{"id":686948,"date":"2024-11-23T14:04:10","date_gmt":"2024-11-23T13:04:10","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=686948"},"modified":"2024-11-23T14:04:10","modified_gmt":"2024-11-23T13:04:10","slug":"vat-lieu-giao-dien-nhiet-cho-quan-ly-nhiet","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/vat-lieu-giao-dien-nhiet-cho-quan-ly-nhiet\/","title":{"rendered":"V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t cho qu\u1ea3n l\u00fd nhi\u1ec7t"},"content":{"rendered":"<p class=\"sidekick\">V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t cho qu\u1ea3n l\u00fd nhi\u1ec7t: T\u00ecm hi\u1ec3u c\u00e1ch c\u00e1c v\u1eadt li\u1ec7u n\u00e0y c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 t\u1ea3n nhi\u1ec7t trong \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 \u0111i\u1ec7n t\u1eed.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/vat_lieu_giao_dien_nhiet_cho_quan_ly_nhiet.png\" alt=\"V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t cho qu\u1ea3n l\u00fd nhi\u1ec7t\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t cho qu\u1ea3n l\u00fd nhi\u1ec7t<\/h2>\n<p>Trong l\u0129nh v\u1ef1c <strong>k\u1ef9 thu\u1eadt nhi\u1ec7t<\/strong>, qu\u1ea3n l\u00fd nhi\u1ec7t l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. M\u1ed9t trong nh\u1eefng th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd nhi\u1ec7t l\u00e0 v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t (Thermal Interface Materials &#8211; TIMs). C\u00e1c v\u1eadt li\u1ec7u n\u00e0y c\u00f3 vai tr\u00f2 c\u1ea3i thi\u1ec7n vi\u1ec7c truy\u1ec1n nhi\u1ec7t gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac, nh\u1eb1m t\u1ed1i \u01b0u h\u00f3a kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<h2>C\u00f4ng D\u1ee5ng Ch\u00ednh c\u1ee7a V\u1eadt Li\u1ec7u Giao Di\u1ec7n Nhi\u1ec7t<\/h2>\n<ul>\n<li><strong>Gi\u1ea3m h\u1ed7n lo\u1ea1n nhi\u1ec7t<\/strong>: TIMs gi\u00fap l\u1ea5p \u0111\u1ea7y c\u00e1c kho\u1ea3ng tr\u1ed1ng v\u00e0 kh\u00f4ng \u0111\u1ec1u gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac, l\u00e0m gi\u1ea3m s\u1ef1 c\u1ea3n tr\u1edf c\u1ee7a d\u00f2ng nhi\u1ec7t.<\/li>\n<li><strong>T\u0103ng hi\u1ec7u su\u1ea5t t\u1ea3n nhi\u1ec7t<\/strong>: C\u00e1c v\u1eadt li\u1ec7u n\u00e0y c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng truy\u1ec1n nhi\u1ec7t t\u1eeb c\u00e1c thi\u1ebft b\u1ecb sinh nhi\u1ec7t (nh\u01b0 CPU, GPU) \u0111\u1ebfn c\u00e1c b\u1ed9 ph\u1eadn t\u1ea3n nhi\u1ec7t (nh\u01b0 t\u1ea3n nhi\u1ec7t m\u00f4i ch\u1ea5t l\u1ecfng, t\u1ea5m l\u00e0m m\u00e1t).<\/li>\n<li><strong>\u0110\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n c\u1ee7a thi\u1ebft b\u1ecb<\/strong>: Qu\u1ea3n l\u00fd nhi\u1ec7t hi\u1ec7u qu\u1ea3 gi\u00fap gi\u1ea3m thi\u1ec3u nguy c\u01a1 qu\u00e1 nhi\u1ec7t, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/li>\n<\/ul>\n<h2>C\u00e1c Lo\u1ea1i V\u1eadt Li\u1ec7u Giao Di\u1ec7n Nhi\u1ec7t<\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t ph\u1ed5 bi\u1ebfn:<\/p>\n<ol>\n<li><strong>M\u1ee1 t\u1ea3n nhi\u1ec7t (Thermal Grease\/Paste)<\/strong><\/li>\n<ul>\n<li>V\u1eadt li\u1ec7u d\u1ea1ng s\u1ec7t \u0111\u01b0\u1ee3c b\u00f4i l\u00ean b\u1ec1 m\u1eb7t \u0111\u1ec3 c\u1ea3i thi\u1ec7n truy\u1ec1n nhi\u1ec7t.<\/li>\n<li>V\u00ed d\u1ee5: M\u1ee1 silicon, m\u1ee1 b\u1ea1c.<\/li>\n<\/ul>\n<li><strong>T\u1ea5m nhi\u1ec7t (Thermal Pads)<\/strong><\/li>\n<ul>\n<li>T\u1ea5m m\u1ecfng c\u00f3 th\u1ec3 c\u1eaft v\u00e0 d\u00e1n tr\u1ef1c ti\u1ebfp l\u00ean b\u1ec1 m\u1eb7t c\u1ea7n l\u00e0m m\u00e1t.<\/li>\n<li>V\u00ed d\u1ee5: T\u1ea5m graphit, t\u1ea5m silicon.<\/li>\n<\/ul>\n<li><strong>B\u0103ng d\u00ednh nhi\u1ec7t (Thermal Tapes)<\/strong><\/li>\n<ul>\n<li>D\u1ea1ng b\u0103ng d\u00ednh v\u1edbi l\u1edbp keo d\u1eabn nhi\u1ec7t, d\u1ec5 d\u00e0ng s\u1eed d\u1ee5ng v\u00e0 th\u00e1o g\u1ee1.