{"id":1690,"date":"2019-05-22T02:47:38","date_gmt":"2019-05-22T02:47:38","guid":{"rendered":"http:\/\/www.meetyoucarbide.com\/single-post-the-introduction-of-fatigue-test-methods\/"},"modified":"2020-05-04T13:12:07","modified_gmt":"2020-05-04T13:12:07","slug":"the-introduction-of-fatigue-test-methods","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/zh\/the-introduction-of-fatigue-test-methods\/","title":{"rendered":"\u75b2\u52b3\u6d4b\u8bd5\u65b9\u6cd5\u4ecb\u7ecd"},"content":{"rendered":"<div class=\"vgblk-rw-wrapper limit-wrapper\">\n<div>\n<div>\u5f53\u6784\u4ef6\u7684\u67d0\u4e00\u70b9\u53d7\u5230\u8db3\u591f\u5927\u7684\u6270\u52a8\u5e94\u529b\u65f6\uff0c\u7ecf\u8fc7\u8db3\u591f\u6b21\u6570\u7684\u5faa\u73af\u540e\u5c31\u4f1a\u5f62\u6210\u88c2\u7eb9\uff0c\u8fd9\u79cd\u73b0\u8c61\u79f0\u4e3a\u75b2\u52b3\u3002\u75b2\u52b3\u65ad\u88c2\u662f\u5de5\u7a0b\u7ed3\u6784\u548c\u6784\u4ef6\u5931\u6548\u7684\u4e3b\u8981\u539f\u56e0\u3002\u76ee\u524d\u7684\u5e94\u7528\u548c\u7814\u7a76\u4e2d\uff0c\u75b2\u52b3\u6d4b\u8bd5\u65b9\u6cd5\u4e3b\u8981\u6709\u56db\u7c7b\uff1a<\/div>\n<div>1\u3001\u540d\u4e49\u5e94\u529b\u5e94\u53d8\u6cd5\uff1b<\/div>\n<div>2\u3001\u5c40\u90e8\u5e94\u529b\u5e94\u53d8\u6cd5\uff1b<\/div>\n<div>3\u3001\u80fd\u91cf\u6cd5\uff1b<\/div>\n<div>4.\u65ad\u88c2\u529b\u5b66\u65b9\u6cd5\u3002<\/div>\n<div>\u672c\u6587\u7b80\u8981\u4ecb\u7ecd\u4e86\u8fd9\u56db\u79cd\u65b9\u6cd5\u53ca\u5176\u5e94\u7528\u3002<\/div>\n<h2>1\u3001\u540d\u4e49\u5e94\u529b\u6cd5<\/h2>\n<div>\u540d\u4e49\u5e94\u529b\u6cd5\u662f\u5bf9\u6807\u51c6\u6784\u4ef6\u8fdb\u884c\u989d\u5b9a\u5e94\u529b\u8bd5\u9a8c\u7684\u65b9\u6cd5\uff0c\u6839\u636e\u6700\u5927\u5faa\u73af\u5e94\u529b\u4e0e\u5c48\u670d\u5e94\u529b\u7684\u5173\u7cfb\u5206\u4e3a\u5e94\u529b\u75b2\u52b3\u548c\u5e94\u53d8\u75b2\u52b3\u3002<\/div>\n<div>\u9996\u5148\u5f15\u5165\u5e94\u529b\u75b2\u52b3\uff0c\u5982\u679c\u6700\u5927\u5faa\u73af\u5e94\u529bSmax\u5c0f\u4e8e\u5c48\u670d\u5e94\u529bSy\uff0c\u5219\u5b9a\u4e49\u4e3a\u5e94\u529b\u75b2\u52b3\u3002\u7531\u4e8e\u7ecf\u5e94\u529b\u75b2\u52b3\u8bd5\u9a8c\uff0c\u6750\u6599\u5bff\u547d\u8fbe104\u6b21\u4ee5\u4e0a\uff0c\u56e0\u6b64\u5e94\u529b\u75b2\u52b3\u53c8\u79f0\u4e3a\u9ad8\u5468\u75b2\u52b3\u3002\u6839\u636e\u5e94\u529b\u75b2\u52b3\u7406\u8bba\uff0c\u91d1\u5c5e\u6750\u6599\u7684\u5e94\u529bS\u4e0e\u5931\u6548\u5faa\u73af\u6b21\u6570N\u5448\u975e\u7ebf\u6027\u5206\u5e03\u3002\u53ef\u7528\u5e42\u51fd\u6570\uff1a\u53d6\u5bf9\u6570\uff1a \uff0c\u6216\u7528\u6307\u6570\uff1a\u53d6\u5bf9\u6570\u6765\u8868\u793a\uff0c\u8fd9\u79cd\u65b9\u6cd5\u79f0\u4e3aSN\u6cd5\u3002\u5b9e\u9645\u6d4b\u8bd5\u4e2d\u4f7f\u7528SN\u66f2\u7ebf\u6216p\uff08\u5b58\u6d3b\u7387\uff09-SN\u66f2\u7ebf\u5bf9\u7ed3\u679c\u8fdb\u884c\u5206\u6790\u3002<\/div>\n<div>\u6750\u6599\u75b2\u52b3SN\u66f2\u7ebf\u4e00\u822c\u91c7\u7528\u5e94\u529b\u75b2\u52b3\u3002\u5982\u56fe1\u548c\u56fe2\u6240\u793a\uff0c\u91c7\u7528\u63d0\u5347\u6cd5\u6d4b\u8bd5AZ31B\u9541\u5408\u91d1\u7684\u75b2\u52b3\u6781\u9650\uff08\u5e94\u529b\u6bd4\u4e3a0.1\uff0c\u75b2\u52b3\u5bff\u547d\u5bf9\u5e94\u75b2\u52b3\u8f7d\u8377\u4e3a107\uff09\u3002\u56fe\u4e2dAZ31B\u9541\u5408\u91d1\u8bd5\u6837\u7684\u75b2\u52b3\u6781\u9650\u4e3a97.29 MPa\u3002<\/div>\n<div>\u56fe1 AZ31B\u9541\u5408\u91d1\u75b2\u52b3\u8bd5\u9a8c<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_03f9357357234c1a828d536ee03ef7c2mv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>\u56fe2 AZ31B\u9541\u5408\u91d1\u75b2\u52b3\u8bd5\u9a8cSN\u66f2\u7ebf<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_22d271e420274aeaa3c108fa12ae12aemv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>\u5e94\u53d8\u75b2\u52b3\u9002\u7528\u4e8e\u9ad8\u8d1f\u8f7d\u3001\u4f4e\u8bbe\u8ba1\u5bff\u547d\u90e8\u4ef6\u7684\u6d4b\u8bd5\u3002\u5b9a\u4e49\u4e3a\uff1a\u5982\u679c\u6700\u5927\u5faa\u73af\u5e94\u529bSmax\u5927\u4e8e\u5c48\u670d\u5e94\u529bSy\uff0c\u5219\u4e3a\u5e94\u53d8\u75b2\u52b3\u3002\u5e94\u529b\u75b2\u52b3\u8bd5\u9a8c\u7528\u4e8e\u7814\u7a76\u90e8\u4ef6\u5728\u9ad8\u8d1f\u8f7d\u548c\u4f4e\u9891\u4e0b\u7684\u60c5\u51b5\u3002\u4f8b\u5982\uff0c\u538b\u529b\u5bb9\u5668\u5728\u4f7f\u7528\u5bff\u547d\u671f\u95f4\uff0c\u603b\u5faa\u73af\u6b21\u6570\u4e3a104\u6b21\u5de6\u53f3\uff0c\u56e0\u6b64\u91c7\u7528\u5e94\u53d8\u4f5c\u4e3a\u75b2\u52b3\u6027\u80fd\u53c2\u6570\u63cf\u8ff0\u3002\u5e94\u529b\u75b2\u52b3\u4e5f\u79f0\u4e3a\u4f4e\u5468\u75b2\u52b3\u3002<\/div>\n<div>\u5b66\u8005\u4eec\u57fa\u4e8e\u5e94\u53d8\u75b2\u52b3\u7814\u7a76\u63d0\u51fa\u4e86\u4ee5\u4e0b\u7406\u8bba\uff0c\u6750\u6599\u7684\u5e94\u529b\u5e94\u53d8\uff08Remberg-Osgood\u5f39\u5851\u6027\u5e94\u529b-\u5e94\u53d8\uff09\u5173\u7cfb\uff1a<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_03163bb2bd494d1a898d3d6b66880bcdmv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>\u5f0f\u4e2d\uff0c\u03b5e\u4e3a\u5f39\u6027\u5e94\u53d8\u5e45\uff0c\u03b5p\u4e3a\u5851\u6027\u5e94\u53d8\u5e45\u3002<\/div>\n<div>\u5728\u7b49\u5e45\u5bf9\u79f0\u5e94\u53d8\u8bd5\u9a8c\u4e2d\uff0c\u7531\u4e8e\u6750\u6599\u53d1\u751f\u5851\u6027\u53d8\u5f62\uff0c\u5f53\u5e94\u53d8\u51cf\u5c0f\