{"id":694443,"date":"2024-10-05T19:14:17","date_gmt":"2024-10-05T18:14:17","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=694443"},"modified":"2024-10-05T19:14:17","modified_gmt":"2024-10-05T18:14:17","slug":"soi-thep-khong-gi-kha-nang-chiu-nhiet-gia-co-be-tong","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/soi-thep-khong-gi-kha-nang-chiu-nhiet-gia-co-be-tong\/","title":{"rendered":"S\u1ee3i Th\u00e9p Kh\u00f4ng G\u1ec9 | Kh\u1ea3 N\u0103ng Ch\u1ecbu Nhi\u1ec7t, Gia C\u1ed1 B\u00ea T\u00f4ng"},"content":{"rendered":"<p class=\"sidekick\">S\u1ee3i Th\u00e9p Kh\u00f4ng G\u1ec9 | Kh\u1ea3 N\u0103ng Ch\u1ecbu Nhi\u1ec7t, Gia C\u1ed1 B\u00ea T\u00f4ng: Kh\u00e1m ph\u00e1 t\u00ednh n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng s\u1ee3i th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u1ec3 gia c\u1ed1 k\u1ebft c\u1ea5u b\u00ea t\u00f4ng hi\u1ec7u qu\u1ea3.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/soi_thep_khong_gi_kha_nang_chiu_nhiet_gia_co_be_tong.png\" alt=\"S\u1ee3i Th\u00e9p Kh\u00f4ng G\u1ec9 | Kh\u1ea3 N\u0103ng Ch\u1ecbu Nhi\u1ec7t, Gia C\u1ed1 B\u00ea T\u00f4ng\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>S\u1ee3i Th\u00e9p Kh\u00f4ng G\u1ec9 | Kh\u1ea3 N\u0103ng Ch\u1ecbu Nhi\u1ec7t, Gia C\u1ed1 B\u00ea T\u00f4ng<\/h2>\n<p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t v\u00e0 x\u00e2y d\u1ef1ng, s\u1ee3i th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn nh\u1edd kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t v\u00e0 \u1ee9ng d\u1ee5ng hi\u1ec7u qu\u1ea3 trong vi\u1ec7c gia c\u1ed1 b\u00ea t\u00f4ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd ph\u00e2n t\u00edch chi ti\u1ebft hai kh\u00eda c\u1ea1nh n\u00e0y v\u00e0 n\u00eau b\u1eadt c\u00e1c \u0111\u1eb7c t\u00ednh n\u1ed5i tr\u1ed9i c\u1ee7a s\u1ee3i th\u00e9p kh\u00f4ng g\u1ec9.<\/p>\n<h3>Kh\u1ea3 N\u0103ng Ch\u1ecbu Nhi\u1ec7t<\/h3>\n<ul>\n<li><b>Ch\u1ed1ng Oxy H\u00f3a:<\/b> Th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 ch\u1ee9a c\u00e1c nguy\u00ean t\u1ed1 nh\u01b0 chromium (Cr) v\u00e0 nickel (Ni), gi\u00fap n\u00f3 kh\u00f4ng b\u1ecb oxy h\u00f3a khi ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao. Chromium t\u1ea1o ra m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 oxit tr\u00ean b\u1ec1 m\u1eb7t s\u1ee3i th\u00e9p, ng\u0103n kh\u00f4ng cho oxy t\u00e1c \u0111\u1ed9ng s\u00e2u v\u00e0o b\u00ean trong kim lo\u1ea1i.<\/li>\n<li><b>\u0110\u1ed9 \u1ed4n \u0110\u1ecbnh C\u01a1 H\u1ecdc:<\/b> \u1ede nhi\u1ec7t \u0111\u1ed9 cao, th\u00e9p kh\u00f4ng g\u1ec9 v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n v\u00e0 s\u1ee9c m\u1ea1nh c\u1ee7a m\u00ecnh, kh\u00f4ng b\u1ecb gi\u00f2n hay m\u1ec1m \u0111i nh\u01b0 nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c. Nhi\u1ec7t \u0111\u1ed9 m\u00e0 n\u00f3 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng th\u01b0\u1eddng l\u00ean \u0111\u1ebfn 800-900\u00b0C, t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i h\u1ee3p kim c\u1ee5 th\u1ec3.