{"id":680350,"date":"2024-09-16T00:03:36","date_gmt":"2024-09-15T23:03:36","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=680350"},"modified":"2024-09-16T00:03:36","modified_gmt":"2024-09-15T23:03:36","slug":"vat-lieu-giao-dien-nhiet-co-the-cai-thien-lam-mat-may-tinh-khong","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/vat-lieu-giao-dien-nhiet-co-the-cai-thien-lam-mat-may-tinh-khong\/","title":{"rendered":"V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n l\u00e0m m\u00e1t m\u00e1y t\u00ednh kh\u00f4ng"},"content":{"rendered":"<p class=\"sidekick\">V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t gi\u00fap c\u1ea3i thi\u1ec7n l\u00e0m m\u00e1t m\u00e1y t\u00ednh b\u1eb1ng c\u00e1ch t\u0103ng hi\u1ec7u qu\u1ea3 truy\u1ec1n nhi\u1ec7t gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn, gi\u00fap m\u00e1y t\u00ednh ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/vat_lieu_giao_dien_nhiet_co_the_cai_thien_lam_mat_may_tinh_khong.png\" alt=\"V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n l\u00e0m m\u00e1t m\u00e1y t\u00ednh kh\u00f4ng\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n l\u00e0m m\u00e1t m\u00e1y t\u00ednh kh\u00f4ng?<\/h2>\n<p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, m\u1ed9t trong nh\u1eefng th\u00e1ch th\u1ee9c l\u1edbn nh\u1ea5t l\u00e0 l\u00e0m m\u00e1t m\u00e1y t\u00ednh hi\u1ec7u qu\u1ea3. V\u1edbi s\u1ef1 gia t\u0103ng hi\u1ec7u su\u1ea5t v\u00e0 t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, nhi\u1ec7t l\u01b0\u1ee3ng t\u1ea1o ra c\u0169ng t\u0103ng theo. \u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t (Thermal Interface Materials &#8211; TIMs) \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng.<\/p>\n<h2>V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t (TIMs) l\u00e0 g\u00ec?<\/h2>\n<p>V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t l\u00e0 c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y kho\u1ea3ng tr\u1ed1ng gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, nh\u01b0 gi\u1eefa b\u1ed9 x\u1eed l\u00fd v\u00e0 b\u1ed9 gi\u1ea3i nhi\u1ec7t (heatsink). M\u1ee5c \u0111\u00edch c\u1ee7a TIMs l\u00e0 t\u0103ng c\u01b0\u1eddng truy\u1ec1n nhi\u1ec7t b\u1eb1ng c\u00e1ch gi\u1ea3m tr\u1edf kh\u00e1ng nhi\u1ec7t t\u1ea1i c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac.<\/p>\n<ul>\n<li>Ch\u1ea5t d\u1eabn nhi\u1ec7t: Ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t cao \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t nhanh ch\u00f3ng t\u1eeb thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed sang b\u1ed9 gi\u1ea3i nhi\u1ec7t.<\/li>\n<li>\u0110\u1ed9 linh ho\u1ea1t: TIMs c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng d\u1ec5 d\u00e0ng \u0111i\u1ec1u ch\u1ec9nh h\u00ecnh d\u1ea1ng \u0111\u1ec3 ph\u1ee7 \u0111\u1ec1u b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac.<\/li>\n<li>\u0110\u1ed9 b\u1ec1n: V\u1eadt li\u1ec7u c\u1ea7n ph\u1ea3i b\u1ec1n b\u1ec9 \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c kh\u1eafc nghi\u1ec7t m\u00e0 kh\u00f4ng m\u1ea5t \u0111i kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t.<\/li>\n<\/ul>\n<h2>Nh\u1eefng lo\u1ea1i TIMs ph\u1ed5 bi\u1ebfn<\/h2>\n<p>C\u00f3 nhi\u1ec1u lo\u1ea1i TIMs kh\u00e1c nhau, m\u1ed7i lo\u1ea1i c\u00f3 nh\u1eefng \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang. Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i TIMs th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng:<\/p>\n<ol>\n<li><b>Keo nhi\u1ec7t (Thermal Paste):<\/b> \u0110\u00e2y l\u00e0 lo\u1ea1i TIMs ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng nh\u1ea5t. Keo nhi\u1ec7t c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t t\u1ed1t v\u00e0 gi\u00e1 th\u00e0nh h\u1ee3p l\u00fd. Tuy nhi\u00ean, ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a keo nhi\u1ec7t c\u00f3 th\u1ec3 gi\u1ea3m d\u1ea7n theo th\u1eddi gian.<\/li>\n<li><b>Mi\u1ebfng l\u1eafp nhi\u1ec7t (Thermal Pads):<\/b> \u0110\u00e2y l\u00e0 d\u1ea1ng mi\u1ebfng m\u1ecfng l\u00e0m t\u1eeb silicone ho\u1eb7c c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t. Mi\u1ebfng l\u1eafp nhi\u1ec7t d\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t v\u00e0 c\u00f3 t\u00ednh \u1ed5n \u0111\u1ecbnh cao.<\/li>\n<li><b>Gel nhi\u1ec7t (Thermal Gel):<\/b> Gel nhi\u1ec7t c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t cao v\u00e0 c\u00f3 th\u1ec3 l\u1ea5p \u0111\u1ea7y c\u00e1c khuy\u1ebft \u0111i\u1ec3m tr\u00ean b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac.<\/li>\n<li><b>Ch\u1ea5t d\u00e1n pha-\u0111\u1ed9ng (Phase Change Materials &#8211; PCMs):<\/b> C\u00e1c v\u1eadt li\u1ec7u n\u00e0y thay \u0111\u1ed5i pha t\u1eeb r\u1eafn sang l\u1ecfng \u1edf nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, gi\u00fap t\u0103ng c\u01b0\u1eddng d\u1eabn nhi\u1ec7t khi c\u1ea7n thi\u1ebft.<\/li>\n<\/ol>\n<h2>L\u1ee3i \u00edch c\u1ee7a TIMs trong l\u00e0m m\u00e1t m\u00e1y t\u00ednh<\/h2>\n<ul>\n<li><b>C\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t l\u00e0m m\u00e1t:<\/b> TIMs gi\u00fap gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 x\u1eed l\u00fd, t\u1eeb \u0111\u00f3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c c\u1ee7a m\u00e1y t\u00ednh.<\/li>\n<li><b>K\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a linh ki\u1ec7n:<\/b> Nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh gi\u00fap gi\u1ea3m thi\u1ec3u hao m\u00f2n c\u1ee7a c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a m\u00e1y t\u00ednh.<\/li>\n<li><b>Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng:<\/b> Khi nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c duy tr\u00ec \u1edf m\u1ee9c th\u1ea5p, m\u00e1y t\u00ednh ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 h\u01a1n, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng ti\u00eau th\u1ee5.<\/li>\n<\/ul>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c l\u00e0m m\u00e1t m\u00e1y t\u00ednh. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng TIMs ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ph\u00f9 h\u1ee3p, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd linh ki\u1ec7n v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. V\u00ec v\u1eady, n\u1ebfu b\u1ea1n \u0111ang mu\u1ed1n n\u00e2ng c\u1ea5p h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t cho m\u00e1y t\u00ednh c\u1ee7a m\u00ecnh, \u0111\u1eebng qu\u00ean xem x\u00e9t c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t kh\u00e1c nhau \u0111\u1ec3 ch\u1ecdn l\u1ef1a ph\u01b0\u01a1ng \u00e1n t\u1ed1t nh\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t gi\u00fap c\u1ea3i thi\u1ec7n l\u00e0m m\u00e1t m\u00e1y t\u00ednh b\u1eb1ng c\u00e1ch t\u0103ng hi\u1ec7u qu\u1ea3 truy\u1ec1n nhi\u1ec7t gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn, gi\u00fap m\u00e1y t\u00ednh ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/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 - 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