{"id":675011,"date":"2024-09-17T20:47:15","date_gmt":"2024-09-17T19:47:15","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=675011"},"modified":"2024-09-17T20:47:15","modified_gmt":"2024-09-17T19:47:15","slug":"cach-vat-lieu-giao-dien-nhiet-cai-thien-tiep-xuc","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/cach-vat-lieu-giao-dien-nhiet-cai-thien-tiep-xuc\/","title":{"rendered":"C\u00e1ch v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t c\u1ea3i thi\u1ec7n ti\u1ebfp x\u00fac"},"content":{"rendered":"

C\u00e1ch v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t c\u1ea3i thi\u1ec7n ti\u1ebfp x\u00fac: t\u00ecm hi\u1ec3u v\u1ec1 vai tr\u00f2 c\u1ee7a v\u1eadt li\u1ec7u n\u00e0y trong vi\u1ec7c t\u0103ng hi\u1ec7u su\u1ea5t truy\u1ec1n nhi\u1ec7t gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac.<\/p>\n

\"C\u00e1ch<\/p>\n

C\u00e1ch V\u1eadt Li\u1ec7u Giao Di\u1ec7n Nhi\u1ec7t C\u1ea3i Thi\u1ec7n Ti\u1ebfp X\u00fac<\/h2>\n

V\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t (TIM – Thermal Interface Materials) \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c c\u1ea3i thi\u1ec7n ti\u1ebfp x\u00fac nhi\u1ec7t gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t kh\u00e1c nhau trong h\u1ec7 th\u1ed1ng t\u1ea3n nhi\u1ec7t. Nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y l\u00e0 gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 \u0111\u1ec3 gi\u1ea3m tr\u1edf kh\u00e1ng nhi\u1ec7t v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t t\u1ea3n nhi\u1ec7t c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed v\u00e0 c\u01a1 kh\u00ed. V\u1eady c\u1ee5 th\u1ec3, l\u00e0m th\u1ebf n\u00e0o TIM c\u1ea3i thi\u1ec7n ti\u1ebfp x\u00fac nhi\u1ec7t?<\/p>\n

1. Gi\u1ea3m Tr\u1edf Kh\u00e1ng Nhi\u1ec7t<\/h3>\n

Khi hai b\u1ec1 m\u1eb7t r\u1eafn ti\u1ebfp x\u00fac v\u1edbi nhau, lu\u00f4n t\u1ed3n t\u1ea1i nh\u1eefng khe h\u1edf v\u00e0 l\u1ed7 nh\u1ecf li ti g\u00e2y c\u1ea3n tr\u1edf ti\u1ebfp x\u00fac nhi\u1ec7t. TIM \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y nh\u1eefng kho\u1ea3ng tr\u1ed1ng n\u00e0y, l\u00e0m gi\u1ea3m tr\u1edf kh\u00e1ng nhi\u1ec7t t\u1ed5ng th\u1ec3. C\u00f4ng th\u1ee9c t\u00ednh tr\u1edf kh\u00e1ng nhi\u1ec7t \\(R\\) trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y c\u00f3 th\u1ec3 bi\u1ec3u di\u1ec5n b\u1eb1ng:<\/p>\n

R<\/b> = \\(\\frac{\\Delta T}{Q}\\)<\/p>\n

Trong \u0111\u00f3:<\/p>\n

<\/p>\n

  • \u0394T<\/b>: Hi\u1ec7u nhi\u1ec7t \u0111\u1ed9 gi\u1eefa hai b\u1ec1 m\u1eb7t<\/li>\n
  • Q<\/b>: D\u00f2ng nhi\u1ec7t<\/li>\n

    <\/u1><\/p>\n

    2. T\u0103ng C\u01b0\u1eddng Truy\u1ec1n Nhi\u1ec7t<\/h3>\n

    C\u00e1c lo\u1ea1i TIM th\u00f4ng d\u1ee5ng nh\u01b0 m\u1ee1 t\u1ea3n nhi\u1ec7t, gel t\u1ea3n nhi\u1ec7t v\u00e0 c\u00e1c mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t silicon gi\u00fap truy\u1ec1n nhi\u1ec7t hi\u1ec7u qu\u1ea3 h\u01a1n nh\u1edd v\u00e0o \u0111\u1eb7c t\u00ednh d\u1eabn nhi\u1ec7t cao c\u1ee7a ch\u00fang. Nh\u1edd vi\u1ec7c t\u0103ng c\u01b0\u1eddng truy\u1ec1n nhi\u1ec7t, nhi\u1ec7t \u0111\u1ed9 c\u1ee7a c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac gi\u1ea3m \u0111\u00e1ng k\u1ec3, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n