<\/li>\n<li><b>\u1ee8ng D\u1ee5ng Th\u1ef1c Ti\u1ec5n:<\/b> Ch\u00ednh kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t l\u00e0m cho s\u1ee3i th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng nhi\u1ec1u trong c\u00e1c h\u1ec7 th\u1ed1ng l\u00f2 nung, n\u1ed3i h\u01a1i, v\u00e0 c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p kh\u00e1c c\u1ea7n ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n<\/ul>\n<h3>Gia C\u1ed1 B\u00ea T\u00f4ng<\/h3>\n<p>S\u1ee3i th\u00e9p kh\u00f4ng g\u1ec9 kh\u00f4ng ch\u1ec9 n\u1ed5i b\u1eadt \u1edf kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, m\u00e0 c\u00f2n l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u \u0111\u1ec3 gia c\u1ed1 b\u00ea t\u00f4ng, n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 tu\u1ed5i th\u1ecd c\u00f4ng tr\u00ecnh.<\/p>\n<ol>\n<li><b>T\u00ednh N\u0103ng Kh\u00e1ng M\u00e0i M\u00f2n:<\/b> Th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao, gi\u00fap n\u00e2ng cao \u0111\u1ed9 b\u1ec1n cho b\u00ea t\u00f4ng, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c c\u00f3 h\u00f3a ch\u1ea5t \u0103n m\u00f2n.<\/li>\n<li><b>T\u0103ng C\u01b0\u1eddng \u0110\u1ed9 B\u1ec1n C\u01a1 H\u1ecdc:<\/b> Khi s\u1ee3i th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u01b0\u1ee3c tr\u1ed9n v\u00e0o b\u00ea t\u00f4ng, n\u00f3 gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n c\u1ee7a b\u00ea t\u00f4ng, l\u00e0m cho c\u00e1c c\u00f4ng tr\u00ecnh ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng l\u1edbn h\u01a1n.<\/li>\n<li><b>Gi\u1ea3m R\u1ee7i Ro N\u1ee9t:<\/b> S\u1ee3i th\u00e9p kh\u00f4ng g\u1ec9 t\u1ea1o ra m\u1ed9t m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i \u0111\u1ec1u trong b\u00ea t\u00f4ng, gi\u00fap gi\u1ea3m thi\u1ec3u r\u1ee7i ro n\u1ee9t n\u1ebb trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng v\u00e0 gi\u00fap c\u00f4ng tr\u00ecnh duy tr\u00ec h\u00ecnh d\u1ea1ng ban \u0111\u1ea7u l\u00e2u h\u01a1n.<\/li>\n<\/ol>\n<h3>K\u1ebft Lu\u1eadn<\/h3>\n<p>S\u1ee3i th\u00e9p kh\u00f4ng g\u1ec9 v\u1edbi kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 t\u00e1c d\u1ee5ng gia c\u1ed1 b\u00ea t\u00f4ng l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn h\u1eefu \u00edch cho nhi\u1ec1u \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u00e0 x\u00e2y d\u1ef1ng. Nh\u1edd c\u00e1c \u0111\u1eb7c t\u00ednh \u01b0u vi\u1ec7t n\u00e0y, n\u00f3 \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong thi\u1ebft k\u1ebf v\u00e0 thi c\u00f4ng c\u00e1c c\u00f4ng tr\u00ecnh hi\u1ec7n \u0111\u1ea1i.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>S\u1ee3i Th\u00e9p Kh\u00f4ng G\u1ec9 | Kh\u1ea3 N\u0103ng Ch\u1ecbu Nhi\u1ec7t, Gia C\u1ed1 B\u00ea T\u00f4ng: Kh\u00e1m ph\u00e1 t\u00ednh n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng s\u1ee3i th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u1ec3 gia c\u1ed1 k\u1ebft c\u1ea5u b\u00ea t\u00f4ng hi\u1ec7u qu\u1ea3.<\/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\/ 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