<\/li>\n<li>V\u00ed d\u1ee5: B\u0103ng d\u00ednh matrix, b\u0103ng d\u00ednh cyanate ester.<\/li>\n<\/ul>\n<li><strong>Ch\u1ea5t l\u1ecfng v\u00e0 gel nhi\u1ec7t (Thermal Liquids and Gels)<\/strong><\/li>\n<ul>\n<li>Ch\u1ea5t l\u1ecfng ho\u1eb7c gel c\u00f3 t\u00ednh ch\u1ea5t d\u1eabn nhi\u1ec7t t\u1ed1t, th\u01b0\u1eddng d\u00f9ng trong c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n<\/ul>\n<\/ol>\n<h2>C\u00e1c Th\u00f4ng S\u1ed1 Quan Tr\u1ecdng c\u1ee7a TIMs<\/h2>\n<p>Khi l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t, c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn c\u00e1c th\u00f4ng s\u1ed1 sau:<\/p>\n<ul>\n<li><strong>\u0110\u1ed9 d\u1eabn nhi\u1ec7t (Thermal Conductivity) (\\kappa)<\/strong>: \u0110\u01a1n v\u1ecb th\u01b0\u1eddng d\u00f9ng l\u00e0 W\/m\u00b7K. \u0110\u1ed9 d\u1eabn nhi\u1ec7t c\u00e0ng cao, kh\u1ea3 n\u0103ng truy\u1ec1n nhi\u1ec7t c\u00e0ng t\u1ed1t.<\/li>\n<li><strong>\u0110i\u1ec7n tr\u1edf nhi\u1ec7t (Thermal Resistance) (R\\_t)<\/strong>: \u0110\u01a1n v\u1ecb th\u01b0\u1eddng d\u00f9ng l\u00e0 \u00b0C\/W. \u0110i\u1ec7n tr\u1edf nhi\u1ec7t c\u00e0ng th\u1ea5p, hi\u1ec7u n\u0103ng truy\u1ec1n nhi\u1ec7t c\u00e0ng cao.<\/li>\n<li><strong>\u0110\u1ed9 d\u00e0y (Thickness) (t)<\/strong>: \u0110\u1ed9 d\u00e0y c\u1ee7a v\u1eadt li\u1ec7u c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111i\u1ec7n tr\u1edf nhi\u1ec7t, v\u1edbi R\\_t = t \/ \\kappa. V\u00ec v\u1eady, v\u1eadt li\u1ec7u m\u1ecfng h\u01a1n th\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng truy\u1ec1n nhi\u1ec7t t\u1ed1t h\u01a1n.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t (Thermal Stability)<\/strong>: \u0110\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng c\u1ee7a v\u1eadt li\u1ec7u trong vi\u1ec7c duy tr\u00ec \u0111\u1eb7c t\u00ednh d\u1eabn nhi\u1ec7t d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n<\/ul>\n<h2>\u1ee8ng D\u1ee5ng c\u1ee7a TIMs<\/h2>\n<p>V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c, bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>\u0110i\u1ec7n t\u1eed ti\u00eau d\u00f9ng<\/strong>: Nh\u01b0 c\u00e1c s\u1ea3n ph\u1ea9m laptop, \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y ch\u01a1i game.<\/li>\n<li><strong>M\u00e1y t\u00ednh v\u00e0 m\u00e1y ch\u1ee7<\/strong>: Bao g\u1ed3m c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t cho CPU, GPU v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c.<\/li>\n<li><strong>C\u00f4ng nghi\u1ec7p xe \u0111i\u1ec7n<\/strong>: S\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n v\u00e0 pin.<\/li>\n<li><strong>Vi\u1ec5n th\u00f4ng<\/strong>: S\u1ea3n ph\u1ea9m nh\u01b0 tr\u1ea1m g\u1ed1c 5G, c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng.<\/li>\n<\/ul>\n<p>V\u1edbi vi\u1ec7c ng\u00e0y c\u00e0ng nhi\u1ec1u thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u1ea7n qu\u1ea3n l\u00fd nhi\u1ec7t hi\u1ec7u qu\u1ea3, vai tr\u00f2 c\u1ee7a v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t ng\u00e0y m\u1ed9t quan tr\u1ecdng. Hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c lo\u1ea1i TIMs v\u00e0 c\u00e1ch l\u1ef1a ch\u1ecdn ch\u00fang s\u1ebd gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t cho qu\u1ea3n l\u00fd nhi\u1ec7t: T\u00ecm hi\u1ec3u c\u00e1ch c\u00e1c v\u1eadt li\u1ec7u n\u00e0y c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 t\u1ea3n nhi\u1ec7t trong \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 \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>V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t cho qu\u1ea3n l\u00fd nhi\u1ec7t<\/title>\n<meta name=\"description\" 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