u65f6\uff0c\u5e94\u529b\u4e0d\u80fd\u6309\u539f\u6765\u7684\u8def\u5f84\u51cf\u5c0f\uff0c\u5e94\u529b-\u5e94\u53d8\u66f2\u7ebf\u5448\u73af\u5f62\u3002\u8fd9\u6761\u66f2\u7ebf\u79f0\u4e3a\u78c1\u6ede\u56de\u7ebf\u3002\u968f\u7740\u5faa\u73af\u6b21\u6570\u7684\u589e\u52a0\uff0c\u540c\u5e94\u53d8\u5e45\u5e94\u529b\u4f1a\u589e\u5927\u6216\u51cf\u5c0f\u3002\u8fd9\u79cd\u5e94\u529b\u5bf9\u5e94\u4e8e\u53d8\u5316\u7684\u54cd\u5e94\u79f0\u4e3a\u5faa\u73af\u786c\u5316\u6216\u5faa\u73af\u8f6f\u5316\u3002\u5faa\u73af\u8db3\u591f\u51e0\u4e2a\u5faa\u73af\uff0c\u6709\u4e9b\u6750\u6599\u4f1a\u5f62\u6210\u7a33\u5b9a\u7684\u78c1\u6ede\u56de\u7ebf\u3002<\/div>\n<div>\u5728\u5e94\u53d8\u75b2\u52b3\u4e2d\uff0c\u5e94\u529b-\u5e94\u53d8\u66f2\u7ebf\u7528\u4e8e\u63cf\u8ff0\u6750\u6599\u7684\u5faa\u73af\u786c\u5316\u6216\u5faa\u73af\u8f6f\u5316\u8d8b\u52bf\u3002\u5bf9\u4e8e\u5177\u6709\u5bf9\u79f0\u78c1\u6ede\u56de\u7ebf\u66f2\u7ebf\u7684\u6750\u6599\uff0c\u79f0\u4e3a Massing \u6750\u6599\u3002<\/div>\n<div>\u4e0b\u56fe\u4e3aZK60\u9541\u5408\u91d1\u5728\u8f67\u5236\u65b9\u5411\u548c\u6a2a\u5411\u52a0\u8f7d\u65f6\u7684\u03c3-\u03b5\u66f2\u7ebf\u3002\u5728\u6a2a\u5411\u4e0a\uff0c\u5faa\u73af\u786c\u5316\u73b0\u8c61\u660e\u663e\u3002<\/div>\n<div>\u56fe3 ZK60A\u9541\u5408\u91d1\u8f67\u5236\u8f7d\u8377\u6cbf\u03c3-\u03b5\u66f2\u7ebf<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_c410590e49cd4a50b0a1f63880cf90camv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>\u56fe4 ZK60A\u9541\u5408\u91d1\u8f7d\u8377\u6cbf\u6a2a\u5411\u03c3-\u03b5\u66f2\u7ebf<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_d37c5417ea424cff894841b311dd464fmv2-1.png\" alt=\"\" title=\"\"><\/p>\n<h2>2. \u5c40\u90e8\u5e94\u529b\u5e94\u53d8\u6cd5<\/h2>\n<div>\u5bf9\u4e8e\u7f3a\u53e3\u8bd5\u6837\u548c\u5e94\u529b\u96c6\u4e2d\u90e8\u4ef6\uff0c\u91c7\u7528\u5c40\u90e8\u5e94\u529b\u5e94\u53d8\u5206\u6790\u3002\u76ee\u524d\u7684\u7814\u7a76\u8868\u660e\uff0c\u6784\u4ef6\u7684\u75b2\u52b3\u5bff\u547d\u662f\u5c40\u90e8\u6700\u5927\u5e94\u53d8\u548c\u5e94\u529b\uff0c\u5e76\u63d0\u51fa\u4e86\u5e94\u529b\u96c6\u4e2d\u56e0\u5b50\u7684\u6982\u5ff5\u3002\u9002\u7528\u4e8e\u8ba1\u7b97\u6750\u6599\u88c2\u7eb9\u5f62\u6210\u7684\u5bff\u547d\u548c\u9884\u6d4b\u6784\u4ef6\u7684\u6b8b\u4f59\u75b2\u52b3\u5bff\u547d\u3002<\/div>\n<div>\u5c40\u90e8\u5e94\u529b\u6cd5\u63d0\u51fa\u7684\u7406\u8bba\u6709Neuber\u516c\u5f0f\uff08\u5e94\u529b\u96c6\u4e2d\u516c\u5f0f\uff09<\/div>\n<div>\u660e\u7eb3\u7406\u8bba\uff08\u75b2\u52b3\u7d2f\u79ef\u635f\u4f24\u7406\u8bba\uff09\uff1a\u6784\u4ef6\u5728\u6052\u5b9a\u5e94\u529bS\u4e0b\u7684\u75b2\u52b3\u5bff\u547d\u4e3aN\uff0c\u5219\u7ecf\u8fc7n\u6b21\u5faa\u73af\u7684\u635f\u4f24\u4e3a\uff1a<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_fcfeed617b664c52809d96f6bc722658mv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>\u5982\u679c\u5728 