{"id":678590,"date":"2024-08-01T15:45:22","date_gmt":"2024-08-01T14:45:22","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=678590"},"modified":"2024-08-01T15:45:22","modified_gmt":"2024-08-01T14:45:22","slug":"kiem-tra-soc-nhiet-co-the-du-doan-tuoi-tho-vat-lieu-khong","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/kiem-tra-soc-nhiet-co-the-du-doan-tuoi-tho-vat-lieu-khong\/","title":{"rendered":"Ki\u1ec3m tra s\u1ed1c nhi\u1ec7t c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n tu\u1ed5i th\u1ecd v\u1eadt li\u1ec7u kh\u00f4ng?"},"content":{"rendered":"<p class=\"sidekick\">Ki\u1ec3m tra s\u1ed1c nhi\u1ec7t c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n tu\u1ed5i th\u1ecd v\u1eadt li\u1ec7u kh\u00f4ng? B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch ph\u01b0\u01a1ng ph\u00e1p v\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a ki\u1ec3m tra s\u1ed1c nhi\u1ec7t trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/kiem_tra_soc_nhiet_co_the_du_doan_tuoi_tho_vat_lieu_khong.png\" alt=\"Ki\u1ec3m tra s\u1ed1c nhi\u1ec7t c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n tu\u1ed5i th\u1ecd v\u1eadt li\u1ec7u kh\u00f4ng?\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Ki\u1ec3m tra s\u1ed1c nhi\u1ec7t c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n tu\u1ed5i th\u1ecd v\u1eadt li\u1ec7u kh\u00f4ng?<\/h2>\n<p>Ki\u1ec3m tra s\u1ed1c nhi\u1ec7t l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p quan tr\u1ecdng trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t d\u00f9ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng c\u1ee7a v\u1eadt li\u1ec7u d\u01b0\u1edbi s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t. Nh\u01b0ng li\u1ec7u ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c tu\u1ed5i th\u1ecd c\u1ee7a v\u1eadt li\u1ec7u hay kh\u00f4ng?<\/p>\n<h2>Ki\u1ec3m tra s\u1ed1c nhi\u1ec7t l\u00e0 g\u00ec?<\/h2>\n<p>Ki\u1ec3m tra s\u1ed1c nhi\u1ec7t (Thermal Shock Testing) l\u00e0 qu\u00e1 tr\u00ecnh l\u00e0m n\u00f3ng v\u00e0 l\u00e0m l\u1ea1nh m\u1ed9t v\u1eadt li\u1ec7u m\u1ed9t c\u00e1ch \u0111\u1ed9t ng\u1ed9t \u0111\u1ec3 xem x\u00e9t kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng c\u1ee7a n\u00f3. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch \u0111\u01b0a v\u1eadt li\u1ec7u t\u1eeb m\u1ed9t m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 r\u1ea5t cao v\u00e0o m\u1ed9t m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 r\u1ea5t th\u1ea5p, ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n<h2>T\u1ea1i sao ki\u1ec3m tra s\u1ed1c nhi\u1ec7t quan tr\u1ecdng?<\/h2>\n<ul>\n<li>\u0110\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u: Gi\u00fap x\u00e1c \u0111\u1ecbnh xem v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ee7 m\u1ea1nh \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i b\u1ea5t ng\u1edd hay kh\u00f4ng.<\/li>\n<li>Ph\u00e1t hi\u1ec7n l\u1ed7i: C\u00e1c v\u1ebft n\u1ee9t ho\u1eb7c h\u1ecfng h\u00f3c c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n khi v\u1eadt li\u1ec7u kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ed1c nhi\u1ec7t.<\/li>\n<li>D\u1ef1 \u0111o\u00e1n hi\u1ec7u su\u1ea5t: Gi\u00fap \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u trong \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf.<\/li>\n<\/ul>\n<h2>Li\u1ec7u ki\u1ec3m tra s\u1ed1c nhi\u1ec7t c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n tu\u1ed5i th\u1ecd v\u1eadt li\u1ec7u kh\u00f4ng?