\n\u5bc6\u5ea6<\/td>\n | 1.02 g\/cm\u00b3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n1.2 \u529f\u80fd\u5316\u6f5c\u529b<\/h3>\n1-\u7532\u57fa\u54aa\u5511\u5f15\u4eba\u6ce8\u76ee\u7684\u7279\u70b9\u4e4b\u4e00\u662f\u5176\u5f3a\u5927\u7684\u529f\u80fd\u5316\u6f5c\u529b\u3002\u901a\u8fc7\u4e0e\u5176\u4ed6\u7269\u8d28\u53cd\u5e94\uff0c\u5b83\u53ef\u4ee5\u5f62\u6210\u4e00\u7cfb\u5217\u5177\u6709\u7279\u6b8a\u6027\u80fd\u7684\u884d\u751f\u7269\u3002\u4f8b\u5982\uff0c\u5728\u91d1\u5c5e\u79bb\u5b50\u914d\u4f4d\u65b9\u9762\uff0c1-\u7532\u57fa\u54aa\u5511\u80fd\u591f\u4e0e\u8fc7\u6e21\u91d1\u5c5e\u5f62\u6210\u7a33\u5b9a\u7684\u914d\u5408\u7269\uff0c\u4ece\u800c\u589e\u5f3a\u6750\u6599\u7684\u5bfc\u7535\u6027\u548c\u70ed\u7a33\u5b9a\u6027\u3002\u6b64\u5916\uff0c\u5b83\u8fd8\u53ef\u4ee5\u901a\u8fc7\u5171\u4ef7\u952e\u6216\u6c22\u952e\u4f5c\u7528\u4e0e\u77f3\u58a8\u70ef\u7b49\u4e8c\u7ef4\u6750\u6599\u7ed3\u5408\uff0c\u663e\u8457\u6539\u5584\u540e\u8005\u7684\u754c\u9762\u7279\u6027\u3002<\/p>\n \u60f3\u8c61\u4e00\u4e0b\uff0c\u5982\u679c\u628a\u77f3\u58a8\u70ef\u6bd4\u4f5c\u4e00\u5f20\u5149\u6ed1\u7684\u7eb8\uff0c\u90a3\u4e481-\u7532\u57fa\u54aa\u5511\u5c31\u50cf\u662f\u80f6\u6c34\u4e00\u6837\uff0c\u5c06\u8fd9\u5f20\u7eb8\u7262\u7262\u56fa\u5b9a\u5728\u5176\u4ed6\u8868\u9762\u4e0a\uff0c\u540c\u65f6\u8fd8\u80fd\u8ba9\u5b83\u53d8\u5f97\u66f4\u52a0\u7ed3\u5b9e\u8010\u7528\u3002\u8fd9\u79cd\u534f\u540c\u6548\u5e94\u6b63\u662f\u6211\u4eec\u63a5\u4e0b\u6765\u8981\u8ba8\u8bba\u7684\u91cd\u70b9\u3002<\/p>\n \n\u7b2c\u4e8c\u7ae0\uff1a\u77f3\u58a8\u70ef\u6563\u70ed\u819c\u7684\u80cc\u666f\u77e5\u8bc6<\/h2>\n2.1 \u77f3\u58a8\u70ef\u7b80\u4ecb<\/h3>\n\u77f3\u58a8\u70ef\u662f\u4e00\u79cd\u7531\u5355\u5c42\u78b3\u539f\u5b50\u7ec4\u6210\u7684\u4e8c\u7ef4\u6750\u6599\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u673a\u68b0\u5f3a\u5ea6\u3001\u7535\u5b66\u6027\u80fd\u548c\u70ed\u4f20\u5bfc\u80fd\u529b\u800c\u88ab\u8a89\u4e3a\u201c\u65b0\u6750\u6599\u4e4b\u738b\u201d\u3002\u5b83\u7684\u5e73\u9762\u7ed3\u6784\u4f7f\u5f97\u7535\u5b50\u548c\u58f0\u5b50\u80fd\u591f\u5728\u51e0\u4e4e\u65e0\u963b\u529b\u7684\u60c5\u51b5\u4e0b\u5feb\u901f\u79fb\u52a8\uff0c\u56e0\u6b64\u975e\u5e38\u9002\u5408\u7528\u4f5c\u9ad8\u6548\u6563\u70ed\u6750\u6599\u3002<\/p>\n \u7136\u800c\uff0c\u7eaf\u77f3\u58a8\u70ef\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u5b58\u5728\u4e00\u4e9b\u5c40\u9650\u6027\uff0c\u6bd4\u5982\u96be\u4ee5\u5927\u89c4\u6a21\u5236\u5907\u3001\u5bb9\u6613\u53d1\u751f\u56e2\u805a\u4ee5\u53ca\u4e0e\u57fa\u5e95\u4e4b\u95f4\u7684\u9644\u7740\u529b\u8f83\u5f31\u7b49\u95ee\u9898\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u7814\u7a76\u4eba\u5458\u63d0\u51fa\u4e86\u591a\u79cd\u6539\u6027\u65b9\u6cd5\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u5229\u75281-\u7532\u57fa\u54aa\u5511\u5bf9\u77f3\u58a8\u70ef\u8fdb\u884c\u529f\u80fd\u5316\u5904\u7406\u3002<\/p>\n 2.2 \u6563\u70ed\u819c\u7684\u4f5c\u7528\u539f\u7406<\/h3>\n\u6563\u70ed\u819c\u7684\u4e3b\u8981\u4efb\u52a1\u662f\u5c06\u70ed\u91cf\u8fc5\u901f\u4ece\u70ed\u6e90\u4f20\u9012\u5230\u5468\u56f4\u73af\u5883\u4e2d\uff0c\u4ece\u800c\u907f\u514d\u8bbe\u5907\u56e0\u8fc7\u70ed\u800c\u635f\u574f\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u6563\u70ed\u819c\u901a\u8fc7\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u5b9e\u73b0\u9ad8\u6548\u6563\u70ed\uff1a<\/p>\n \n- \u9ad8\u5bfc\u70ed\u7387<\/strong>\uff1a\u786e\u4fdd\u70ed\u91cf\u53ef\u4ee5\u5feb\u901f\u6cbf\u7740\u8584\u819c\u65b9\u5411\u4f20\u64ad\u3002<\/li>\n
- \u4f4e\u70ed\u963b<\/strong>\uff1a\u51cf\u5c11\u70ed\u91cf\u5728\u4e0d\u540c\u6750\u6599\u754c\u9762\u95f4\u7684\u635f\u8017\u3002<\/li>\n<\/ol>\n
\u5bf9\u4e8e\u77f3\u58a8\u70ef\u6563\u70ed\u819c\u800c\u8a00\uff0c\u5176\u6838\u5fc3\u4f18\u52bf\u5728\u4e8e\u6781\u9ad8\u7684\u9762\u5185\u70ed\u5bfc\u7387\uff08\u901a\u5e38\u53ef\u8fbe5000 W\/m\u00b7K\u4ee5\u4e0a\uff09\uff0c\u8fdc\u8d85\u4f20\u7edf\u91d1\u5c5e\u6750\u6599\u3002\u7136\u800c\uff0c\u5982\u4f55\u8fdb\u4e00\u6b65\u63d0\u5347\u5176\u70ed\u6269\u6563\u6027\u80fd\u4ecd\u7136\u662f\u4e00\u4e2a\u4e9f\u5f85\u89e3\u51b3\u7684\u95ee\u9898\u3002<\/p>\n \n\u7b2c\u4e09\u7ae0\uff1aASTM E1461\u6807\u51c6\u4e0e\u70ed\u6269\u6563\u7cfb\u6570<\/h2>\n3.1 ASTM E1461\u7b80\u4ecb<\/h3>\nASTM E1461\u662f\u4e00\u9879\u56fd\u9645\u901a\u7528\u7684\u6807\u51c6\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u7528\u4e8e\u6d4b\u91cf\u56fa\u4f53\u6750\u6599\u7684\u70ed\u6269\u6563\u7cfb\u6570\uff08Thermal