{"id":674029,"date":"2024-10-02T15:55:46","date_gmt":"2024-10-02T14:55:46","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=674029"},"modified":"2024-10-02T15:55:46","modified_gmt":"2024-10-02T14:55:46","slug":"anh-huong-cua-soc-nhiet-den-vat-lieu","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/anh-huong-cua-soc-nhiet-den-vat-lieu\/","title":{"rendered":"\u1ea2nh h\u01b0\u1edfng c\u1ee7a s\u1ed1c nhi\u1ec7t \u0111\u1ebfn v\u1eadt li\u1ec7u"},"content":{"rendered":"<p class=\"sidekick\">\u1ea2nh h\u01b0\u1edfng c\u1ee7a s\u1ed1c nhi\u1ec7t \u0111\u1ebfn v\u1eadt li\u1ec7u: C\u00e1ch nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i nhanh ch\u00f3ng g\u00e2y ra c\u0103ng th\u1eb3ng, l\u00e0m n\u1ee9t g\u00e3y v\u00e0 bi\u1ebfn d\u1ea1ng v\u1eadt li\u1ec7u, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n v\u00e0 tu\u1ed5i th\u1ecd.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/anh_huong_cua_soc_nhiet_den_vat_lieu.png\" alt=\"\u1ea2nh h\u01b0\u1edfng c\u1ee7a s\u1ed1c nhi\u1ec7t \u0111\u1ebfn v\u1eadt li\u1ec7u\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u1ea2nh h\u01b0\u1edfng c\u1ee7a s\u1ed1c nhi\u1ec7t \u0111\u1ebfn v\u1eadt li\u1ec7u<\/h2>\n<p>S\u1ed1c nhi\u1ec7t l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t, c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn v\u1eadt li\u1ec7u. Khi v\u1eadt li\u1ec7u b\u1ecb s\u1ed1c nhi\u1ec7t, ch\u00fang ph\u1ea3i ch\u1ecbu c\u00e1c bi\u1ebfn \u0111\u1ed5i v\u1ec1 nhi\u1ec7t \u0111\u1ed9 trong kho\u1ea3ng th\u1eddi gian ng\u1eafn, g\u00e2y ra nh\u1eefng \u1ee9ng su\u1ea5t n\u1ed9i b\u00ean trong v\u1eadt li\u1ec7u. Nh\u1eefng \u1ee9ng su\u1ea5t n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nhi\u1ec1u h\u1eadu qu\u1ea3 n\u1eb7ng n\u1ec1, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u trong ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 x\u00e2y d\u1ef1ng.<\/p>\n<h2>1. Nguy\u00ean nh\u00e2n g\u00e2y ra s\u1ed1c nhi\u1ec7t<\/h2>\n<ul>\n<li>Thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng: Khi m\u00f4i tr\u01b0\u1eddng xung quanh thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 nhanh ch\u00f3ng.<\/li>\n<li>Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t: C\u00e1c giai \u0111o\u1ea1n nh\u01b0 gia c\u00f4ng, h\u00e0n ho\u1eb7c l\u00e0m ngu\u1ed9i trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p.<\/li>\n<li>T\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb: S\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb nhi\u1ec7t nh\u01b0 l\u00f2 n\u01b0\u1edbng ho\u1eb7c m\u00e1y l\u00e0m l\u1ea1nh.<\/li>\n<\/ul>\n<h2>2. C\u00e1c lo\u1ea1i \u1ee9ng su\u1ea5t do s\u1ed1c nhi\u1ec7t<\/h2>\n<p>V\u1eadt li\u1ec7u c\u00f3 th\u1ec3 tr\u1ea3i qua hai lo\u1ea1i \u1ee9ng su\u1ea5t ch\u00ednh do s\u1ed1c nhi\u1ec7t:<\/p>\n<ol>\n<li><b>\u1ee8ng su\u1ea5t k\u00e9o:<\/b> X\u1ea3y ra khi b\u1ec1 m\u1eb7t c\u1ee7a v\u1eadt li\u1ec7u gi\u00e3n n\u1edf nhanh ch\u00f3ng trong khi ph\u1ea7n b\u00ean trong ch\u01b0a k\u1ecbp gi\u00e3n ra c\u00f9ng t\u1ed1c \u0111\u1ed9.<\/li>\n<li><b>\u1ee8ng su\u1ea5t n\u00e9n:<\/b> X\u1ea3y ra khi b\u1ec1 m\u1eb7t c\u1ee7a v\u1eadt li\u1ec7u co l\u1ea1i nhanh ch\u00f3ng trong khi ph\u1ea7n b\u00ean trong ch\u01b0a k\u1ecbp co theo.<\/li>\n<\/ol>\n<p>C\u00e1c \u1ee9ng su\u1ea5t n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c v\u1ebft n\u1ee9t ho\u1eb7c th\u1eadm ch\u00ed l\u00e0m v\u1ee1 v\u1eadt li\u1ec7u, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi c\u00e1c v\u1eadt li\u1ec7u gi\u00f2n nh\u01b0 g\u1ed1m s\u1ee9 v\u00e0 th\u1ee7y tinh.