{"id":694114,"date":"2024-09-08T04:12:54","date_gmt":"2024-09-08T03:12:54","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=694114"},"modified":"2024-09-08T04:12:54","modified_gmt":"2024-09-08T03:12:54","slug":"polyme-gia-co-soi-carbon-nhe-on-dinh-nhiet","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/polyme-gia-co-soi-carbon-nhe-on-dinh-nhiet\/","title":{"rendered":"Polyme gia c\u1ed1 s\u1ee3i carbon | Nh\u1eb9, \u1ed5n \u0111\u1ecbnh nhi\u1ec7t"},"content":{"rendered":"<p class=\"sidekick\">Polyme gia c\u1ed1 s\u1ee3i carbon | Nh\u1eb9, \u1ed5n \u0111\u1ecbnh nhi\u1ec7t: T\u00ecm hi\u1ec3u v\u1ec1 v\u1eadt li\u1ec7u ti\u00ean ti\u1ebfn n\u00e0y trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, l\u1ee3i \u00edch v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong \u0111\u1eddi s\u1ed1ng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/polyme_gia_co_soi_carbon_nhe_on_dinh_nhiet.png\" alt=\"Polyme gia c\u1ed1 s\u1ee3i carbon | Nh\u1eb9, \u1ed5n \u0111\u1ecbnh nhi\u1ec7t\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Polyme gia c\u1ed1 s\u1ee3i carbon | Nh\u1eb9, \u1ed5n \u0111\u1ecbnh nhi\u1ec7t<\/h2>\n<p>Polyme gia c\u1ed1 s\u1ee3i carbon (CFRP &#8211; Carbon Fiber Reinforced Polymer) l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u composite \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb polyme v\u00e0 s\u1ee3i carbon. Nh\u1edd v\u00e0o s\u1ef1 k\u1ebft h\u1ee3p n\u00e0y, CFRP c\u00f3 nh\u1eefng \u0111\u1eb7c t\u00ednh \u01b0u vi\u1ec7t nh\u01b0 nh\u1eb9 v\u00e0 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t, gi\u00fap n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt cao.<\/p>\n<h3>\u0110\u1eb7c t\u00ednh c\u1ee7a polyme gia c\u1ed1 s\u1ee3i carbon<\/h3>\n<ul>\n<li><b>Tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9:<\/b> S\u1ee3i carbon c\u00f3 m\u1eadt \u0111\u1ed9 th\u1ea5p h\u01a1n th\u00e9p v\u00e0 nh\u00f4m, do \u0111\u00f3 khi \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o polyme, s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng nh\u1eb9 h\u01a1n r\u1ea5t nhi\u1ec1u. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p h\u00e0ng kh\u00f4ng v\u00e0 xe h\u01a1i, n\u01a1i vi\u1ec7c gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng c\u00f3 th\u1ec3 t\u0103ng hi\u1ec7u qu\u1ea3 ti\u00eau th\u1ee5 nhi\u00ean li\u1ec7u.<\/li>\n<li><b>\u0110\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc cao:<\/b> S\u1ee3i carbon c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o r\u1ea5t cao, gi\u00fap CFRP c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c l\u1edbn m\u00e0 kh\u00f4ng b\u1ecb g\u00e3y. \u0110i\u1ec1u n\u00e0y l\u00e0m t\u0103ng \u0111\u1ed9 b\u1ec1n v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m l\u00e0m t\u1eeb CFRP.<\/li>\n<li><b>\u1ed4n \u0111\u1ecbnh nhi\u1ec7t:<\/b> CFRP c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t, kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng hay m\u1ea5t \u0111i t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc \u1edf nhi\u1ec7t \u0111\u1ed9 cao. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng trong c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn nhi\u1ec7t v\u00e0 v\u1ecf \u0111\u1ed9ng c\u01a1.<\/li>\n<\/ul>\n<h3>\u1ee8ng d\u1ee5ng c\u1ee7a polyme gia c\u1ed1 s\u1ee3i carbon<\/h3>\n<p>Nh\u1edd v\u00e0o nh\u1eefng \u0111\u1eb7c t\u00ednh \u01b0u vi\u1ec7t, CFRP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c:<\/p>\n<ol>\n<li><b>Ng\u00e0nh h\u00e0ng kh\u00f4ng:<\/b> CFRP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u1ea5u tr\u00fac c\u1ee7a m\u00e1y bay \u0111\u1ec3 gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 t\u0103ng \u0111\u1ed9 b\u1ec1n. C\u00e1c b\u1ed9 ph\u1eadn nh\u01b0 c\u00e1nh m\u00e1y bay, th\u00e2n m\u00e1y bay v\u00e0 b\u1ed9 ph\u1eadn h\u1ea1 c\u00e1nh \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb CFRP.