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G=Gi \u8ba1\u7b97\u3002\u5176\u4e2d\uff0ci \u662f\u526a\u5207\u6a21\u91cf\uff0cmass \u662f\u8d28\u91cf\uff0cshear constant \u662f\u526a\u5207\u5e38\u6570 (k)\u3002\u5b83\u7528\u4e8e\u6d4b\u91cf\u6750\u6599\u7684\u6297\u5f2f\u5f3a\u5ea6\uff0c\u901a\u5e38\u7528\u5e15\u65af\u5361\uff08Pa\uff09\u8868\u793a\u3002<\/p>\n<p>\u6c27\u5316\u94dd\u7684\u526a\u5207\u6a21\u91cf\u53ef\u4ee5\u7528\u4e0d\u540c\u7684\u65b9\u6cd5\u6d4b\u91cf\u3002\u5176\u4e2d\u4e00\u79cd\u6280\u672f\u662f\u4f7f\u7528\u7eb3\u7c73\u538b\u75d5\u6cd5\uff0c\u4e0e\u4f20\u7edf\u7684\u62c9\u4f38\u8bd5\u9a8c\u76f8\u6bd4\uff0c\u8fd9\u79cd\u65b9\u6cd5\u6240\u9700\u7684\u6837\u54c1\u66f4\u5c0f\uff0c\u4f46\u80fd\u4ea7\u751f\u66f4\u89c4\u5219\u7684\u5206\u5e03\u66f2\u7ebf\uff0c\u4ece\u800c\u83b7\u5f97\u66f4\u9ad8\u7684\u7cbe\u786e\u5ea6\u3002\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u8fdb\u884c\u76f4\u63a5\u526a\u5207\u8bd5\u9a8c\uff0c\u4ee5\u6052\u5b9a\u901f\u7387\u5bf9\u7269\u4f53\u65bd\u52a0\u526a\u5207\u529b\uff0c\u5e76\u6d4b\u91cf\u526a\u5207\u6a21\u91cf\u968f\u65f6\u95f4\u7684\u53d8\u5316\u3002<\/p>\n<p>\u4e0d\u540c\u7684\u6750\u6599\u5177\u6709\u4e0d\u540c\u7684\u526a\u5207\u6a21\u91cf\uff0c\u8fd9\u53ef\u4ee5\u7528\u5b83\u4eec\u7684\u7ed3\u6784\u6765\u89e3\u91ca\u3002\u4f8b\u5982\uff0c\u8f83\u8584\u7684\u677f\u6750\u901a\u5e38\u4f1a\u6bd4\u8f83\u539a\u7684\u677f\u6750\u8868\u73b0\u51fa\u8f83\u4f4e\u7684\u526a\u5207\u6a21\u91cf\uff0c\u8fd9\u662f\u56e0\u4e3a\u8f83\u8584\u7684\u677f\u6750\u8868\u9762\u79ef\u8f83\u5c0f\uff0c\u56e0\u6b64\u9700\u8981\u8f83\u5927\u7684\u5e94\u53d8\u624d\u80fd\u4ea7\u751f\u5e94\u53d8\u3002<\/p>\n<p>\u6c27\u5316\u94dd\u7684\u526a\u5207\u6a21\u91cf\u5728\u70e7\u5236\u8fc7\u7a0b\u4e2d\u548c\u8fbe\u5230\u6700\u7ec8\u6e29\u5ea6\u540e\u4f1a\u968f\u7740\u6e29\u5ea6\u7684\u53d8\u5316\u800c\u53d8\u5316\u3002\u8fd9\u4e9b\u53d8\u5316\u53ef\u80fd\u662f\u7531\u4e8e\u5408\u91d1\u6210\u5206\u3001\u6676\u4f53\u7ed3\u6784\u6216\u5236\u9020\u5de5\u827a\u5f71\u54cd\u4e86\u6c27\u5316\u94dd\u6750\u6599\u7684\u5f39\u6027\u7279\u6027