{"id":676767,"date":"2024-10-29T23:57:08","date_gmt":"2024-10-29T22:57:08","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=676767"},"modified":"2024-10-29T23:57:08","modified_gmt":"2024-10-29T22:57:08","slug":"cach-hoat-dong-cua-keo-dan-nhiet","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/cach-hoat-dong-cua-keo-dan-nhiet\/","title":{"rendered":"C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a keo d\u1eabn nhi\u1ec7t"},"content":{"rendered":"<p class=\"sidekick\">Keo d\u1eabn nhi\u1ec7t l\u00e0 g\u00ec v\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o trong t\u1ea3n nhi\u1ec7t? H\u00e3y t\u00ecm hi\u1ec3u c\u00e1ch keo d\u1eabn nhi\u1ec7t gi\u00fap t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t l\u00e0m m\u00e1t cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/cach_hoat_dong_cua_keo_dan_nhiet.png\" alt=\"C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a keo d\u1eabn nhi\u1ec7t\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>C\u00e1ch Ho\u1ea1t \u0110\u1ed9ng c\u1ee7a Keo D\u1eabn Nhi\u1ec7t<\/h2>\n<p>Keo d\u1eabn nhi\u1ec7t l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u quan tr\u1ecdng trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t. Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u01b0 CPU, GPU v\u00e0 c\u00e1c b\u1ed9 t\u1ea3n nhi\u1ec7t. V\u1eady keo d\u1eabn nhi\u1ec7t ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? Ch\u00fang ta h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u qua b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n<h2>1. Keo D\u1eabn Nhi\u1ec7t L\u00e0 G\u00ec?<\/h2>\n<p>Keo d\u1eabn nhi\u1ec7t, c\u00f2n g\u1ecdi l\u00e0 thermal paste ho\u1eb7c thermal interface material (TIM), l\u00e0 m\u1ed9t lo\u1ea1i ch\u1ea5t l\u1ecfng ho\u1eb7c b\u00e1n r\u1eafn c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t t\u1ed1t. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y c\u00e1c kho\u1ea3ng tr\u1ed1ng v\u00e0 khuy\u1ebft \u0111i\u1ec3m gi\u1eefa hai b\u1ec1 m\u1eb7t m\u00e0 kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i ho\u00e0n to\u00e0n v\u1edbi nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 gi\u1eefa CPU v\u00e0 b\u1ed9 t\u1ea3n nhi\u1ec7t.<\/p>\n<h2>2. C\u01a1 Ch\u1ebf Ho\u1ea1t \u0110\u1ed9ng c\u1ee7a Keo D\u1eabn Nhi\u1ec7t<\/h2>\n<p>Keo d\u1eabn nhi\u1ec7t ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n l\u00e0 l\u1ea5p \u0111\u1ea7y c\u00e1c l\u1ed7 h\u1ed5ng v\u00e0 b\u1ea5t \u0111\u1ed1i x\u1ee9ng vi m\u00f4 tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac. Khi hai b\u1ec1 m\u1eb7t b\u1ea5t k\u1ef3 ti\u1ebfp x\u00fac v\u1edbi nhau, ch\u00fang kh\u00f4ng ho\u00e0n to\u00e0n ph\u1eb3ng m\u00e0 c\u00f3 c\u00e1c khe, l\u1ed7 nh\u1ecf, l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t truy\u1ec1n nhi\u1ec7t. Ch\u00ednh nh\u1eefng \u0111i\u1ec3m n\u00e0y l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng truy\u1ec1n nhi\u1ec7t t\u1eeb CPU\/GPU sang b\u1ed9 t\u1ea3n nhi\u1ec7t, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 nhi\u1ec7t.<\/p>\n<p>Keo d\u1eabn nhi\u1ec7t v\u1edbi th\u00e0nh ph\u1ea7n ch\u1ee9a c\u00e1c h\u1ea1t kim lo\u1ea1i ho\u1eb7c g\u1ed1m d\u1eabn nhi\u1ec7t gi\u00fap c\u1ea3i thi\u1ec7n s\u1ef1 d\u1eabn nhi\u1ec7t b\u1eb1ng c\u00e1ch l\u00e0m \u0111\u1ea7y c\u00e1c l\u1ed7 h\u1ed5ng n\u00e0y. C\u00e1c h\u1ea1t nh\u1ecf trong keo c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t t\u1ed1t, t\u1eeb \u0111\u00f3 gia t\u0103ng di\u1ec7n t\u00edch ti\u1ebfp x\u00fac th\u1ef1c t\u1ebf gi\u1eefa hai b\u1ec1 m\u1eb7t, gi\u00fap nhi\u1ec7t \u0111\u01b0\u1ee3c truy\u1ec1n qua nhanh ch\u00f3ng h\u01a1n.