{"id":115918,"date":"2017-12-10T06:30:25","date_gmt":"2017-12-09T22:30:25","guid":{"rendered":"\/\/m.iemloyee.com\/?p=115918"},"modified":"2017-12-07T23:20:20","modified_gmt":"2017-12-07T15:20:20","slug":"acta-mater-%ef%bc%9a%e7%9b%b8%e5%8f%98%e8%af%b1%e5%af%bc%e5%a1%91%e6%80%a7%ef%bc%88trip%ef%bc%89%e9%92%a2%e4%b8%ad%e5%90%8c%e6%97%b6%e5%bd%a2%e6%88%90%e8%b4%9d%e6%b0%8f%e4%bd%93%e5%92%8c%e9%93%81","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=115918","title":{"rendered":"Acta Mater.\uff1a\u76f8\u53d8\u8bf1\u5bfc\u5851\u6027\uff08TRIP\uff09\u94a2\u4e2d\u540c\u65f6\u5f62\u6210\u8d1d\u6c0f\u4f53\u548c\u94c1\u7d20\u4f53\u7684\u76f8\u573a\u6a21\u62df"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

\u76f8\u53d8\u8bf1\u5bfc\u5851\u6027\uff08TRIP\uff09\u94a2\u4e3b\u8981\u662f\u7531\u94c1\u7d20\u4f53\u3001\u8d1d\u6c0f\u4f53\u3001\u9a6c\u6c0f\u4f53\u548c\u5927\u91cf\u6b8b\u4f59\u5965\u6c0f\u4f53\uff080.10-0.20\uff09\u7ec4\u6210\u7684\u590d\u6742\u7ec4\u7ec7\uff0c\u5176\u5fae\u89c2\u7ec4\u7ec7\u4e2d\u5b58\u5728\u7684\u6b8b\u7559\u5965\u6c0f\u4f53\u663e\u8457\u63d0\u9ad8\u4e86\u6750\u6599\u7684\u5f3a\u5ea6\u548c\u4f38\u957f\u7387\u3002<\/p>\n

TRIP\u6548\u5e94\u662f\u6307\u5728\u53d8\u5f62\u8fc7\u7a0b\u4e2d\u7531\u5e94\u53d8\u5f15\u8d77\u7684\u6b8b\u4f59\u5965\u6c0f\u4f53\u5411\u9a6c\u6c0f\u4f53\u7684\u8f6c\u53d8\u3002\u94a2\u4e2d\u7531\u4e8e\u6dfb\u52a0\u4e86Si\u6216Al\uff0c\u78b3\u5316\u7269\u6c89\u6dc0\u5728\u8d1d\u6c0f\u4f53\u8f6c\u53d8\u9636\u6bb5\u671f\u95f4\u88ab\u63a8\u8fdf\uff0c\u4ece\u800c\u5f62\u6210\u4e0d\u542b\u78b3\u5316\u7269\u7684\u8d1d\u6c0f\u4f53\u3002\u6240\u4ee5\u5728\u5f62\u6210\u8d1d\u6c0f\u4f53\u671f\u95f4\uff0c\u5269\u4f59\u7684\u5965\u6c0f\u4f53\u4e3a\u5bcc\u78b3\u76f8\uff0c\u5728\u5ba4\u6e29\u4e0b\u53ef\u4ee5\u4fdd\u6301\u9ad8\u7a33\u5b9a\u6027\u3002<\/p>\n

TRIP\u94a2\u53ef\u91c7\u7528\u8bb8\u591a\u534a\u7ecf\u9a8c\u76f8\u53d8\u6a21\u578b\u6a21\u62df\uff0c\u8fd9\u4e9b\u6a21\u578b\u4e3b\u8981\u662f\u57fa\u4e8eJohnson-Mehl-Avrami-Kolmogorov\uff08JMAK\uff09\u65b9\u6cd5\uff0c\u6b64\u5916\uff0c\u5728TRIP\u94a2\u4e2d\u4e5f\u53ef\u4ee5\u5e94\u7528\u8d1d\u6c0f\u4f53\u5f62\u6210\u7684\u5206\u6790\u6a21\u578b\u3002\u8fd9\u4e9b\u534a\u7ecf\u9a8c\u7684\u65b9\u6cd5\u662f\u7528\u6765\u63cf\u8ff0\u94c1\u7d20\u4f53\u548c\u8d1d\u6c0f\u4f53\u8f6c\u53d8\u6574\u4f53\u52a8\u529b\u5b66\u7684\u6709\u5229\u5de5\u5177\uff0c\u7136\u800c\uff0c\u5b83\u4eec\u5e76\u6ca1\u6709\u8003\u8651\u5230\u5fae\u89c2\u590d\u6742\u7ed3\u6784\u7684\u5f62\u6001\u65b9\u9762\u3002\u4e3a\u4e86\u7ed3\u5408\u94c1\u7d20\u4f53\u548c\u8d1d\u6c0f\u4f53\u7684\u5f62\u6001\u7279\u5f81\uff0c\u53ef\u4ee5\u4f7f\u7528\u73b0\u5728\u5e7f\u6cdb\u7528\u4e8e\u5965\u6c0f\u4f53\u5206\u89e3\u7684\u4e2d\u5c3a\u5ea6\u65b9\u6cd5\uff0c\u5305\u62ec\uff1a\u76f8\u573a\u6a21\u62df\uff08PFM\uff09\uff0c\u8499\u7279\u5361\u7f57\uff08MC\uff09\u65b9\u6cd5\u548c\u7ec6\u80de\u81ea\u52a8\u673a\uff08CA\uff09\uff0cPFM\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5efa\u6a21\u5de5\u5177\uff0c\u56e0\u4e3a\u5b83\u4e0d\u9700\u8981\u660e\u786e\u5730\u8ddf\u8e2a\u754c\u9762\uff0c\u5e38\u7528\u4e8e\u6a21\u62df\u5177\u6709\u590d\u6742\u5f62\u6001\u7279\u5f81\u7684\u5fae\u89c2\u7ed3\u6784\u6f14\u53d8\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u4e0d\u5217\u98a0\u54e5\u4f26\u6bd4\u4e9a\u5927\u5b66\u7684<\/strong>Morteza Toloui (<\/strong>\u901a\u8baf\u4f5c\u8005<\/strong>)<\/strong>\u5728Acta Materialia.<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cPhase \ufb01eld modeling of the simultaneous formation of bainite and ferrite in TRIP steel<\/strong>\u201d\u7684\u6587\u7ae0\uff0c\u4ed6\u4eec\u7684\u7814\u7a76\u8868\u660e\uff0c\u5728\u76f8\u53d8\u8bf1\u5bfc\u5851\u6027\uff08TRIP\uff09\u94a2\u4e2d\u7684\u8d1d\u6c0f\u4f53\u8f6c\u53d8\u671f\u95f4\uff0c\u6dfb\u52a0\u7684Si\u6216Al\u53ef\u4ee5\u5ef6\u8fdf\u6e17\u78b3\u4f53\u6c89\u6dc0\uff0c\u76f8\u53d8\u4ea7\u7269\u901a\u5e38\u88ab\u79f0\u4e3a\u65e0\u78b3\u5316\u7269\u8d1d\u6c0f\u4f53\u3002<\/p>\n

