{"id":680502,"date":"2024-09-11T22:05:08","date_gmt":"2024-09-11T21:05:08","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=680502"},"modified":"2024-09-11T22:05:08","modified_gmt":"2024-09-11T21:05:08","slug":"phan-tich-nhiet-dong-thoi-sta","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/phan-tich-nhiet-dong-thoi-sta\/","title":{"rendered":"Ph\u00e2n T\u00edch Nhi\u1ec7t \u0110\u1ed3ng Th\u1eddi (STA)"},"content":{"rendered":"<p class=\"sidekick\">Ph\u00e2n T\u00edch Nhi\u1ec7t \u0110\u1ed3ng Th\u1eddi (STA) l\u00e0 quy tr\u00ecnh ph\u00e2n t\u00edch \u0111\u1ed3ng th\u1eddi nhi\u1ec7t \u0111\u1ed9 v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng, gi\u00fap hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 t\u00ednh ch\u1ea5t nhi\u1ec7t v\u1eadt li\u1ec7u trong c\u00e1c \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/phan_tich_nhiet_dong_thoi_sta.png\" alt=\"Ph\u00e2n T\u00edch Nhi\u1ec7t \u0110\u1ed3ng Th\u1eddi (STA)\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Ph\u00e2n T\u00edch Nhi\u1ec7t \u0110\u1ed3ng Th\u1eddi (STA)<\/h2>\n<p>Ph\u00e2n t\u00edch nhi\u1ec7t \u0111\u1ed3ng th\u1eddi (STA &#8211; Simultaneous Thermal Analysis) l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt quan tr\u1ecdng trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t nh\u1eb1m nghi\u00ean c\u1ee9u c\u00e1c \u0111\u1eb7c t\u00ednh nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u. C\u00e1c \u0111\u1eb7c t\u00ednh n\u00e0y bao g\u1ed3m s\u1ef1 thay \u0111\u1ed5i kh\u1ed1i l\u01b0\u1ee3ng, s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9, kh\u1ea3 n\u0103ng ch\u1ecbu l\u1eeda, \u0111\u1ed9 b\u1ec1n nhi\u1ec7t v\u00e0 c\u00e1c ph\u1ea3n \u1ee9ng nhi\u1ec7t kh\u00e1c. STA bao g\u1ed3m vi\u1ec7c k\u1ebft h\u1ee3p hai ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch ch\u00ednh: Ph\u00e2n t\u00edch nhi\u1ec7t tr\u1ecdng l\u01b0\u1ee3ng (TGA) v\u00e0 Ph\u00e2n t\u00edch nhi\u1ec7t vi sai (DTA).<\/p>\n<h2>Nguy\u00ean L\u00fd Ho\u1ea1t \u0110\u1ed9ng<\/h2>\n<p>Trong STA, m\u1eabu v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1eb7t trong m\u1ed9t thi\u1ebft b\u1ecb n\u01a1i n\u00f3 tr\u1ea3i qua m\u1ed9t qu\u00e1 tr\u00ecnh nhi\u1ec7t luy\u1ec7n. Thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng c\u00e1c thay \u0111\u1ed5i v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a m\u1eabu trong su\u1ed1t qu\u00e1 tr\u00ecnh n\u00e0y. \u0110i\u1ec1u n\u00e0y gi\u00fap ta hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1c ph\u1ea3n \u1ee9ng v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc x\u1ea3y ra khi m\u1eabu b\u1ecb nung n\u00f3ng ho\u1eb7c l\u00e0m ngu\u1ed9i.<\/p>\n<p><o1><\/p>\n<li><b>Ph\u00e2n t\u00edch nhi\u1ec7t tr\u1ecdng l\u01b0\u1ee3ng (TGA):<\/b> \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0\u1eddng s\u1ef1 thay \u0111\u1ed5i kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t m\u1eabu khi n\u00f3 b\u1ecb nung n\u00f3ng trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng ki\u1ec3m so\u00e1t. S\u1ef1 m\u1ea5t kh\u1ed1i l\u01b0\u1ee3ng th\u01b0\u1eddng \u0111i k\u00e8m v\u1edbi s\u1ef1 b\u1ed1c h\u01a1i c\u1ee7a n\u01b0\u1edbc ho\u1eb7c c\u00e1c h\u1ee3p ch\u1ea5t kh\u00e1c, s\u1ef1 ph\u00e2n h\u1ee7y nhi\u1ec7t v\u00e0 oxi h\u00f3a.<\/li>\n<li><b>Ph\u00e2n t\u00edch nhi\u1ec7t vi sai (DTA):<\/b> Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111o l\u01b0\u1eddng s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa m\u1eabu v\u00e0 m\u1ed9t m\u1eabu tham chi\u1ebfu khi c\u1ea3 hai \u0111\u01b0\u1ee3c nung n\u00f3ng. DTA gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c qu\u00e1 tr\u00ecnh nhi\u1ec7t nh\u01b0 s\u1ef1 n\u00f3ng ch\u1ea3y, k\u1ebft tinh, h\u00f3a h\u01a1i v\u00e0 c\u00e1c ph\u1ea3n \u1ee9ng nhi\u1ec7t kh\u00e1c.