<\/li>\n<li><b>Ng\u00e0nh \u00f4 t\u00f4:<\/b> C\u00e1c h\u00e3ng xe cao c\u1ea5p th\u01b0\u1eddng s\u1eed d\u1ee5ng CFRP \u0111\u1ec3 gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a xe, \u0111i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap t\u0103ng hi\u1ec7u su\u1ea5t m\u00e0 c\u00f2n gi\u1ea3m m\u1ee9c ti\u00eau hao nhi\u00ean li\u1ec7u. Nh\u1eefng chi ti\u1ebft nh\u01b0 v\u1ecf xe, khung xe v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn truy\u1ec1n \u0111\u1ed9ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb CFRP.<\/li>\n<li><b>Th\u1ec3 thao:<\/b> CFRP xu\u1ea5t hi\u1ec7n r\u1ea5t nhi\u1ec1u trong c\u00e1c thi\u1ebft b\u1ecb th\u1ec3 thao nh\u01b0 xe \u0111\u1ea1p, v\u1ee3t tennis v\u00e0 g\u1eady golf nh\u1edd v\u00e0o tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 v\u00e0 \u0111\u1ed9 b\u1ec1n cao c\u1ee7a n\u00f3.<\/li>\n<li><b>C\u00f4ng nghi\u1ec7p x\u00e2y d\u1ef1ng:<\/b> CFRP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gia c\u1ed1 c\u1ea5u tr\u00fac c\u1ee7a c\u00e1c t\u00f2a nh\u00e0 v\u00e0 c\u00e2y c\u1ea7u nh\u1eb1m t\u0103ng \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i.<\/li>\n<\/ol>\n<h3>S\u1ee3i carbon trong CFRP<\/h3>\n<p>S\u1ee3i carbon \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb polyacrylonitrile (PAN), pitch ho\u1eb7c t\u01a1 nh\u00e2n t\u1ea1o, qua qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 t\u1ea1o th\u00e0nh s\u1ee3i carbon nguy\u00ean ch\u1ea5t. Qu\u00e1 tr\u00ecnh n\u00e0y bao g\u1ed3m c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<ol>\n<li>Oxy h\u00f3a: Nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 200-300\u00b0C \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh s\u1ee3i.<\/li>\n<li>Carbon h\u00f3a: \u0110\u1ed1t s\u1ee3i \u1edf nhi\u1ec7t \u0111\u1ed9 1000-1500\u00b0C \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c nguy\u00ean t\u1ed1 kh\u00f4ng c\u1ea7n thi\u1ebft.<\/li>\n<li>Graphit h\u00f3a: Nhi\u1ec7t \u0111\u1ed9 tr\u00ean 2000\u00b0C \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a s\u1ee3i.<\/li>\n<\/ol>\n<p>Nh\u1edd v\u00e0o quy tr\u00ecnh ch\u1eb7t ch\u1ebd n\u00e0y, s\u1ee3i carbon c\u00f3 \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc r\u1ea5t t\u1ed1t v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o l\u00ean \u0111\u1ebfn 5000 MPa. Khi k\u1ebft h\u1ee3p v\u1edbi polyme, c\u00e1c composite CFRP c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1eefng \u0111\u1eb7c t\u00ednh y\u00eau c\u1ea7u cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi cao.<\/p>\n<p>V\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh v\u01b0\u1ee3t tr\u1ed9i v\u00e0 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng trong nhi\u1ec1u l\u0129nh v\u1ef1c, polyme gia c\u1ed1 s\u1ee3i carbon kh\u00f4ng ch\u1ec9 mang l\u1ea1i l\u1ee3i \u00edch v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt m\u00e0 c\u00f2n g\u00f3p ph\u1ea7n b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng nh\u1edd v\u00e0o tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 gi\u00fap gi\u1ea3m ti\u00eau th\u1ee5 nhi\u00ean li\u1ec7u. \u0110\u00e2y ch\u1eafc ch\u1eafn l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u \u0111\u1ea7y tri\u1ec3n v\u1ecdng cho t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Polyme gia c\u1ed1 s\u1ee3i carbon | Nh\u1eb9, \u1ed5n \u0111\u1ecbnh nhi\u1ec7t: T\u00ecm hi\u1ec3u v\u1ec1 v\u1eadt li\u1ec7u ti\u00ean ti\u1ebfn n\u00e0y trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, l\u1ee3i \u00edch v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong \u0111\u1eddi s\u1ed1ng.<\/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>Polyme gia c\u1ed1 s\u1ee3i carbon | Nh\u1eb9, \u1ed5n \u0111\u1ecbnh nhi\u1ec7t<\/title>\n<meta name=\"description\" content=\"Polyme gia c\u1ed1 s\u1ee3i carbon | Nh\u1eb9, \u1ed5n \u0111\u1ecbnh nhi\u1ec7t: T\u00ecm hi\u1ec3u v\u1ec1 v\u1eadt li\u1ec7u ti\u00ean ti\u1ebfn n\u00e0y trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, l\u1ee3i \u00edch v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong \u0111\u1eddi s\u1ed1ng.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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