{"id":4043,"date":"2025-09-30T14:27:09","date_gmt":"2025-09-30T06:27:09","guid":{"rendered":"https:\/\/chiggofactory.com\/?p=4043"},"modified":"2025-09-30T14:27:14","modified_gmt":"2025-09-30T06:27:14","slug":"all-about-shear-modulus","status":"publish","type":"post","link":"https:\/\/chiggofactory.com\/zh-CN\/all-about-shear-modulus\/","title":{"rendered":"\u5173\u4e8e\u526a\u5207\u6a21\u91cf"},"content":{"rendered":"\n
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\u03c4= f \/ a<\/strong><\/p>\n\n\n\n \u526a\u5207\u5e94\u53d8\uff08\u03b3\uff09\u662f\u6c34\u5e73\u4f4d\u79fb\u4e0e\u5757\u9ad8\u5ea6\u7684\u6bd4\u7387\uff1a<\/p>\n\n\n\n \u03b3=\u0394X \/ L\uff08\u5bf9\u4e8e\u5c0f\u89d2\u5ea6\uff0c\u5f27\u5ea6\u4e2d\u7684\u03b8\u2248\u03b3\uff09<\/strong><\/p>\n\n\n\n \u526a\u5207\u6a21\u91cf\uff08g\uff09\u6709\u65f6\u7528\u03bc\u6216s\u8868\u793a\uff0c\u53ef\u4ee5\u6d4b\u91cf\u6750\u6599\u5bf9\u8fd9\u79cd\u7c7b\u578b\u7684\u5931\u771f\u7684\u8010\u836f\u6027\u3002\u5b83\u88ab\u5b9a\u4e49\u4e3a\u526a\u5207\u5e94\u529b\u4e0e\u526a\u5207\u5e94\u53d8\u7684\u6bd4\u7387\uff1a<\/p>\n\n\n\n g =\u03c4 \/\u03b3=\uff08f \/ a\uff09 \/\uff08\u0394x \/ l\uff09=\uff08f\u00b7l\uff09 \/\uff08a\u00b7\u0394x\uff09<\/strong><\/p>\n\n\n\n \u5728SI\u7cfb\u7edf\u4e2d\uff0c\u526a\u5207\u6a21\u91cf\u7684\u5355\u4f4d\u662fPascal\uff08PA\uff09\uff0c\u5b83\u7b49\u4e8e\u6bcf\u5e73\u65b9\u7c73\u725b\u987f\u4e00\u4e2a\uff08N\/m\u00b2\uff09\u3002\u7531\u4e8ePascal\u662f\u4e00\u4e2a\u5f88\u5c0f\u7684\u5355\u5143\uff0c\u56e0\u6b64\u5b9e\u5fc3\u6750\u6599\u7684\u526a\u5207\u6a21\u91cf\u901a\u5e38\u5f88\u5927\u3002\u56e0\u6b64\uff0c\u5de5\u7a0b\u5e08\u548c\u79d1\u5b66\u5bb6\u901a\u5e38\u5728Gigapascals\uff08GPA\uff09\u4e2d\u8868\u8fbeG\uff0c\u5176\u4e2d1 GPA =10\u2079PA\u3002<\/p>\n\n\n\n \u4e0b\u8868\u663e\u793a\u4e86\u5e38\u89c1\u6750\u6599\u7684\u5178\u578b\u526a\u5207\u6a21\u91cf\u503c\uff1a<\/p>\n\n\n\n \u8fd9\u4e9b\u6570\u5b57\u663e\u793a\u4e86\u521a\u6027\u6709\u591a\u5c11\u6750\u6599\u3002\u91d1\u5c5e\u503e\u5411\u4e8e\u5728\u6570\u5341\u5343\u5146\u5185\u7684\u526a\u5207\u6a21\u91cf\u3002\u9676\u74f7\u548c\u73bb\u7483\u7684\u8303\u56f4\u76f8\u4f3c\uff0c\u800c\u6df7\u51dd\u571f\u5374\u4f4e\u4e00\u4e9b\u3002\u5851\u6599\u901a\u5e38\u5927\u7ea61 GPA\u6216\u66f4\u5c11\u3002\u751a\u81f3\u66f4\u67d4\u8f6f\u7684\u662f\u6a61\u80f6\u548c\u5f39\u6027\u4f53\uff0c\u4ec5\u5728\u5de8\u578b\u8303\u56f4\u5185\u5177\u6709\u526a\u5207\u6a21\u91cf\u3002\u5728\u6700\u9876\u90e8\uff0c\u94bb\u77f3\u8fbe\u5230\u4e86\u6570\u767e\u4e2a\u5343\u65a4\u9876\uff0c\u662f\u6700\u50f5\u786c\u7684\u6750\u6599\u4e4b\u4e00\u3002<\/p>\n\n\n\n 