<\/p>\n<h2>3. C\u00e1c hi\u1ec7n t\u01b0\u1ee3ng ti\u00eau bi\u1ec3u do s\u1ed1c nhi\u1ec7t<\/h2>\n<ul>\n<li><u>V\u1ebft n\u1ee9t do nhi\u1ec7t:<\/u> Do s\u1ef1 ch\u00eanh l\u1ec7ch \u1ee9ng su\u1ea5t gi\u1eefa b\u1ec1 m\u1eb7t v\u00e0 b\u00ean trong v\u1eadt li\u1ec7u.<\/li>\n<li><u>S\u1ef1 g\u1eaby v\u1ee1:<\/u> N\u1ebfu \u1ee9ng su\u1ea5t v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n ch\u1ecbu \u0111\u1ef1ng c\u1ee7a v\u1eadt li\u1ec7u, ch\u00fang c\u00f3 th\u1ec3 b\u1ecb g\u00e3y ho\u1eb7c v\u1ee1.<\/li>\n<li><u>Gi\u1ea3m tu\u1ed5i th\u1ecd:<\/u> S\u1ed1c nhi\u1ec7t li\u00ean t\u1ee5c c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m tu\u1ed5i th\u1ecd c\u1ee7a v\u1eadt li\u1ec7u, do c\u00e1c v\u1ebft n\u1ee9t t\u0103ng d\u1ea7n theo th\u1eddi gian.<\/li>\n<\/ul>\n<h2>4. C\u00e1ch ph\u00f2ng tr\u00e1nh v\u00e0 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a s\u1ed1c nhi\u1ec7t<\/h2>\n<p>\u0110\u1ec3 tr\u00e1nh v\u00e0 gi\u1ea3m thi\u1ec3u c\u00e1c t\u00e1c \u0111\u1ed9ng c\u1ee7a s\u1ed1c nhi\u1ec7t \u0111\u1ebfn v\u1eadt li\u1ec7u, c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p sau:<\/p>\n<ol>\n<li><b>Thi\u1ebft k\u1ebf h\u1ee3p l\u00fd:<\/b> Khi thi\u1ebft k\u1ebf c\u00e1c s\u1ea3n ph\u1ea9m, c\u1ea7n t\u00ednh \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng c\u1ee7a v\u1eadt li\u1ec7u trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t.<\/li>\n<li><b>Ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh nhi\u1ec7t:<\/b> \u0110i\u1ec1u h\u00f2a t\u1ed1c \u0111\u1ed9 gia nhi\u1ec7t ho\u1eb7c l\u00e0m ngu\u1ed9i \u0111\u1ec3 tr\u00e1nh s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t.<\/li>\n<li><b>S\u1eed d\u1ee5ng v\u1eadt li\u1ec7u ch\u1ecbu nhi\u1ec7t:<\/b> L\u1ef1a ch\u1ecdn c\u00e1c v\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng t\u1ed1t h\u01a1n trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn \u0111\u1ed5i nhanh ch\u00f3ng.<\/li>\n<li><b>\u0110\u00e0o t\u1ea1o v\u00e0 quan s\u00e1t:<\/b> \u0110\u00e0o t\u1ea1o nh\u00e2n vi\u00ean v\u1ec1 c\u00e1c nguy hi\u1ec3m c\u1ee7a s\u1ed1c nhi\u1ec7t v\u00e0 th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c d\u1ea5u hi\u1ec7u h\u01b0 h\u1ecfng.<\/li>\n<\/ol>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>S\u1ed1c nhi\u1ec7t l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng t\u1ef1 nhi\u00ean nh\u01b0ng c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn v\u1eadt li\u1ec7u. Hi\u1ec3u r\u00f5 nguy\u00ean nh\u00e2n v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a s\u1ed1c nhi\u1ec7t l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng \u0111\u1ec3 b\u1ea3o v\u1ec7 v\u00e0 duy tr\u00ec \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng. B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u00e1nh h\u1ee3p l\u00fd, ch\u00fang ta c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u nh\u1eefng t\u1ed5n h\u1ea1i do s\u1ed1c nhi\u1ec7t g\u00e2y ra v\u00e0 t\u0103ng c\u01b0\u1eddng tu\u1ed5i th\u1ecd c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u1ea2nh h\u01b0\u1edfng c\u1ee7a s\u1ed1c nhi\u1ec7t \u0111\u1ebfn v\u1eadt li\u1ec7u: C\u00e1ch nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i nhanh ch\u00f3ng g\u00e2y ra c\u0103ng th\u1eb3ng, l\u00e0m n\u1ee9t g\u00e3y v\u00e0 bi\u1ebfn d\u1ea1ng v\u1eadt li\u1ec7u, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n v\u00e0 tu\u1ed5i th\u1ecd.<\/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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