{"id":5402,"date":"2016-08-03T08:35:00","date_gmt":"2016-08-03T00:35:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=5402"},"modified":"2023-12-31T22:07:30","modified_gmt":"2023-12-31T14:07:30","slug":"tg-glass-transition-temperature","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2016\/08\/tg-glass-transition-temperature\/","title":{"rendered":"\u4f55\u8b02\u73bb\u7483\u8f49\u5316\u6eab\u5ea6(Tg, Glass Transition Temperature)"},"content":{"rendered":"
<\/p>\n
\u73bb\u7483\u8f49\u5316\u6eab\u5ea6\uff08Glass Transition Temperature\uff0cTg\uff09<\/font><\/strong>\u662f\u6240\u6709\u5851\u81a0\u53ca\u74b0\u6c27\u6a39\u8102\u6750\u6599\u6700\u91cd\u8981\u7684\u7279\u6027\u4e4b\u4e00\uff0c\u5176\u5be6Tg\u503c\u4e5f\u662fPCB\u7684\u73bb\u7483\u7e96\u7dad\u5e03\u7684\u54c1\u8cea\u6307\u6a19\u4e4b\u4e00\uff0c\u4e0d\u904e\u76f8\u8f03\u65bcHDT\uff08Heat Deflection Temperature\uff09\u4f3c\u4e4e\u53c8\u6c92\u6709\u90a3\u9ebc\u91cd\u8981\u4e86\uff0cTg\u503c\u4e00\u822c\u6cdb\u6307\u5851\u6599\u5fae\u89c0\u4e2d\u9ad8\u5206\u5b50\u93c8\u958b\u59cb\u5177\u6709\u5927\u93c8\u7d50\u904b\u52d5\u6642\u7684\u6eab\u5ea6\u3002<\/font><\/p>\n \u82e5\u61c9\u7528\u6eab\u5ea6\u4f4e\u65bc\u73bb\u7483\u8f49\u5316\u6eab\u5ea6(Tg)\u6642\uff0c\u5206\u5b50\u93c8\u7bc0\u7684\u904b\u52d5\u5927\u90e8\u5206\u6703\u88ab\u51cd\u7d50(frozen)\uff0c\u5448\u73fe\u51fa\u8f03\u591a\u7684\u6676\u683c\u72c0\u6392\u5217\uff0c\u5851\u6599\u5247\u6703\u5448\u73fe\u51fa\u525b\u6027\u5177\u786c\u8106(brittle)\u7279\u6027\u4e4b<\/font>\u73bb\u7483\u614b(glassy state)<\/font>\u3002\u6c92\u932f\u5c31\u985e\u4f3c\u73bb\u7483\u7684\u7279\u6027\uff0c\u5805\u786c\u4f46\u5bb9\u6613\u8106\u88c2\u3002<\/font><\/p>\n \u82e5\u61c9\u7528\u6eab\u5ea6\u9ad8\u65bc\u73bb\u7483\u8f49\u5316\u6eab\u5ea6(Tg)\u6642\uff0c\u5206\u5b50\u93c8\u7d50\u5247\u6703\u6709\u66f4\u591a\u7684\u81ea\u7531\u5ea6\u53ef\u4ee5\u904b\u52d5\uff0c\u5851\u81a0\u4ef6\u5247\u6703\u5448\u73fe\u51fa\u67d4\u8edf\u53ef\u7e5e\u66f2\u7684<\/font>\u6a61\u81a0\u614b(Rubbery state)<\/font>\u3002\u56e0\u6b64\u73bb\u7483\u8f49\u5316\u6eab\u5ea6(Tg)\u4e00\u822c\u70ba\u5851\u6599\u767c\u751f\u5728\u3010\u73bb\u7483\u614b-\u6a61\u81a0\u614b\u3011\u76f8\u8f49\u63db\u6642\u4e4b\u6eab\u5ea6\u3002<\/font><\/p>\n <\/p>\n \u6240\u4ee5Tg\u6eab\u5ea6\u8207\u5851\u81a0\u7522\u54c1\u7684\u8a2d\u8a08\u53ca\u904b\u7528\u4e4b\u6eab\u5ea6\u7bc4\u570d\u6709\u975e\u5e38\u5927\u7684\u95dc\u4fc2\u3002\u4e00\u822c\u800c\u8a00\u56fa\u9ad4\u5851\u81a0\u4ef6\u7684\u61c9\u7528\u6eab\u5ea6\u7bc4\u570d\u901a\u5e38\u6703\u53d6\u5728\u73bb\u7483\u8f49\u5316\u6eab\u5ea6(Tg)<\/font><\/strong>\u4ee5\u4e0b<\/font>\uff0c\u82e5\u5c0d\u5851\u6599\u7e5e\u66f2\u67d4\u8edf\u6027\u6709\u9700\u6c42\u8005\uff0c\u5982\u6a61\u81a0\uff0c\u5247\u61c9\u7528\u6eab\u5ea6\u6703\u9078\u53d6\u5728\u73bb\u7483\u8f49\u5316\u6eab\u5ea6\u4ee5\u4e0a<\/font>\uff0c\u4f46\u5728\u71b1\u8b8a\u5f62\u6eab\u5ea6\u4ee5\u4e0b\u3002<\/font><\/p>\n \u8981\u6ce8\u610f\u7684\u662f\u300c\u73bb\u7483\u8f49\u5316\u300d\u904e\u7a0b\u57fa\u672c\u4e0a\u662f\u4e00\u6bb5\u6eab\u5ea6\u5340\u57df\u800c\u975e\u7279\u5b9a\u7684\u55ae\u4e00\u6eab\u5ea6\uff0c\u76f8\u5c0d\u7684HDT\u5247\u6703\u6307\u5411\u56fa\u5b9a\u6eab\u5ea6\uff0c\u4e0d\u904e\u4e00\u822c\u6211\u5011\u5728\u5b9a\u7fa9\u300c\u73bb\u7483\u8f49\u5316\u6eab\u5ea6\uff08Tg\uff09\u300d\u6642\u901a\u5e38\u6703\u53d6\u5176\u5728\u6574\u500b\u300c\u73bb\u7483\u8f49\u5316\u300d\u6eab\u5ea6\u5340\u57df\u7684\u4e2d\u9ede\uff08middle point\uff09\u3002<\/font><\/p>\n \u91cf\u6e2cTg\u6eab\u5ea6\u7684\u6642\u5019\u4e00\u822c\u63a1\u7528ASTM-E1356\u7684\u3010DSC (Differential Scanning Calorimetry\uff0c \u5dee\u793a\u6383\u63cf\u91cf\u71b1\u6cd5 )\u3011\u65b9\u6cd5\uff0c\u9019\u662f\u4e00\u7a2e\u71b1\u5206\u6790\u7684\u6280\u8853\uff0c \u85c9\u52a9\u88dc\u511f\u5668\u6e2c\u91cf\u4f7f\u6a23\u54c1\u8207\u53c3\u8003\u6bd4\u8f03\u7269\u9054\u5230\u540c\u6a23\u6eab\u5ea6\u6240\u9700\u7684\u52a0\u71b1\u901f\u7387\u8207\u6eab\u5ea6\u7684\u95dc\u4fc2\u756b\u51fa\u66f2\u7dda\uff0c\u7136\u5f8c\u8a08\u7b97\u5f97\u5230Tg\u503c\u3002<\/font><\/p>\n <\/font><\/p>\n Tg\u503c\u7684\u8a08\u7b97<\/strong><\/font><\/p>\n \u53c3\u8003\u4e0a\u5716\uff0c\u7576\u6eab\u5ea6\u9010\u6f38\u5347\u9ad8\uff0c\u901a\u904e\u9ad8\u5206\u5b50\u805a\u5408\u7269\u7684\u73bb\u7483\u5316\u8f49\u8b8a\u6eab\u5ea6\uff0cDSC\u66f2\u7dda\u4e0a\u7684\u57fa\u7dda\u6703\u5411\u8457\u5438\u71b1\u65b9\u5411\u79fb\u52d5\u3002\u5716\u4e2dA\u9ede\u662f\u958b\u59cb\u504f\u96e2\u57fa\u7dda\u7684\u9ede\u3002\u5c07\u8f49\u8b8a\u524d\u3001\u5f8c\u7684\u5e73\u5766\u57fa\u7dda\u5ef6\u9577\uff0c\u5169\u7dda\u4e4b\u9593\u7684\u5782\u76f4\u8ddd\u96e2\u5c31\u662f\u968e\u5dee\u0394J\uff0c\u5728\u0394J\/2\u8655\u53ef\u4ee5\u627e\u5230C\u9ede\uff0c\u5f9eC\u9ede\u4f5c\u5207\u7dda\u8207\u524d\u57fa\u7dda\u76f8\u4ea4\u65bcB\u9ede\uff0cB\u9ede\u6240\u5c0d\u61c9\u7684\u6eab\u5ea6\u503c\u5373\u70ba\u73bb\u7483\u5316\u8f49\u8b8a\u6eab\u5ea6Tg\u3002<\/font><\/p>\n \u4e0d\u904e\u4f3c\u4e4e\u4e5f\u6709\u5f88\u591a\u4eba\u76f4\u63a5\u62ffC\u9ede\u4f86\u7576\u4f5cTg\u6eab\u5ea6\uff0c\u56e0\u70ba\u8a08\u7b97\u6bd4\u8f03\u7c21\u55ae\uff0c\u53cd\u6b63Tg\u5c31\u662f\u4e00\u500b\u53c3\u8003\u6eab\u5ea6\u800c\u5df2\uff0c\u800c\u4e14\u4e00\u822cB\u9ede\u8207C\u9ede\u7684\u6eab\u5ea6\u5dee\u7570\u503c\u4e5f\u4e0d\u5927\u3002<\/font><\/p>\n \u4e0b\u5716\u662f\u7dad\u57fa\u767e\u79d1\u95dc\u65bcPVC\u7684DSC\u66f2\u7dda\uff0c\u4f7f\u7528B\u9ede\u6216C\u9ede\u8a08\u7b97\u51fa\u4f86\u7684Tg\u6eab\u5ea6\u53ea\u67090.1\u00b0C\u7684\u5dee\u7570\uff0c\u56e0\u70ba\u5728\u6574\u500bDSC\u66f2\u7dda\u4e2d\uff0cTg\u6eab\u5340\u5176\u5be6\u5c31\u662f\u4e00\u500b\u5c0f\u6f23\u6f2a\u800c\u5df2\u3002<\/font><\/p>\n <\/p>\n \u5ef6\u4f38\u95b1\u8b80\uff1a \u73bb\u7483\u8f49\u5316\u6eab\u5ea6\uff08Glass Transition …<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,192],"tags":[],"aioseo_notices":[],"views":83794,"_links":{"self":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/5402"}],"collection":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/comments?post=5402"}],"version-history":[{"count":3,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/5402\/revisions"}],"predecessor-version":[{"id":10431,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/posts\/5402\/revisions\/10431"}],"wp:attachment":[{"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/media?parent=5402"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/categories?post=5402"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.letratesoro.com\/wp-json\/wp\/v2\/tags?post=5402"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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<\/font>Flexural Strength(\u5f4e\u66f2\u5f37\u5ea6)<\/font><\/a>
Tensile Strength (\u62c9\u4f38\u5f37\u5ea6)<\/font><\/a>
Izod Impact Strength (\u8010\u885d\u64ca\u5f37\u5ea6)<\/font><\/a>
\u5851\u81a0\u7684\u7279\u6027\u6574\u7406 \u2500 \u7269\u7406\u7279\u6027\u3001\u6a5f\u68b0\u7279\u6027<\/font><\/a>
\u5bc6\u5ea6(Density)\u89e3\u91cb\u8207ASTM-D1505\u53caISO-1183\u5bc6\u5ea6\u6e2c\u5b9a\u4ecb\u7d39<\/font><\/a>
\u4f55\u8b02CTE(\u71b1\u81a8\u8139\u4fc2\u6578)\uff1f\u03b12-CTE\u53c8\u662f\u4ec0\u9ebc\uff1fCTE\u5982\u4f55\u5f71\u97ff\u96fb\u8def\u677f\u54c1\u8cea<\/font><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"