k \u4e2a\u6052\u5b9a\u5e94\u529b Si \u4e0b\u8fdb\u884c ni \u4e2a\u5faa\u73af\uff0c\u5219\u603b\u635f\u4f24\u53ef\u5b9a\u4e49\u4e3a\uff1a<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_161f346074bb49d3b6c4e2c864d3d8d3mv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>\u635f\u574f\u6807\u51c6\u662f\uff1a<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_1c53bb96de0b4e77b239fe927d4ba755mv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>\u5c40\u90e8\u5e94\u529b\u6cd5\u7684\u5e94\u7528\u5982\u56fe5\u548c\u56fe6\u6240\u793a\u3002<\/div>\n<div>\u56fe 5. \u7f3a\u53e3\u8bd5\u6837\u7684\u75b2\u52b3\u5bff\u547d\u9884\u6d4b<\/div>\n<div>\u56fe6 \u8d77\u91cd\u673a\u75b2\u52b3\u5bff\u547d\u9884\u6d4b\uff08\u8d77\u91cd\u673a\u5e94\u529b\u5e94\u53d8\u6d4b\u8bd5\u70b9\u5206\u5e03\u56fe\uff09<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_7010ef5f53e0435cbde738d26cd62661mv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>\u5e94\u529b\u96c6\u4e2d\u70b9\u75b2\u52b3\u5bff\u547d\u6309\u4e0b\u5f0f\u8ba1\u7b97\uff1a<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_da61437c3bfa45dd9c0071f55206561cmv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>Where: Sf &#8211; equivalent stress smooth sample fatigue life<\/div>\n<div>\u56fe6 \u8d77\u91cd\u673a\u75b2\u52b3\u5bff\u547d\u8ba1\u7b97\u65b9\u6cd5\u662f\u8f93\u5165\u4e0d\u540c\u8bd5\u9a8c\u70b9\u7684\u65f6\u7a0b\u56fe\u5e76\u8f93\u5165\u5404\u70b9\u7684\u75b2\u52b3\u5bff\u547d\u65b9\u7a0b\uff0c\u8ba1\u7b97\u5404\u70b9\u7684\u6b8b\u4f59\u75b2\u52b3\u5bff\u547d\u3002\u9ed8\u8ba4\u5bff\u547d\u6700\u5c0f\u70b9\u662f\u8bbe\u5907\u7684\u5269\u4f59\u75b2\u52b3\u5bff\u547d\u3002\u5bf9\u4e8e\u8d77\u91cd\u673a\uff0c\u5b66\u8005\u5efa\u8bae\u666e\u901a\u94a2\u6750\u7684\u7d2f\u79ef\u635f\u4f24\u503cD\u8fbe\u52300.68\u3002<\/div>\n<h2>3.\u80fd\u91cf\u6cd5<\/h2>\n<div>\u7ea2\u5916\u70ed\u6210\u50cf\u662f\u4e00\u79cd\u57fa\u4e8e\u6750\u6599\u75b2\u52b3\u8fc7\u7a0b\u80fd\u91cf\u5e38\u6570\u5b9a\u5f8b\u9884\u6d4b\u75b2\u52b3\u6027\u80fd\u7684\u65b9\u6cd5\u3002\u75b2\u52b3\u70ed\u6210\u50cf\u65b9\u6cd5\u662f\u57fa\u4e8e\u75b2\u52b3\u8fc7\u7a0b\u4e2d\u7684\u70ed\u529b\u5b66\u80fdU\u3001\u52a8\u80fdK\u4ee5\u53ca\u5176\u4ed6\u5f62\u5f0f\u7684\u80fd\u91cf\u8017\u6563\u3002\u7269\u4f53\u5438\u6536\u6216\u8017\u6563\u7684\u80fd\u91cf\u53d8\u5316E\u548c\u70ed\u53d8\u5316Q\u4e4b\u548c\u5e94\u4e3a\u4f5c\u7528\u5728\u7269\u4f53\u4e0a\u7684\u529fW\u3002\u76f8\u540c\u3002<\/div>\n<div>\u75b2\u52b3\u70ed\u6210\u50cf\u5177\u6709\u65e0\u635f\u3001\u5b9e\u65f6\u3001\u975e\u63a5\u89e6\u7684\u4f18\u70b9\u3002\u540c\u65f6\uff0c\u7531\u4e8e\u80fd\u91cf\u8017\u6563\u4e0e\u75b2\u52b3\u8f7d\u8377\u4e4b\u95f4\u7684\u975e\u7ebf\u6027\u5173\u7cfb\uff0c\u4ee5\u53ca\u5229\u7528\u6563\u70ed\u8fdb\u884c\u6e29\u5ea6\u8017\u6563\u7684\u8bef\u5dee\uff0c\u4ecd\u4e0d\u9002\u5408\u5de5\u4e1a\u6d4b\u91cf\u3002<\/div>\n<div>\u76ee\u524d\u7814\u7a76\u63d0\u51fa\u4e86\u4ee5\u4e0b\u9884\u6d4b\u6a21\u578b\u7406\u8bba\u3001Luong\u65b9\u6cd5\u3001\u0394Tmax\u548c\u75b2\u52b3\u5bff\u547dNf\u5982\u4e0b\uff1a<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_6b2007319fc74e9591e5ec98d8d7ccadmv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>\u5176\u4e2d\uff1aC1\u3001C2\u4e3a\u5e38\u6570\u3002<\/div>\n<div>\u56e0\u6b64\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e24\u7ebf\u6cd5\u6765\u9884\u6d4b\u75b2\u52b3\u6781\u9650\u3002\u57fa\u4e8e\u6563\u70ed\uff0c\u5b66\u8005\u4eec\u63d0\u51fa\u4e86\u4ee5\u4e0b\u6a21\u578b\uff1a<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_0f690213a79b4802aeaedbf89f991cb3mv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>R-\u6e29\u5347\u659c\u7387<\/div>\n<div>\u4ee5\u4e0b\u662f\u592a\u539f\u7406\u5de5\u5927\u5b66\u5f20\u7ea2\u971e\u8001\u5e08\u56e2\u961f\u5bf9\u75b2\u52b3\u70ed\u6210\u50cf\u65b9\u6cd5\u7684\u7814\u7a76\u3002\u901a\u8fc7\u70ed\u6210\u50cf\u5feb\u901f\u9884\u6d4bAZ31B\u9541\u5408\u91d1\u7684\u75b2\u52b3\u5bff\u547d\u3002\u53ea\u9700\u6d4b\u8bd5\u6837\u54c1\u7b2c\u4e00\u9636\u6bb5\u7684\u6e29\u5347\u5373\u53ef\u6839\u636e\u4e24\u7ebf\u6cd5\u9884\u6d4b\u6750\u6599\u7684\u75b2\u52b3\u6781\u9650\u3002\u5206\u522b\u5982\u56fe7\u3001\u56fe8\u3001\u56fe9\u3002<\/div>\n<div>\u56fe7 AZ31B\u9541\u5408\u91d1\u75b2\u52b3\u8bd5\u9a8c\u4e0d\u540c\u5faa\u73af\u6b21\u6570\u7684\u8868\u9762\u6e29\u5ea6<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_319edd22bceb491693f005816e97d287mv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>\u56fe8 AZ31B\u75b2\u52b3\u8fc7\u7a0b\u6837\u54c1\u8868\u9762\u6e29\u5ea6\u66f2\u7ebf<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_082ae5953ffa4d18bd7b185c0606346emv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>\u56fe9 \u6e29\u5ea6\u968f\u75b2\u52b3\u8f7d\u8377\u7684\u53d8\u5316<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_d2c7447ef71f46a79c0485dd64939c38mv2-1.png\" alt=\"\" title=\"\"><\/p>\n<h2>4 \u65ad\u88c2\u529b\u5b66\u65b9\u6cd5<\/h2>\n<div>\u7ebf\u5f39\u6027\u65ad\u88c2\u529b\u5b66\u662f\u7814\u7a76\u75b2\u52b3\u88c2\u7eb9\u6269\u5c55\u7684\u7406\u8bba\u57fa\u7840\u3002\u75b2\u52b3\u88c2\u7eb9\u6269\u5c55\u4e5f\u53ef\u4ee5\u7528\u5e94\u529b\u5f3a\u5ea6\u56e0\u5b50K\u6765\u5b9a\u91cf\u63cf\u8ff0\u3002<\/div>\n<div>\u5728\u75b2\u52b3\u8f7d\u8377\u4f5c\u7528\u4e0b\uff0c\u88c2\u7eb9\u957f\u5ea6a\u968f\u5faa\u73af\u6b21\u6570N\u7684\u53d8\u5316\u7387\uff0cda\/dN\uff0c\u5373\u4e3a\u75b2\u52b3\u88c2\u7eb9\u6269\u5c55\u901f\u7387\uff0c\u53cd\u6620\u88c2\u7eb9\u6269\u5c55\u7684\u901f\u5ea6\u3002\u5bf9\u4e8e\u7ed9\u5b9a\u7684\u88c2\u7eb9\u957f\u5ea6 a\uff0cda\/dN \u968f\u7740\u5faa\u73af\u5e94\u529b\u5e45\u503c \u0394\u03c3 \u7684\u589e\u52a0\u800c\u589e\u52a0\uff08\u0394\u03c3 \u8d8a\u5927\uff0c\u0394K \u8d8a\u5927\uff09\u3002\u57fa\u4e8e\u8fd9\u4e00\u73b0\u8c61\uff0c\u5b66\u8005\u4eec\u7814\u7a76\u4e86da\/dN-\u0394K\uff08\u88c2\u7eb9\u6269\u5c55\uff09\u3002\u901f\u7387-\u5e94\u529b\u5f3a\u5ea6\u589e\u52a0\u66f2\u7ebf\uff0c\u66f2\u7ebf\u53ef\u5206\u4e3a\u4e09\u4e2a\u533a\u57df\uff1a\u4f4e\u901f\u7387\u533a\u3001\u4e2d\u901f\u7387\u533a\u3001\u9ad8\u901f\u7387\u533a\u3002\u5df4\u9ece\u516c\u5f0f\u6307\u51fa\uff0c\u4e2d\u7b49\u5229\u7387\u7684\u7a33\u5b9a\u5ef6\u4f38\u4e4b\u95f4\u5b58\u5728\u7ebf\u6027\u5173\u7cfb\uff1a<\/div>\n<div>\u88c2\u7eb9\u5c16\u7aef\u5f62\u72b6\u7684\u7ecf\u9a8c\u516c\u5f0f\uff1a<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_3d4ef91ede4c4fb797d629d8e657baa4mv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>\u75b2\u52b3\u88c2\u7eb9\u7684\u5f62\u6210\u548c\u6269\u5c55\u53ef\u4ee5\u7edf\u4e00\u5728\u635f\u4f24\u529b\u5b66\u7684\u6846\u67b6\u4e0b\u3002<\/div>\n<div>\u4e0b\u9762\u5bf9AZ31B\u9541\u5408\u91d1\u7684\u88c2\u7eb9\u6269\u5c55\u901f\u7387\u8fdb\u884c\u7814\u7a76\uff0c\u5e76\u5bf9AZ31B\u7684\u7a33\u5b9a\u6269\u5c55\u901f\u7387\u8fdb\u884c\u8bc4\u4ef7\u3002<\/div>\n<div>\u56fe10 \u75b2\u52b3\u88c2\u7eb9\u5c16\u7aef\u7ade\u4e89\u673a\u5236\u793a\u610f\u56fe<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_942772b8baa9492dbaef74d48ed41ebemv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>\u56fe11 \u88c2\u7eb9\u5c16\u7aef\u5e94\u529b\u5e94\u53d8\u573a\u4e09\u4e2a\u4e0d\u540c\u533a\u57df\u793a\u610f\u56fe<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_3f99bdf9ed00412691f6d5c5c5eeaf31mv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>\u56fe12 \u75b2\u52b3\u88c2\u7eb9\u5c16\u7aef\u7ade\u4e89\u673a\u5236aN\u66f2\u7ebf\u793a\u610f\u56fe<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_d9c15e59609a4e358160924320a69d3amv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>\u56fe13 \u75b2\u52b3\u88c2\u7eb9\u5c16\u7aef\u7ade\u4e89\u673a\u5236da\/dN-\u0394K\u66f2\u7ebf\u793a\u610f\u56fe<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_8bb9a14257b94e8e8a339cc39be28d76mv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>AB\u6bb5\uff08\u4e2d\u901f\u533a\uff09\uff1ada\/dN=4.57\u00d710-7(\u0394K)3.25 (7.2\uff1c\u0394K\u226413.5 MPa\u2022m1\/2)<\/div>\n<div>BC\u6bb5\uff08\u9ad8\u901f\u7387\u533a\uff09\uff1ada\/dN=3.16\u00d710-10(\u0394K)6.21(13.5\uff1c\u0394K\u226422.1 MPa\u2022m1\/2)<\/div>\n<div>\u7ed3\u8bba\uff1a<\/div>\n<div>\u8fd9\u56db\u79cd\u65b9\u6cd5\u5728\u5e94\u7528\u4e0a\u6709\u6240\u4e0d\u540c\u3002\u540d\u4e49\u5e94\u529b\u6cd5\u548c\u5c40\u90e8\u5e94\u529b\u6cd5\u9002\u7528\u4e8e\u5de5\u4e1a\u9886\u57df\u7684\u6750\u6599\u548c\u6784\u4ef6\u6027\u80fd\u6d4b\u8bd5\u3002\u80fd\u91cf\u6cd5\u53ef\u4ee5\u9884\u6d4b\u6750\u6599\u7684\u75b2\u52b3\u5bff\u547d\uff0c\u65ad\u88c2\u529b\u5b66\u65b9\u6cd5\u6210\u529f\u5730\u5c06\u75b2\u52b3\u88c2\u7eb9\u7684\u5f62\u6210\u548c\u6269\u5c55\u7edf\u4e00\u8d77\u6765\u3002<\/div>\n<\/div>\n<\/div>\n<p><!-- .vgblk-rw-wrapper --><\/p>","protected":false},"excerpt":{"rendered":"<p>When a point of the component is subjected to a sufficiently large disturbance stress, a crack is formed after a sufficient number of cycles, and this phenomenon is called fatigue. Fatigue fracture is the main cause of failure of engineering structures and components. In the current application and research, there are four main types of&#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[79],"tags":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/zh\/wp-json\/wp\/v2\/posts\/1690"}],"collection":[{"href":"https:\/\/www.meetyoucarbide.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.meetyoucarbide.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/zh\/wp-json\/wp\/v2\/comments?post=1690"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/zh\/wp-json\/wp\/v2\/posts\/1690\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/zh\/wp-json\/wp\/v2\/media?parent=1690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/zh\/wp-json\/wp\/v2\/categories?post=1690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/zh\/wp-json\/wp\/v2\/tags?post=1690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}