<\/p>\n<h2>3. Ch\u1ea5t Li\u1ec7u v\u00e0 Th\u00e0nh Ph\u1ea7n<\/h2>\n<ul>\n<li><strong>Kim lo\u1ea1i:<\/strong> Keo d\u1eabn nhi\u1ec7t c\u00f3 ch\u1ee9a kim lo\u1ea1i, nh\u01b0 b\u1ea1c ho\u1eb7c nh\u00f4m, c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t t\u1ed1t nh\u1ea5t, tuy nhi\u00ean ch\u00fang c\u00f3 th\u1ec3 d\u1eabn \u0111i\u1ec7n, c\u1ea7n th\u1eadn tr\u1ecdng khi s\u1eed d\u1ee5ng.<\/li>\n<li><strong>G\u1ed1m:<\/strong> Keo d\u1eabn nhi\u1ec7t t\u1eeb g\u1ed1m (nh\u01b0 oxit k\u1ebdm, oxit nh\u00f4m) kh\u00f4ng d\u1eabn \u0111i\u1ec7n nh\u01b0ng v\u1eabn duy tr\u00ec kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t t\u1ed1t, an to\u00e0n h\u01a1n khi s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/li>\n<li><strong>Silicon:<\/strong> C\u00e1c lo\u1ea1i keo b\u00f4i tr\u01a1n t\u1eeb silicon th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u \u0111\u1ed9 b\u1ec1n cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t.<\/li>\n<\/ul>\n<h2>4. C\u00e1ch S\u1eed D\u1ee5ng Keo D\u1eabn Nhi\u1ec7t \u0110\u00fang C\u00e1ch<\/h2>\n<p>\u0110\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 t\u1ed1t nh\u1ea5t, b\u1ea1n c\u1ea7n tu\u00e2n theo c\u00e1c b\u01b0\u1edbc s\u1eed d\u1ee5ng sau:<\/p>\n<ol>\n<li><strong>L\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t:<\/strong> S\u1eed d\u1ee5ng c\u1ed3n isopropyl v\u00e0 kh\u0103n m\u1ec1m \u0111\u1ec3 l\u00e0m s\u1ea1ch b\u1ee5i b\u1ea9n v\u00e0 keo c\u0169 c\u00f2n s\u00f3t l\u1ea1i tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a hai v\u1eadt c\u1ea7n l\u00e0m m\u00e1t.<\/li>\n<li><strong>\u00c1p d\u1ee5ng m\u1ed9t l\u01b0\u1ee3ng keo v\u1eeba \u0111\u1ee7:<\/strong> Cho m\u1ed9t l\u01b0\u1ee3ng keo nh\u1ecf (kho\u1ea3ng k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u1eadu) v\u00e0o gi\u1eefa CPU. Tr\u00e1nh s\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u keo \u0111\u1ec3 kh\u00f4ng g\u00e2y ra s\u1ef1 ch\u1ea3y lan ra c\u00e1c linh ki\u1ec7n kh\u00e1c.<\/li>\n<li><strong>G\u1eafn b\u1ed9 t\u1ea3n nhi\u1ec7t:<\/strong> \u0110\u1eb7t b\u1ed9 t\u1ea3n nhi\u1ec7t l\u00ean tr\u00ean CPU v\u00e0 nh\u1ea5n nh\u1eb9 nh\u00e0ng \u0111\u1ec3 keo lan \u0111\u1ec1u ra c\u1ea3 b\u1ec1 m\u1eb7t.<\/li>\n<li><strong>Th\u00e1o v\u00e0 ki\u1ec3m tra:<\/strong> Sau khi g\u1eafn b\u1ed9 t\u1ea3n nhi\u1ec7t, c\u00f3 th\u1ec3 th\u00e1o ra \u0111\u1ec3 ki\u1ec3m tra xem keo \u0111\u00e3 ph\u00e2n b\u1ed1 \u0111\u1ec1u ch\u01b0a. N\u1ebfu kh\u00f4ng \u0111\u1ec1u, c\u00f3 th\u1ec3 xoa \u0111\u1ec1u b\u1eb1ng c\u00e1ch lau keo c\u0169 v\u00e0 b\u00f4i l\u1ea1i.<\/li>\n<\/ol>\n<p>Keo d\u1eabn nhi\u1ec7t tuy \u0111\u01a1n gi\u1ea3n nh\u01b0ng \u0111\u00f3ng vai tr\u00f2 r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c duy tr\u00ec hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. S\u1eed d\u1ee5ng \u0111\u00fang lo\u1ea1i keo v\u00e0 c\u00e1ch b\u00f4i ch\u00ednh x\u00e1c s\u1ebd gi\u00fap h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Keo d\u1eabn nhi\u1ec7t l\u00e0 g\u00ec v\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o trong t\u1ea3n nhi\u1ec7t? H\u00e3y t\u00ecm hi\u1ec3u c\u00e1ch keo d\u1eabn nhi\u1ec7t gi\u00fap t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t l\u00e0m m\u00e1t cho c\u00e1c thi\u1ebft b\u1ecb \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>C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a keo d\u1eabn nhi\u1ec7t<\/title>\n<meta name=\"description\" content=\"Keo d\u1eabn nhi\u1ec7t l\u00e0 g\u00ec v\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o trong t\u1ea3n nhi\u1ec7t? 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