\uff0c\u56e0\u6b64\u5e94\u4e86\u89e3\u8fd9\u4e9b\u56e0\u7d20\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7406\u89e3\u5b83\u4eec\u53ef\u80fd\u4ea7\u751f\u7684\u4efb\u4f55\u5f71\u54cd\u3002<\/p>\n<h2>\u6cca\u677e\u6bd4<\/h2>\n<p>\u6cca\u677e\u6bd4\u6d4b\u91cf\u7684\u662f\u6750\u6599\u5728\u627f\u53d7\u5355\u5411\u5e94\u529b\u65f6\u7684\u4f53\u79ef\u53d8\u5316\uff0c\u8ba1\u7b97\u65b9\u6cd5\u662f\u6a2a\u5411\u5e94\u53d8\u4e0e\u8f74\u5411\u5e94\u53d8\u4e4b\u6bd4\u3002\u5177\u6709\u8d1f\u6cca\u677e\u6bd4\u7684\u6750\u6599\u5728\u53d7\u5230\u62c9\u4f38\u65f6\u4f1a\u6bd4\u53d7\u5230\u538b\u7f29\u65f6\u8868\u73b0\u51fa\u66f4\u5927\u7684\u4f53\u79ef\u81a8\u80c0\uff0c\u5c3d\u7ba1\u5176\u5e73\u5747\u6cca\u677e\u6bd4\u901a\u5e38\u63a5\u8fd1 0.55\u3002\u5fae\u5b54\u6750\u6599\u548c\u590d\u5408\u6750\u6599\u7684\u6cca\u677e\u6bd4\u901a\u5e38\u4e0e\u666e\u901a\u6750\u6599\u6709\u5f88\u5927\u4e0d\u540c\u3002<\/p>\n<p>\u5de5\u7a0b\u5e08\u5229\u7528\u6768\u6c0f\u6a21\u91cf\u6765\u786e\u5b9a\u6750\u6599\u5728\u6c38\u4e45\u53d8\u5f62\u6216\u5931\u6548\u4e4b\u524d\u53ef\u4ee5\u627f\u53d7\u591a\u5927\u7684\u5e94\u529b\uff0c\u4ece\u800c\u5e2e\u52a9\u4ed6\u4eec\u521b\u9020\u51fa\u80fd\u591f\u53ef\u9760\u627f\u53d7\u5916\u529b\u7684\u7ed3\u6784\u3002\u4f8b\u5982\uff0c\u6c27\u5316\u94dd\u5177\u6709\u6781\u9ad8\u7684\u6768\u6c0f\u6a21\u91cf\u503c\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u7a0b\u9886\u57df\u3002<\/p>\n<p>\u5de5\u7a0b\u5e08\u5229\u7528\u5404\u79cd\u6280\u672f\uff0c\u5305\u62ec\u76f4\u63a5\u53d1\u6ce1\u3001\u590d\u5236\u6280\u672f\u3001\u5e72\u538b\u548c\u7b49\u9759\u538b\u6280\u672f\uff0c\u5236\u4f5c\u51fa\u5b54\u9699\u5ea6\u6070\u5230\u597d\u5904\u7684\u6c27\u5316\u94dd\u9676\u74f7\u3002\u901a\u5e38\u5148\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u5f62\u6210\u751f\u576f\uff0c\u7136\u540e\u518d\u5bf9\u5176\u8fdb\u884c\u5e94\u529b\u6d4b\u8bd5\uff0c\u4ee5\u8bc4\u4f30\u5176\u5f39\u6027\u7279\u6027\u3002<\/p>\n<p>\u8fd9\u4e9b\u6d4b\u8bd5\u53ef\u80fd\u6d89\u53ca\u4e09\u70b9\u6216\u56db\u70b9\u5f2f\u66f2\uff0c\u4ee5\u786e\u5b9a\u6c27\u5316\u94dd