{"id":674992,"date":"2024-08-14T21:33:08","date_gmt":"2024-08-14T20:33:08","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=674992"},"modified":"2024-08-14T21:33:08","modified_gmt":"2024-08-14T20:33:08","slug":"cach-nhiet-do-anh-huong-den-do-dan-hoi-cua-cao-su","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/cach-nhiet-do-anh-huong-den-do-dan-hoi-cua-cao-su\/","title":{"rendered":"C\u00e1ch nhi\u1ec7t \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a cao su"},"content":{"rendered":"

T\u00ecm hi\u1ec3u c\u00e1ch nhi\u1ec7t \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a cao su, nh\u1eefng thay \u0111\u1ed5i quan tr\u1ecdng trong c\u1ea5u tr\u00fac v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf trong ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/p>\n

\"C\u00e1ch<\/p>\n

C\u00e1ch nhi\u1ec7t \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a cao su<\/h2>\n

Trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, m\u1ed9t trong nh\u1eefng ch\u1ee7 \u0111\u1ec1 quan tr\u1ecdng l\u00e0 nhi\u1ec7t \u0111\u1ed9 v\u00e0 c\u00e1ch n\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nhau. Cao su, m\u1ed9t v\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng, l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ea5t ch\u1ecbu \u1ea3nh h\u01b0\u1edfng l\u1edbn t\u1eeb nhi\u1ec7t \u0111\u1ed9.<\/p>\n

\u0110\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a cao su l\u00e0 g\u00ec?<\/h2>\n

\u0110\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a cao su l\u00e0 kh\u1ea3 n\u0103ng tr\u1edf l\u1ea1i h\u00ecnh d\u1ea1ng ban \u0111\u1ea7u sau khi b\u1ecb bi\u1ebfn d\u1ea1ng d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c c\u01a1 h\u1ecdc. Cao su c\u00f3 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i cao nh\u1edd v\u00e0o c\u1ea5u tr\u00fac ph\u00e2n t\u1eed \u0111\u1eb7c bi\u1ec7t c\u1ee7a n\u00f3, cho ph\u00e9p c\u00e1c chu\u1ed7i polymer tr\u1ea3i d\u00e0i v\u00e0 co l\u1ea1i.<\/p>\n

Nhi\u1ec7t \u0111\u1ed9 v\u00e0 c\u1ea5u tr\u00fac ph\u00e2n t\u1eed cao su<\/h2>\n

Nh\u01b0 h\u1ea7u h\u1ebft c\u00e1c v\u1eadt li\u1ec7u polymer, cao su c\u00f3 c\u1ea5u tr\u00fac chu\u1ed7i d\u00e0i v\u00e0 linh ho\u1ea1t. Khi nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i, c\u00e1c chu\u1ed7i ph\u00e2n t\u1eed trong cao su c\u0169ng tr\u1ea3i qua nh\u1eefng thay \u0111\u1ed5i quan tr\u1ecdng:<\/p>\n

<\/p>\n

  • Khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng:<\/strong> C\u00e1c ph\u00e2n t\u1eed trong cao su nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng h\u01a1n, l\u00e0m cho ch\u00fang di chuy\u1ec3n nhanh h\u01a1n. \u0110i\u1ec1u n\u00e0y l\u00e0m t\u0103ng kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c ph\u00e2n t\u1eed v\u00e0 l\u00e0m gi\u1ea3m s\u1ef1 b\u00e1m d\u00ednh gi\u1eefa c\u00e1c chu\u1ed7i polymer, khi\u1ebfn cao su tr\u1edf n\u00ean m\u1ec1m h\u01a1n v\u00e0 k\u00e9m \u0111\u00e0n h\u1ed3i h\u01a1n.<\/li>\n
  • Khi nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m:<\/strong> C\u00e1c ph\u00e2n t\u1eed m\u1ea5t \u0111i n\u0103ng l\u01b0\u1ee3ng v\u00e0 di chuy\u1ec3n ch\u1eadm l\u1ea1i. S\u1ef1 b\u00e1m d\u00ednh gi\u1eefa c\u00e1c chu\u1ed7i t\u0103ng l\u00ean, l\u00e0m cho cao su tr\u1edf n\u00ean c\u1ee9ng v\u00e0 gi\u00f2n h\u01a1n, v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng n\u1ee9t g\u00e3y khi ch\u1ecbu t\u1ea3i tr\u1ecdng.<\/li>\n

    <\/u1><\/p>\n

    Bi\u1ec3u \u0111\u1ed3 \u1ee9ng su\u1ea5t – bi\u1ebfn d\u1ea1ng<\/h2>\n

    Bi\u1ec3u \u0111\u1ed3 \u1ee9ng su\u1ea5t – bi\u1ebfn d\u1ea1ng c\u1ee7a cao su l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 h\u1eefu \u00edch \u0111\u1ec3 ph\u00e2n t\u00edch \u0111\u1ed9 \u0111\u00e0n h\u1ed3i d\u01b0\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau. Bi\u1ec3u \u0111\u1ed3 n\u00e0y th\u1ec3 hi\u1ec7n m\u1ed1i quan h\u1ec7 gi\u1eefa \u1ee9ng su\u1ea5t (stress) \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng l\u00ean cao su v\u00e0 m\u1ee9c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng (strain) m\u00e0 n\u00f3 ch\u1ecbu. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u0111i\u1ec3m quan tr\u1ecdng v\u1ec1 bi\u1ec3u \u0111\u1ed3 n\u00e0y:<\/p>\n