    3. \u00c1p D\u1ee5ng Trong C\u00e1c Ng\u00e0nh C\u00f4ng Nghi\u1ec7p<\/h3>\n

    TIM \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u01b0 m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng, v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p kh\u00e1c. M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf bao g\u1ed3m:<\/p>\n

    <\/p>\n

  • CPU v\u00e0 GPU<\/b>: Gi\u1eefa b\u1ec1 m\u1eb7t CPU\/GPU v\u00e0 b\u1ed9 t\u1ea3n nhi\u1ec7t<\/li>\n
  • Module n\u0103ng l\u01b0\u1ee3ng<\/b>: Trong c\u00e1c thi\u1ebft b\u1ecb bi\u1ebfn t\u1ea7n v\u00e0 t\u1ee7 \u0111i\u1ec7n<\/li>\n
  • C\u00e1c c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 cao<\/b>: Trong c\u00e1c h\u1ec7 th\u1ed1ng c\u1ea3m bi\u1ebfn c\u00f4ng nghi\u1ec7p<\/li>\n

    <\/o1><\/p>\n

    4. Ph\u00e2n Lo\u1ea1i V\u1eadt Li\u1ec7u Giao Di\u1ec7n Nhi\u1ec7t<\/h3>\n

    C\u00f3 nhi\u1ec1u lo\u1ea1i TIM v\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh v\u00e0 c\u00f4ng d\u1ee5ng kh\u00e1c nhau. M\u1ed9t s\u1ed1 lo\u1ea1i ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n

    <\/p>\n

  • M\u1ee1 t\u1ea3n nhi\u1ec7t<\/b>: D\u1ec5 d\u00e0ng s\u1eed d\u1ee5ng v\u00e0 c\u00f3 hi\u1ec7u su\u1ea5t cao<\/li>\n
  • Mi\u1ebfng \u0111\u1ec7m t\u1ea3n nhi\u1ec7t<\/b>: \u0110\u01b0\u1ee3c l\u00e0m t\u1eeb silicone ho\u1eb7c cao su, d\u1ec5 c\u1eaft v\u00e0 l\u1eafp \u0111\u1eb7t<\/li>\n
  • B\u0103ng d\u00ednh nhi\u1ec7t<\/b>: Gi\u1ea3i ph\u00e1p k\u1ebft d\u00ednh v\u00e0 t\u1ea3n nhi\u1ec7t trong m\u1ed9t s\u1ea3n ph\u1ea9m<\/li>\n

    <\/u1><\/p>\n

    Nh\u01b0 v\u1eady, v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t kh\u00f4ng ch\u1ec9 gi\u00fap t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t t\u1ea3n nhi\u1ec7t m\u00e0 c\u00f2n b\u1ea3o v\u1ec7 v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb. Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang TIM ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 s\u1ebd \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u v\u00e0 an to\u00e0n cho c\u00e1c h\u1ec7 th\u1ed1ng.<\/p>\n","protected":false},"excerpt":{"rendered":"

    C\u00e1ch v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t c\u1ea3i thi\u1ec7n ti\u1ebfp x\u00fac: t\u00ecm hi\u1ec3u v\u1ec1 vai tr\u00f2 c\u1ee7a v\u1eadt li\u1ec7u n\u00e0y trong vi\u1ec7c t\u0103ng hi\u1ec7u su\u1ea5t truy\u1ec1n nhi\u1ec7t gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac.<\/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":"\nC\u00e1ch v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t c\u1ea3i thi\u1ec7n ti\u1ebfp x\u00fac<\/title>\n<meta name=\"description\" content=\"C\u00e1ch v\u1eadt li\u1ec7u giao di\u1ec7n nhi\u1ec7t c\u1ea3i thi\u1ec7n ti\u1ebfp x\u00fac: t\u00ecm hi\u1ec3u v\u1ec1 vai tr\u00f2 c\u1ee7a v\u1eadt li\u1ec7u n\u00e0y trong vi\u1ec7c t\u0103ng hi\u1ec7u su\u1ea5t truy\u1ec1n nhi\u1ec7t gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac.\" \/>\n<meta name=\"robots\" content=\"index, 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