\u6750\u6599\u7684\u5f39\u6027\u6a21\u91cf\u3002\u901a\u8fc7\u5c06\u6d4b\u8bd5\u7ed3\u679c\u4e0e\u8ba1\u7b97\u5f97\u51fa\u7684\u7269\u7406\u7279\u6027\u503c\u8fdb\u884c\u6bd4\u8f83\uff0c\u8fd9\u79cd\u65b9\u6cd5\u8fd8\u53ef\u4ee5\u9884\u6d4b\u6c27\u5316\u94dd\u6750\u6599\u5728\u5404\u79cd\u73af\u5883\u548c\u5929\u6c14\u6761\u4ef6\u4e0b\u7684\u884c\u4e3a\u3002<\/p>\n<p>\u8981\u76f8\u5bf9\u51c6\u786e\u5730\u9884\u6d4b\u6c27\u5316\u94dd\u9676\u74f7\u7684\u5f39\u6027\u6a21\u91cf\uff0c\u9700\u8981\u4f7f\u7528\u4e00\u4e2a\u7ed3\u5408\u5b9e\u9a8c\u6570\u636e\u548c\u6709\u9650\u5143\u6a21\u578b\u7ed3\u679c\u7684\u8fed\u4ee3\u8fc7\u7a0b\u3002\u5728\u8fd9\u6b21\u6d4b\u8bd5\u4e2d\uff0c\u8be5\u6a21\u578b\u88ab\u5e94\u7528\u4e8e\u6c89\u79ef\u5728\u94dd\u57fa\u677f\u4e0a\u7684\u6d82\u5c42\uff0c\u5e76\u8fdb\u884c\u4e86\u4e09\u70b9\u548c\u56db\u70b9\u5f2f\u66f2\u6d4b\u8bd5\uff1b\u5176\u7ed3\u679c\u662f\u51c6\u786e\u9884\u6d4b\u4e86\u8fd9\u4e9b\u6d82\u5c42\u7684\u5f39\u6027\u6a21\u91cf\u4ee5\u53ca\u5176\u4ed6\u591a\u5b54\u6c27\u5316\u94dd\u9676\u74f7\u7684\u673a\u68b0\u6027\u80fd\u3002<\/p>\n<h2>\u538b\u7f29\u5f3a\u5ea6<\/h2>\n<p>\u6750\u6599\u7684\u6297\u538b\u5f3a\u5ea6\u662f\u6307\u6750\u6599\u5728\u6324\u538b\u8377\u8f7d\u4f5c\u7528\u4e0b\u4e0d\u4f1a\u7834\u788e\u6216\u5931\u6548\u7684\u6700\u5927\u5e94\u529b\u80fd\u529b\uff0c\u56e0\u6b64\uff0c\u5728\u4e3a\u6297\u538b\u5f3a\u5ea6\u7b49\u7279\u5b9a\u5e94\u7528\u9009\u62e9\u6df7\u51dd\u571f\u6216\u94a2\u6865\u6881\u6750\u6599\u65f6\uff0c\u8fd9\u4e00\u7279\u6027\u975e\u5e38\u91cd\u8981\u3002\u6297\u538b\u5f3a\u5ea6\u6d4b\u91cf\u53ef\u5305\u62ec\u5355\u8f74\u62c9\u4f38\u8bd5\u9a8c\u6216\u7eb3\u7c73\u538b\u75d5\u8bd5\u9a8c\uff0c\u4e0e\u4f20\u7edf\u7684\u62c9\u4f38\u8bd5\u9a8c\u76f8\u6bd4\uff0c\u7eb3\u7c73\u538b\u75d5\u8bd5\u9a8c\u53ef\u4ea7\u751f\u975e\u7834\u574f\u6027\u4e14\u66f4\u7cbe\u786e\u7684\u7ed3\u679c\u3002<\/p>\n<p>\u7eb3\u7c73\u538b\u75d5\u6d4b\u8bd5\u4f7f\u7528\u4e00\u4e2a\u7ec6\u5c0f\u7684\u9488\u5c16\u5bf9\u88ab\u6d4b\u6750\u6599\u8fdb\u884c\u632f\u52a8\uff0c\u6d4b\u91cf\u65bd\u52a0\u5728\u6750\u6599\u4e0a\u7684\