<\/h2>\n<p>Kh\u1ea3 n\u0103ng d\u1ef1 \u0111o\u00e1n tu\u1ed5i th\u1ecd c\u1ee7a v\u1eadt li\u1ec7u th\u00f4ng qua ki\u1ec3m tra s\u1ed1c nhi\u1ec7t ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1:<\/p>\n<h3>1. \u0110\u1eb7c \u0111i\u1ec3m v\u1eadt li\u1ec7u<\/h3>\n<p>M\u1ed7i lo\u1ea1i v\u1eadt li\u1ec7u c\u00f3 t\u00ednh ch\u1ea5t nhi\u1ec7t kh\u00e1c nhau. V\u00ed d\u1ee5, kim lo\u1ea1i th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao v\u00e0 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ed1c nhi\u1ec7t t\u1ed1t h\u01a1n so v\u1edbi g\u1ed1m s\u1ee9.<\/p>\n<h3>2. \u0110i\u1ec1u ki\u1ec7n ki\u1ec3m tra<\/h3>\n<p>C\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 nhi\u1ec7t \u0111\u1ed9, t\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 v\u00e0 s\u1ed1 l\u01b0\u1ee3ng chu k\u1ef3 s\u1ed1c nhi\u1ec7t c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 ki\u1ec3m tra.<\/p>\n<h3>3. M\u00f4 h\u00ecnh d\u1ef1 \u0111o\u00e1n<\/h3>\n<p>C\u00e1c m\u00f4 h\u00ecnh to\u00e1n h\u1ecdc v\u00e0 th\u1ed1ng k\u00ea c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n tu\u1ed5i th\u1ecd c\u1ee7a v\u1eadt li\u1ec7u d\u1ef1a tr\u00ean d\u1eef li\u1ec7u t\u1eeb ki\u1ec3m tra s\u1ed1c nhi\u1ec7t. \u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a nh\u1eefng m\u00f4 h\u00ecnh n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 tin c\u1eady c\u1ee7a d\u1eef li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c.<\/p>\n<h2>Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra s\u1ed1c nhi\u1ec7t<\/h2>\n<ul>\n<li>L\u00e0m n\u00f3ng \u0111\u1ed9t ng\u1ed9t: \u0110\u01b0a v\u1eadt li\u1ec7u t\u1eeb nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng v\u00e0o l\u00f2 nung \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n<li>L\u00e0m l\u1ea1nh \u0111\u1ed9t ng\u1ed9t: \u0110\u01b0a v\u1eadt li\u1ec7u n\u00f3ng t\u1eeb l\u00f2 nung v\u00e0o m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 r\u1ea5t th\u1ea5p, nh\u01b0 n\u01b0\u1edbc \u0111\u00e1.<\/li>\n<li>Chu k\u1ef3 nhi\u1ec7t: \u0110\u01b0a v\u1eadt li\u1ec7u qua nhi\u1ec1u chu k\u1ef3 l\u00e0m n\u00f3ng v\u00e0 l\u00e0m l\u1ea1nh \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 s\u1ef1 thay \u0111\u1ed5i theo th\u1eddi gian.<\/li>\n<\/ul>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>Ki\u1ec3m tra s\u1ed1c nhi\u1ec7t l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 h\u1eefu \u00edch trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng c\u1ee7a v\u1eadt li\u1ec7u d\u01b0\u1edbi \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t. M\u1eb7c d\u00f9 kh\u00f4ng th\u1ec3 tr\u1ef1c ti\u1ebfp d\u1ef1 \u0111o\u00e1n tu\u1ed5i th\u1ecd c\u1ee7a v\u1eadt li\u1ec7u, ki\u1ec3m tra s\u1ed1c nhi\u1ec7t cung c\u1ea5p c\u00e1c d\u1eef li\u1ec7u quan tr\u1ecdng \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c m\u00f4 h\u00ecnh d\u1ef1 \u0111o\u00e1n tu\u1ed5i th\u1ecd d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee5 th\u1ec3 c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ki\u1ec3m tra s\u1ed1c nhi\u1ec7t c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n tu\u1ed5i th\u1ecd v\u1eadt li\u1ec7u kh\u00f4ng? B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch ph\u01b0\u01a1ng ph\u00e1p v\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a ki\u1ec3m tra s\u1ed1c nhi\u1ec7t trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u.<\/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>Ki\u1ec3m tra s\u1ed1c nhi\u1ec7t c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n tu\u1ed5i th\u1ecd v\u1eadt li\u1ec7u kh\u00f4ng?<\/title>\n<meta name=\"description\" content=\"Ki\u1ec3m tra s\u1ed1c nhi\u1ec7t c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n tu\u1ed5i th\u1ecd v\u1eadt li\u1ec7u kh\u00f4ng? 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