<\/li>\n<p><\/o1><\/p>\n<h2>\u1ee8ng D\u1ee5ng Th\u1ef1c Ti\u1ec5n<\/h2>\n<p>Ph\u00e2n t\u00edch nhi\u1ec7t \u0111\u1ed3ng th\u1eddi c\u00f3 r\u1ea5t nhi\u1ec1u \u1ee9ng d\u1ee5ng quan tr\u1ecdng trong c\u00f4ng nghi\u1ec7p v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t v\u00e0i v\u00ed d\u1ee5 c\u1ee5 th\u1ec3:<\/p>\n<p><u1><\/p>\n<li><b>Ng\u00e0nh Nh\u1ef1a:<\/b> STA \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111\u1eb7c t\u00ednh nhi\u1ec7t c\u1ee7a c\u00e1c lo\u1ea1i nh\u1ef1a v\u00e0 h\u1ee3p ch\u1ea5t polymer. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u1ea3i thi\u1ec7n quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 b\u1ea3o \u0111\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m.<\/li>\n<li><b>Ng\u00e0nh Xi M\u0103ng:<\/b> Ph\u00e2n t\u00edch c\u00e1c ph\u1ea3n \u1ee9ng nhi\u1ec7t trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t xi m\u0103ng gi\u00fap t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t l\u00f2 nung v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a xi m\u0103ng.<\/li>\n<li><b>Ng\u00e0nh D\u01b0\u1ee3c Ph\u1ea9m:<\/b> STA gi\u00fap ki\u1ec3m tra s\u1ef1 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a c\u00e1c h\u00f3a ch\u1ea5t v\u00e0 d\u01b0\u1ee3c ph\u1ea9m. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m y t\u1ebf.<\/li>\n<li><b>Ng\u00e0nh Pin:<\/b> Trong l\u0129nh v\u1ef1c n\u0103ng l\u01b0\u1ee3ng, STA \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 nghi\u00ean c\u1ee9u c\u00e1c v\u1eadt li\u1ec7u d\u00f9ng cho pin v\u00e0 pin nhi\u00ean li\u1ec7u, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 an to\u00e0n c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng.<\/li>\n<p><\/u1><\/p>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>Ph\u00e2n t\u00edch nhi\u1ec7t \u0111\u1ed3ng th\u1eddi (STA) l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd v\u00e0 \u0111a d\u1ee5ng trong k\u1ef9 thu\u1eadt nhi\u1ec7t. B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p TGA v\u00e0 DTA, STA cung c\u1ea5p m\u1ed9t b\u1ee9c tranh to\u00e0n di\u1ec7n v\u1ec1 c\u00e1c \u0111\u1eb7c t\u00ednh nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u, gi\u00fap c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u v\u00e0 k\u1ef9 s\u01b0 ph\u00e1t tri\u1ec3n v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c s\u1ea3n ph\u1ea9m v\u00e0 quy tr\u00ecnh c\u00f4ng nghi\u1ec7p m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 h\u01a1n. t\u1eeb \u0111\u00f3, \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n c\u1ee7a STA kh\u00f4ng ch\u1ec9 d\u1eebng l\u1ea1i \u1edf nghi\u00ean c\u1ee9u m\u00e0 c\u00f2n mang l\u1ea1i l\u1ee3i \u00edch to l\u1edbn cho nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ph\u00e2n T\u00edch Nhi\u1ec7t \u0110\u1ed3ng Th\u1eddi (STA) l\u00e0 quy tr\u00ecnh ph\u00e2n t\u00edch \u0111\u1ed3ng th\u1eddi nhi\u1ec7t \u0111\u1ed9 v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng, gi\u00fap hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 t\u00ednh ch\u1ea5t nhi\u1ec7t v\u1eadt li\u1ec7u trong c\u00e1c \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt.<\/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>Ph\u00e2n T\u00edch Nhi\u1ec7t \u0110\u1ed3ng Th\u1eddi (STA)<\/title>\n<meta name=\"description\" content=\"Ph\u00e2n T\u00edch Nhi\u1ec7t \u0110\u1ed3ng Th\u1eddi (STA) l\u00e0 quy tr\u00ecnh ph\u00e2n t\u00edch \u0111\u1ed3ng th\u1eddi nhi\u1ec7t \u0111\u1ed9 v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng, gi\u00fap hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 t\u00ednh ch\u1ea5t nhi\u1ec7t v\u1eadt li\u1ec7u trong c\u00e1c \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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