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\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u6d4b\u8bd5\u65b9\u6cd5\u6765\u786e\u5b9a\u526a\u5207\u6a21\u91cfG\uff0c\u5e76\u4e14\u9009\u62e9\u53d6\u51b3\u4e8e\u6750\u6599\u4ee5\u53ca\u60a8\u662f\u5426\u9700\u8981\u9759\u6001\u8fd8\u662f\u52a8\u6001\u503c\u3002\u5bf9\u4e8e\u91d1\u5c5e\u548c\u5176\u4ed6\u5404\u5411\u540c\u6027\u56fa\u4f53\uff0c\u4e00\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u5728\u6746\u4e0a\u6216\u8584\u58c1\u7ba1\u4e0a\u8fdb\u884c\u9759\u6001\u626d\u8f6c\u6d4b\u8bd5\u3002\u626d\u8f6c\u89d2\u4e0e\u65bd\u52a0\u626d\u77e9\u7684\u659c\u7387\u7ed9\u51fa\u4e86G\u3002ASTME143\u6307\u5b9a\u4e86\u7ed3\u6784\u6750\u6599\u7684\u5ba4\u6e29\u7a0b\u5e8f\u3002<\/p>\n\n\n\n \u5bf9\u4e8e\u52a8\u6001\u6d4b\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528\u626d\u8f6c\u6446\uff1a\u6d4b\u91cf\u6837\u54c1 - \u8d28\u91cf\u7cfb\u7edf\u7684\u632f\u8361\u5468\u671f\uff0c\u5e76\u5c06\u5176\u4e0e\uff08\u590d\u6742\u7684\uff09\u526a\u5207\u6a21\u91cf\u76f8\u5173\u8054\u3002 ASTM D2236\u662f\u63cf\u8ff0\u8fd9\u79cd\u5851\u6599\u65b9\u6cd5\u7684\u65e7\u6807\u51c6\u3002<\/p>\n\n\n\n \u5bf9\u4e8e\u7ea4\u7ef4\u589e\u5f3a\u7684\u590d\u5408\u6750\u6599\uff0c\u4f7f\u7528V-\u7f51\u72b6\u65b9\u6cd5\uff08\u4f8b\u5982ASTM D5379\uff08iosipescu\uff09\uff09\u548cASTM D7078\uff08V-Notched Rail\u526a\u5207\uff09\u83b7\u5f97\u4e86\u5e73\u9762\u5185\u526a\u5207\u6a21\u91cf\u3002 ASTM D4255\uff08\u8f68\u9053\u526a\u5207\uff09\u4e5f\u5e7f\u6cdb\u7528\u4e8e\u805a\u5408\u7269\u77e9\u9635\u590d\u5408\u6750\u6599\u3002<\/p>\n\n\n\n \u8bf7\u6ce8\u610f\uff0cASTM A938\u662f\u7528\u4e8e\u8bc4\u4f30\u626d\u8f6c\u6027\u80fd\u7684\u91d1\u5c5e\u7ebf\u7684\u626d\u8f6c\u6d4b\u8bd5\uff08\u4f8b\u5982\u5ef6\u6027\uff09\uff1b\u5b83\u4e0d\u662f\u786e\u5b9aG\u7684\u6807\u51c6\u65b9\u6cd5\u3002<\/p>\n\n\n\n \u6709\u65f6G\u4e0d\u4f1a\u76f4\u63a5\u6d4b\u91cfG\uff0c\u800c\u662f\u6839\u636e\u5176\u4ed6\u6570\u636e\u8ba1\u7b97\u5f97\u51fa\u7684\u3002\u7528\u4e8e\u5404\u5411\u540c\u6027\u6750\u6599\u6768\u7684\u6a21\u91cfe<\/a>\u548c\u6cca\u677e\u7684\u6bd4\u4f8b\u03bd\uff0c<\/p>\n\n\n\n\u526a\u5207\u6a21\u91cf\u503c<\/h2>\n\n\n\n
\u6750\u6599<\/strong><\/td> \u526a\u5207\u6a21\u91cf\uff08GPA\uff09<\/strong><\/td><\/tr> \u94dd<\/td> 26\u201327<\/td><\/tr> \u9ec4\u94dc<\/td> 35\u201341<\/td><\/tr> \u78b3\u94a2<\/td> 79\u201382<\/td><\/tr> \u94dc<\/td> 44\u201348<\/td><\/tr> \u5e26\u9886<\/td> 5\u20136<\/td><\/tr> \u4e0d\u9508\u94a2<\/td> 74\u201379<\/td><\/tr> \u9521<\/td> \u301c18<\/td><\/tr> \u949b\uff08\u7eaf\uff09<\/td> 41\u201345<\/td><\/tr> \u5177\u4f53\u7684<\/td> 8\u201312<\/td><\/tr> \u73bb\u7483\uff08\u82cf\u6253\u77f3\uff09<\/td> 26\u201330<\/td><\/tr> \u6728\u6750\uff08\u9053\u683c\u62c9\u65af\u51b7\u6749\uff09<\/td> 0.6\u20131.2<\/td><\/tr> \u5c3c\u9f99\uff08\u672a\u586b\u5145\uff09<\/td> 0.7\u20131.1<\/td><\/tr> \u805a\u78b3\u9178\u916f<\/td> 0.8\u20130.9<\/td><\/tr> \u805a\u4e59\u70ef<\/td> 0.1\u20130.3<\/td><\/tr> \u6a61\u76ae<\/td> 0.0003\u20130.001<\/td><\/tr> \u94bb\u77f3<\/td> 480\u2013520<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n \u526a\u5207\u6a21\u91cf\u8ba1\u7b97<\/h2>\n\n\n\n
<\/figure>\n\n\n\n