    <\/p>\n

  • \u1ede nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, bi\u1ec3u \u0111\u1ed3 c\u00f3 xu h\u01b0\u1edbng d\u1ed1c h\u01a1n, cho th\u1ea5y cao su c\u1ee9ng v\u00e0 \u0111\u1ed9 bi\u1ebfn d\u1ea1ng \u00edt h\u01a1n.<\/li>\n
  • \u1ede nhi\u1ec7t \u0111\u1ed9 cao, bi\u1ec3u \u0111\u1ed3 tr\u1edf n\u00ean ph\u1eb3ng h\u01a1n, cho th\u1ea5y cao su m\u1ec1m v\u00e0 \u0111\u1ed9 bi\u1ebfn d\u1ea1ng l\u1edbn h\u01a1n.<\/li>\n

    <\/u1><\/p>\n

    \u1ee8ng d\u1ee5ng th\u1ef1c ti\u1ec5n<\/h2>\n

    Hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1ch nhi\u1ec7t \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a cao su gi\u00fap c\u00e1c k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3:<\/p>\n

    <\/p>\n

  • L\u1ed1p xe:<\/strong> L\u1ed1p xe \u00f4 t\u00f4 c\u1ea7n duy tr\u00ec \u0111\u1ed9 \u0111\u00e0n h\u1ed3i t\u1ed1t \u1edf nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft kh\u00e1c nhau \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 hi\u1ec7u su\u1ea5t.<\/li>\n
  • \u0110\u1ec7m c\u00e1ch nhi\u1ec7t:<\/strong> Trong c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh ho\u1eb7c s\u01b0\u1edfi \u1ea5m, cao su \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m \u0111\u1ec7m c\u00e1ch nhi\u1ec7t, v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng b\u1ecb gi\u1ea3m hi\u1ec7u su\u1ea5t do thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9.<\/li>\n
  • D\u1ee5ng c\u1ee5 th\u1ec3 thao:<\/strong> \u0110\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a cao su trong d\u1ee5ng c\u1ee5 th\u1ec3 thao nh\u01b0 gi\u00e0y th\u1ec3 thao ho\u1eb7c v\u1ee3t c\u1ea7n ph\u1ea3i \u1ed5n \u0111\u1ecbnh d\u01b0\u1edbi nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau.<\/li>\n

    <\/o1><\/p>\n

    K\u1ebft lu\u1eadn<\/h2>\n

    Nhi\u1ec7t \u0111\u1ed9 l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a cao su. Vi\u1ec7c hi\u1ec3u v\u00e0 ki\u1ec3m so\u00e1t y\u1ebfu t\u1ed1 n\u00e0y cho ph\u00e9p t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m cao su trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/p>\n","protected":false},"excerpt":{"rendered":"

    T\u00ecm hi\u1ec3u c\u00e1ch nhi\u1ec7t \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a cao su, nh\u1eefng thay \u0111\u1ed5i quan tr\u1ecdng trong c\u1ea5u tr\u00fac v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf trong ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/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":"\nC\u00e1ch nhi\u1ec7t \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a cao su<\/title>\n<meta name=\"description\" content=\"T\u00ecm hi\u1ec3u c\u00e1ch nhi\u1ec7t \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a cao su, nh\u1eefng thay \u0111\u1ed5i quan tr\u1ecdng trong c\u1ea5u tr\u00fac v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf trong ng\u00e0nh c\u00f4ng nghi\u1ec7p.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.thermal-engineering.org\/vi\/cach-nhiet-do-anh-huong-den-do-dan-hoi-cua-cao-su\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1ch nhi\u1ec7t \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a cao su\" \/>\n<meta property=\"og:description\" content=\"T\u00ecm hi\u1ec3u c\u00e1ch nhi\u1ec7t \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a cao su, nh\u1eefng thay \u0111\u1ed5i quan tr\u1ecdng trong c\u1ea5u tr\u00fac v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf trong ng\u00e0nh c\u00f4ng nghi\u1ec7p.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thermal-engineering.org\/vi\/cach-nhiet-do-anh-huong-den-do-dan-hoi-cua-cao-su\/\" \/>\n<meta property=\"og:site_name\" content=\"Thermal Engineering\" \/>\n<meta property=\"article:published_time\" content=\"2024-08-14T20:33:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/cach_nhiet_do_anh_huong_den_do_dan_hoi_cua_cao_su.png\" \/>\n<meta name=\"twitter:card\" content=\"summary\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\">\n\t<meta name=\"twitter:data1\" content=\"Nick Connor\">\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\">\n\t<meta name=\"twitter:data2\" content=\"4 minutes\">\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#website\",\"url\":\"https:\/\/www.thermal-engineering.org\/fr\/\",\"name\":\"Thermal 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