u4efb\u4f55\u529b\uff0c\u5e76\u5229\u7528\u8fd9\u4e9b\u6570\u636e\u8ba1\u7b97\u6750\u6599\u7684\u5f39\u6027\u6a21\u91cf\u3002\u7531\u4e8e\u8fd9\u4e9b\u6d4b\u8bd5\u4ec5\u4f7f\u7528\u6750\u6599\u7684\u5c0f\u6837\u672c\u8fdb\u884c\u6d4b\u8bd5\uff0c\u5176\u7ed3\u679c\u6bd4\u4f20\u7edf\u7684\u62c9\u4f38\u6d4b\u8bd5\u65b9\u6cd5\u80fd\u63d0\u4f9b\u66f4\u7cbe\u786e\u7684\u5206\u5e03\u3002<\/p>\n<p>\u8d85\u58f0\u6ce2\u632f\u52a8\u5206\u6790\u662f\u6d4b\u91cf\u6750\u6599\u5f39\u6027\u6a21\u91cf\u7684\u53e6\u4e00\u79cd\u6709\u6548\u65b9\u6cd5\u3002\u8fd9\u79cd\u65b9\u6cd5\u662f\u7528\u5c04\u5f39\u6572\u51fb\u6837\u54c1\uff0c\u8bb0\u5f55\u5176\u632f\u52a8\u4fe1\u53f7\u8fdb\u884c\u5206\u6790\uff0c\u7136\u540e\u5229\u7528\u8fd9\u4e9b\u4fe1\u606f\u786e\u5b9a\u7eb5\u5411\u548c\u6a2a\u5411\u58f0\u5171\u632f\u9891\u7387\uff0c\u4ece\u800c\u51c6\u786e\u8ba1\u7b97\u51fa\u5f39\u6027\u6a21\u91cf\u503c\u3002<\/p>\n<p>\u6c27\u5316\u94dd\u7684\u5f39\u6027\u7279\u6027\u7531\u5176\u5bc6\u5ea6\u548c\u6cca\u677e\u6bd4\u51b3\u5b9a\uff0c\u4e8c\u8005\u5747\u968f\u6e29\u5ea6\u53d8\u5316\u3002\u6cca\u677e\u6bd4\u5f80\u5f80\u4f1a\u968f\u7740\u6e29\u5ea6\u7684\u5347\u9ad8\u800c\u964d\u4f4e\uff0c\u4f46\u4e00\u65e6\u8fbe\u5230\u70e7\u7ed3\u7684\u70e7\u6210\u6e29\u5ea6\uff0c\u6cca\u677e\u6bd4\u53c8\u4f1a\u56e0\u77f3\u58a8\u5806\u79ef\u6216\u6676\u7c92\u5c3a\u5bf8\u589e\u5927\u5e72\u6270\u70e7\u7ed3\u8fc7\u7a0b\u800c\u9aa4\u7136\u5347\u9ad8\u3002<\/p>\n<p>\u6e29\u5ea6\u3001\u5408\u91d1\u6210\u5206\u548c\u6676\u4f53\u7ed3\u6784\u90fd\u4f1a\u5bf9\u91d1\u5c5e\u7684\u5f39\u6027\u6027\u80fd\u4ea7\u751f\u5f71\u54cd\uff1b\u5b83\u4eec\u7684\u5f39\u6027\u6a21\u91cf\u8fd8\u53d6\u51b3\u4e8e\u8f67\u5236\u8fc7\u7a0b\u4e2d\u7684\u53d6\u5411\u7b49\u5236\u9020\u5de5\u827a\u53d8\u91cf\uff1b\u8fd9\u79cd\u5f71\u54cd\u5bf9\u4f20\u7edf\u94a2\u548c\u9ad8\u5f3a\u5ea6\u94a2\u7b49 BCC 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high Young&#8217;s modulus and compressive and tensile yield strengths make it a highly suitable material for engineering applications. 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