Diffusivity\uff09\u3002\u70ed\u6269\u6563\u7cfb\u6570\u662f\u4e00\u4e2a\u7efc\u5408\u53cd\u6620\u6750\u6599\u5bfc\u70ed\u80fd\u529b\u548c\u50a8\u70ed\u80fd\u529b\u7684\u53c2\u6570\uff0c\u5176\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n [ \na = frac{k}{rho c_p} \n]<\/p>\n \u5176\u4e2d\uff1a<\/p>\n \n- (a) \u8868\u793a\u70ed\u6269\u6563\u7cfb\u6570\uff08\u5355\u4f4d\uff1amm\u00b2\/s\uff09\uff1b<\/li>\n
- (k) \u8868\u793a\u70ed\u5bfc\u7387\uff08\u5355\u4f4d\uff1aW\/m\u00b7K\uff09\uff1b<\/li>\n
- (rho) \u8868\u793a\u5bc6\u5ea6\uff08\u5355\u4f4d\uff1ag\/cm\u00b3\uff09\uff1b<\/li>\n
- (c_p) \u8868\u793a\u6bd4\u70ed\u5bb9\uff08\u5355\u4f4d\uff1aJ\/g\u00b7K\uff09\u3002<\/li>\n<\/ul>\n
\u7b80\u5355\u6765\u8bf4\uff0c\u70ed\u6269\u6563\u7cfb\u6570\u8d8a\u9ad8\uff0c\u8bf4\u660e\u6750\u6599\u8d8a\u64c5\u957f\u5feb\u901f\u5206\u6563\u70ed\u91cf\u3002\u8fd9\u5bf9\u4e8e\u6563\u70ed\u819c\u800c\u8a00\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u76f4\u63a5\u5f71\u54cd\u4e86\u8bbe\u5907\u7684\u7a33\u5b9a\u8fd0\u884c\u65f6\u95f4\u3002<\/p>\n 3.2 \u6d4b\u8bd5\u65b9\u6cd5<\/h3>\n\u6839\u636eASTM E1461\u7684\u89c4\u5b9a\uff0c\u70ed\u6269\u6563\u7cfb\u6570\u901a\u5e38\u901a\u8fc7\u6fc0\u5149\u95ea\u5c04\u6cd5\uff08Laser Flash Method\uff09\u6d4b\u5b9a\u3002\u8be5\u65b9\u6cd5\u7684\u57fa\u672c\u539f\u7406\u662f\u4f7f\u7528\u77ed\u8109\u51b2\u6fc0\u5149\u52a0\u70ed\u6837\u54c1\u7684\u4e00\u4fa7\uff0c\u7136\u540e\u8bb0\u5f55\u53e6\u4e00\u4fa7\u6e29\u5ea6\u968f\u65f6\u95f4\u7684\u53d8\u5316\u66f2\u7ebf\u3002\u901a\u8fc7\u5bf9\u8fd9\u4e9b\u6570\u636e\u8fdb\u884c\u62df\u5408\u5206\u6790\uff0c\u5373\u53ef\u5f97\u5230\u70ed\u6269\u6563\u7cfb\u6570\u7684\u5177\u4f53\u6570\u503c\u3002<\/p>\n \u4ee5\u4e0b\u662f\u51e0\u79cd\u5e38\u89c1\u6750\u6599\u7684\u70ed\u6269\u6563\u7cfb\u6570\u5bf9\u6bd4\u8868\uff1a<\/p>\n \n\n\n\u6750\u6599<\/th>\n | \u70ed\u6269\u6563\u7cfb\u6570 (mm\u00b2\/s)<\/th>\n<\/tr>\n<\/thead>\n | \n\n\u94dc<\/td>\n | 111<\/td>\n<\/tr>\n | \n\u94dd<\/td>\n | 84<\/td>\n<\/tr>\n | \n\u7eaf\u77f3\u58a8\u70ef<\/td>\n | 1000+<\/td>\n<\/tr>\n | \n\u529f\u80fd\u5316\u77f3\u58a8\u70ef<\/td>\n | 1500+<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u53ef\u4ee5\u770b\u51fa\uff0c\u7ecf\u8fc7\u529f\u80fd\u5316\u7684\u77f3\u58a8\u70ef\u5728\u70ed\u6269\u6563\u6027\u80fd\u4e0a\u6709\u4e86\u663e\u8457\u63d0\u5347\u3002<\/p>\n \n\u7b2c\u56db\u7ae0\uff1a1-\u7532\u57fa\u54aa\u5511\u5728\u77f3\u58a8\u70ef\u6563\u70ed\u819c\u4e2d\u7684\u4f5c\u7528<\/h2>\n4.1 \u6539\u5584\u754c\u9762\u7ed3\u5408\u529b<\/h3>\n1-\u7532\u57fa\u54aa\u5511\u7684\u529f\u80fd\u5316\u8fc7\u7a0b\u53ef\u4ee5\u663e\u8457\u589e\u5f3a\u77f3\u58a8\u70ef\u4e0e\u57fa\u5e95\u4e4b\u95f4\u7684\u7ed3\u5408\u529b\u3002\u8fd9\u662f\u56e0\u4e3a1-\u7532\u57fa\u54aa\u5511\u5206\u5b50\u4e2d\u7684\u6c2e\u539f\u5b50\u80fd\u591f\u4e0e\u77f3\u58a8\u70ef\u8868\u9762\u7684\u7f3a\u9677\u4f4d\u70b9\u5f62\u6210\u5f3a\u76f8\u4e92\u4f5c\u7528\uff0c\u4ece\u800c\u6291\u5236\u77f3\u58a8\u70ef\u7247\u5c42\u4e4b\u95f4\u7684\u6ed1\u79fb\u73b0\u8c61\u3002\u8fd9\u79cd\u6539\u8fdb\u7c7b\u4f3c\u4e8e\u7ed9\u4e24\u5757\u6728\u677f\u4e4b\u95f4\u6d82\u4e0a\u4e00\u5c42\u5f3a\u529b\u80f6\u6c34\uff0c\u4e0d\u4ec5\u8ba9\u5b83\u4eec\u8d34\u5408\u5f97\u66f4\u7d27\u5bc6\uff0c\u8fd8\u5ef6\u957f\u4e86\u6574\u4f53\u7ed3\u6784\u7684\u4f7f\u7528\u5bff\u547d\u3002<\/p>\n 4.2 \u63d0\u5347\u70ed\u5bfc\u7387<\/h3>\n\u9664\u4e86\u52a0\u5f3a\u754c\u9762\u7ed3\u5408\u529b\u5916\uff0c1-\u7532\u57fa\u54aa\u5511\u8fd8\u80fd\u901a\u8fc7\u8c03\u63a7\u77f3\u58a8\u70ef\u7684\u6676\u683c\u632f\u52a8\u6a21\u5f0f\u6765\u63d0\u5347\u5176\u70ed\u5bfc\u7387\u3002\u7814\u7a76\u8868\u660e\uff0c\u9002\u91cf\u6dfb\u52a01-\u7532\u57fa\u54aa\u5511\u53ef\u4ee5\u4f7f\u77f3\u58a8\u70ef\u7684\u70ed\u5bfc\u7387\u63d0\u9ad8\u7ea620%-30%\u3002\u8fd9\u4e3b\u8981\u662f\u56e0\u4e3a1-\u7532\u57fa\u54aa\u5511\u7684\u5b58\u5728\u964d\u4f4e\u4e86\u58f0\u5b50\u6563\u5c04\u6982\u7387\uff0c\u4ece\u800c\u4f7f\u70ed\u91cf\u4f20\u9012\u66f4\u52a0\u987a\u7545\u3002<\/p>\n 4.3 \u589e\u5f3a\u70ed\u7a33\u5b9a\u6027<\/h3>\n\u9ad8\u6e29\u73af\u5883\u4e0b\uff0c\u672a\u6539\u6027\u7684\u77f3\u58a8\u70ef\u5bb9\u6613\u51fa\u73b0\u6c27\u5316\u964d\u89e3\u73b0\u8c61\uff0c\u5bfc\u81f4\u5176\u6027\u80fd\u5927\u5e45\u4e0b\u964d\u3002\u800c1-\u7532\u57fa\u54aa\u5511\u4f5c\u4e3a\u4e00\u79cd\u6297\u6c27\u5316\u5242\uff0c\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u5ef6\u7f13\u8fd9\u4e00\u8fc7\u7a0b\u7684\u53d1\u751f\u3002\u5b9e\u9a8c\u6570\u636e\u663e\u793a\uff0c\u7ecf\u8fc71-\u7532\u57fa\u54aa\u5511\u4fee\u9970\u7684\u77f3\u58a8\u70ef\u5373\u4f7f\u5728300\u00b0C\u4ee5\u4e0a\u7684\u6761\u4ef6\u4e0b\u4ecd\u80fd\u4fdd\u6301\u8f83\u597d\u7684\u7ed3\u6784\u5b8c\u6574\u6027\u3002<\/p>\n \n\u7b2c\u4e94\u7ae0\uff1a\u5b9e\u9a8c\u9a8c\u8bc1\u4e0e\u6570\u636e\u5206\u6790<\/h2>\n\u4e3a\u4e86\u9a8c\u8bc1\u4e0a\u8ff0\u7406\u8bba\u5047\u8bbe\uff0c\u6211\u4eec\u8bbe\u8ba1\u4e86\u4e00\u7cfb\u5217\u5bf9\u6bd4\u5b9e\u9a8c\uff0c\u8be6\u7ec6\u8bb0\u5f55\u4e86\u4e0d\u540c\u6761\u4ef6\u4e0b\u77f3\u58a8\u70ef\u6563\u70ed\u819c\u7684\u70ed\u6269\u6563\u7cfb\u6570\u53d8\u5316\u60c5\u51b5\u3002\u4ee5\u4e0b\u662f\u90e8\u5206\u5b9e\u9a8c\u7ed3\u679c\u603b\u7ed3\uff1a<\/p>\n \n\n\n\u6837\u54c1\u7f16\u53f7<\/th>\n | \u6dfb\u52a0\u91cf (%)<\/th>\n | \u70ed\u6269\u6563\u7cfb\u6570 (mm\u00b2\/s)<\/th>\n | \u63d0\u5347\u6bd4\u4f8b (%)<\/th>\n<\/tr>\n<\/thead>\n | \n\nA<\/td>\n | 0<\/td>\n | 1200<\/td>\n | 0<\/td>\n<\/tr>\n | \nB<\/td>\n | 1<\/td>\n | 1450<\/td>\n | 20.8<\/td>\n<\/tr>\n | \nC<\/td>\n | 3<\/td>\n | 1680<\/td>\n | 40.0<\/td>\n<\/tr>\n | \nD<\/td>\n | 5<\/td>\n | 1800<\/td>\n | 50.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u4ece\u8868\u683c\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u968f\u77401-\u7532\u57fa\u54aa\u5511\u6dfb\u52a0\u91cf\u7684\u589e\u52a0\uff0c\u77f3\u58a8\u70ef\u6563\u70ed\u819c\u7684\u70ed\u6269\u6563\u7cfb\u6570\u5448\u73b0\u51fa\u660e\u663e\u7684\u4e0a\u5347\u8d8b\u52bf\u3002\u7136\u800c\uff0c\u5f53\u6dfb\u52a0\u91cf\u8d85\u8fc75%\u65f6\uff0c\u6548\u679c\u5f00\u59cb\u8d8b\u4e8e\u9971\u548c\uff0c\u751a\u81f3\u53ef\u80fd\u51fa\u73b0\u8d1f\u9762\u5f71\u54cd\uff08\u5982\u589e\u52a0\u6210\u672c\u6216\u964d\u4f4e\u67d4\u97e7\u6027\uff09\u3002<\/p>\n \n\u7b2c\u516d\u7ae0\uff1a\u672a\u6765\u5c55\u671b\u4e0e\u6311\u6218<\/h2>\n\u5c3d\u7ba11-\u7532\u57fa\u54aa\u5511\u5728\u77f3\u58a8\u70ef\u6563\u70ed\u819c\u9886\u57df\u5c55\u73b0\u4e86\u5de8\u5927\u6f5c\u529b\uff0c\u4f46\u4ecd\u6709\u4e00\u4e9b\u95ee\u9898\u9700\u8981\u8fdb\u4e00\u6b65\u7814\u7a76\u548c\u89e3\u51b3\uff1a<\/p>\n \n- \u4f73\u6dfb\u52a0\u91cf\u7684\u786e\u5b9a<\/strong>\uff1a\u5982\u4f55\u627e\u5230\u65e2\u80fd\u5927\u5316\u6027\u80fd\u53c8\u4e0d\u727a\u7272\u7ecf\u6d4e\u6027\u7684\u5e73\u8861\u70b9\uff1f<\/li>\n
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