{"id":694538,"date":"2024-11-13T21:55:49","date_gmt":"2024-11-13T20:55:49","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=694538"},"modified":"2024-11-13T21:55:49","modified_gmt":"2024-11-13T20:55:49","slug":"mullite-chiu-soc-nhiet-lop-lot-lo-nung","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/mullite-chiu-soc-nhiet-lop-lot-lo-nung\/","title":{"rendered":"Mullite | Ch\u1ecbu s\u1ed1c nhi\u1ec7t, L\u1edbp l\u00f3t l\u00f2 nung"},"content":{"rendered":"<p class=\"sidekick\">Mullite ch\u1ecbu s\u1ed1c nhi\u1ec7t, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u1edbp l\u00f3t l\u00f2 nung, mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 cao trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/mullite_chiu_soc_nhiet_lop_lot_lo_nung.png\" alt=\"Mullite | Ch\u1ecbu s\u1ed1c nhi\u1ec7t, L\u1edbp l\u00f3t l\u00f2 nung\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Mullite | Ch\u1ecbu S\u1ed1c Nhi\u1ec7t, L\u1edbp L\u00f3t L\u00f2 Nung<\/h2>\n<p>Mullite l\u00e0 m\u1ed9t kho\u00e1ng ch\u1ea5t g\u1ed1m c\u00f3 c\u1ea5u tr\u00fac tinh th\u1ec3 d\u1ea1ng orthorhombic, v\u1edbi c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc Al<sub>6<\/sub>Si<sub>2<\/sub>O<sub>13<\/sub>. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ea5t li\u1ec7u quan tr\u1ecdng trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao. Mullite c\u00f3 c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 nhi\u1ec7t l\u00fd \u0111\u1eb7c bi\u1ec7t, l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng cho c\u00e1c l\u1edbp l\u00f3t l\u00f2 nung v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu s\u1ed1c nhi\u1ec7t.<\/p>\n<h2>T\u00ednh Ch\u1ea5t Ch\u1ecbu S\u1ed1c Nhi\u1ec7t<\/h2>\n<p>Khi n\u00f3i \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao, Mullite n\u1ed5i b\u1eadt b\u1edfi kh\u1ea3 n\u0103ng ch\u1ecbu s\u1ed1c nhi\u1ec7t tuy\u1ec7t v\u1eddi. T\u00ednh ch\u1ea5t n\u00e0y r\u1ea5t quan tr\u1ecdng khi v\u1eadt li\u1ec7u ph\u1ea3i ch\u1ecbu \u0111\u1ef1ng nh\u1eefng bi\u1ebfn \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t. C\u1ea5u tr\u00fac tinh th\u1ec3 c\u1ee7a Mullite gi\u00fap n\u00f3 ch\u1ed1ng \u0111\u01b0\u1ee3c s\u1ef1 ph\u00e1 v\u1ee1 v\u00e0 n\u1ee9t n\u1ebb khi g\u1eb7p thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 l\u1edbn.<\/p>\n<ul>\n<li>Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y: kho\u1ea3ng 1840\u00b0C<\/li>\n<li>H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t th\u1ea5p: kho\u1ea3ng 5.3 x 10<sup>-6<\/sup>\/\u00b0C<\/li>\n<li>\u0110\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p: gi\u00fap duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao<\/li>\n<\/ul>\n<h2>\u1ee8ng D\u1ee5ng L\u1edbp L\u00f3t L\u00f2 Nung<\/h2>\n<p>Mullite th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m l\u1edbp l\u00f3t trong c\u00e1c l\u00f2 nung nh\u1edd v\u00e0o t\u00ednh ch\u1ea5t ch\u1ecbu nhi\u1ec7t v\u00e0 c\u01a1 h\u1ecdc v\u01b0\u1ee3t tr\u1ed9i. C\u00e1c l\u1edbp l\u00f3t n\u00e0y \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 c\u1ea5u tr\u00fac c\u1ee7a l\u00f2 v\u00e0 gi\u00fap duy tr\u00ec hi\u1ec7u su\u1ea5t nhi\u1ec7t. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3:<\/p>\n<ol>\n<li>L\u1edbp l\u00f3t trong c\u00e1c l\u00f2 nung g\u1ed1m s\u1ee9 v\u00e0 th\u1ee7y tinh<\/li>\n<li>L\u00f2 luy\u1ec7n kim, n\u01a1i y\u00eau c\u1ea7u nhi\u1ec7t \u0111\u1ed9 x\u1eed l\u00fd cao v\u00e0 \u1ed5n \u0111\u1ecbnh<\/li>\n<li>L\u1edbp l\u00f3t trong c\u00e1c l\u00f2 kh\u00ed h\u00f3a v\u00e0 \u0111\u1ed1t ch\u00e1y ch\u1ea5t th\u1ea3i<\/li>\n<\/ol>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>Mullite l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u ch\u1ee7 ch\u1ed1t trong k\u1ef9 thu\u1eadt nhi\u1ec7t, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u kh\u1ea3 n\u0103ng ch\u1ecbu s\u1ed1c nhi\u1ec7t v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao. V\u1edbi c\u00f4ng d\u1ee5ng r\u1ed9ng r\u00e3i trong l\u1edbp l\u00f3t l\u00f2 nung v\u00e0 nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p kh\u00e1c, Mullite kh\u00f4ng ch\u1ec9 gi\u00fap t\u0103ng c\u01b0\u1eddng tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb m\u00e0 c\u00f2n n\u00e2ng cao hi\u1ec7u su\u1ea5t c\u1ee7a quy tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mullite ch\u1ecbu s\u1ed1c nhi\u1ec7t, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u1edbp l\u00f3t l\u00f2 nung, mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 cao trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/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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