trong vi\u1ec7c t\u0103ng c\u01b0\u1eddng ti\u1ebfp x\u00fac nhi\u1ec7t.<\/p>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>Vi\u1ec7c ch\u1ecdn l\u1ef1a v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u1ea3n nhi\u1ec7t cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed l\u00e0 r\u1ea5t quan tr\u1ecdng. Nh\u00f4m v\u00e0 \u0111\u1ed3ng l\u00e0 hai v\u1eadt li\u1ec7u t\u1ea3n nhi\u1ec7t ph\u1ed5 bi\u1ebfn nh\u1ea5t, trong khi graphene v\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t t\u1ea3n nhi\u1ec7t cung c\u1ea5p th\u00eam t\u00f9y ch\u1ecdn cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u cao h\u01a1n. T\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ee5 th\u1ec3 m\u00e0 ta c\u00f3 th\u1ec3 ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>4 Lo\u1ea1i V\u1eadt Li\u1ec7u T\u1ea3n Nhi\u1ec7t Cho Thi\u1ebft B\u1ecb \u0110i\u1ec7n T\u1eed: t\u00ecm hi\u1ec3u hi\u1ec7u qu\u1ea3 v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a nh\u00f4m, \u0111\u1ed3ng, g\u1ed1m v\u00e0 graphene trong vi\u1ec7c l\u00e0m m\u00e1t linh ki\u1ec7n \u0111i\u1ec7n t\u1eed.<\/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>4 Lo\u1ea1i V\u1eadt Li\u1ec7u T\u1ea3n Nhi\u1ec7t Cho Thi\u1ebft B\u1ecb 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