\u7814\u7a76\u4eba\u5458\u63d0\u51fa\u4e86\u4e00\u79cd\u6821\u51c6\u591a\u76f8\u573a\u6a21\u578b\u53c2\u6570\u7684\u65b9\u6cd5\uff0c\u5373\u6a21\u62dfTRIP\u94a2\u4e2d\u5965\u6c0f\u4f53\u5206\u89e3\u4e3a\u94c1\u7d20\u4f53\u548c\u8d1d\u6c0f\u4f53\uff0c\u5728\u5965\u6c0f\u4f53\u6676\u754c\u5904\u5f15\u5165\u94c1\u7d20\u4f53\u5f62\u6838\u4e2d\u5fc3\uff0c\u7528\u5408\u9002\u7684\u754c\u9762\u8fc1\u79fb\u7387\uff0c\u89e3\u91ca\u5b9e\u9a8c\u4e2d\u94c1\u7d20\u4f53\u7684\u5f62\u6210\u7684\u52a8\u529b\u5b66\u673a\u5236\uff1b\u8d1d\u6c0f\u4f53\u6210\u6838\u662f\u5728\u5408\u9002\u7684\u754c\u9762\u4f4d\u7f6e\uff08\u5373\u5965\u6c0f\u4f53\u6676\u754c\uff0c\u5965\u6c0f\u4f53-\u94c1\u7d20\u4f53\u754c\u9762\uff09\uff0c\u6216\u5728\u5f88\u9ad8\u7684\u8fc7\u51b7\u5ea6\u4e0b\u7684\u5965\u6c0f\u4f53\u6676\u7c92\u5185\u53d1\u751f\u3002\u4e3a\u4e86\u7b80\u5316\uff0c\u8003\u8651\u4e86\u65e0\u78b3\u5316\u7269\u8d1d\u6c0f\u4f53\u7684\u5f62\u6210\uff0c\u63d0\u51fa\u4e86\u9002\u5408\u5965\u6c0f\u4f53-\u8d1d\u6c0f\u4f53\u754c\u9762\u8fc1\u79fb\u7684\u5404\u5411\u5f02\u6027\u65b9\u6cd5\uff0c\u8fd9\u662f\u6a21\u578b\u7684\u57fa\u51c6\uff0c\u53ef\u4ee5\u901a\u8fc7\u8fde\u7eed\u51b7\u5374\u53d8\u5316\u7684\u5b9e\u9a8c\u6570\u636e\u8fdb\u884c\u9a8c\u8bc1\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe1 I\u578b\u5f62\u6838\u540e\u7684\u8d1d\u6c0f\u4f53\u7684\u751f\u957f\u793a\u610f\u56fe<\/p>\n

\"\"<\/p>\n

a\uff09I\u578b\u5f62\u6838\u540e\u7684\u8d1d\u6c0f\u4f53\u7684\u6ed1\u8f6e\u751f\u957f\u65b9\u5f0f\u793a\u610f\u56fe\uff1b<\/p>\n

b\uff09I\u578b\u5f62\u6838\u540e\u7684\u8d1d\u6c0f\u4f53\u7684\u591a\u9762\u589e\u957f\u76843\u7ef4\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe2 \u5404\u5411\u5f02\u6027\u53c2\u6570\u5bf9\u5728PAGB\u8d1d\u6c0f\u4f53\u5f62\u6838\u65f6\u5f62\u6001\u7684\u5f71\u54cd<\/p>\n

\"\"<\/p>\n

(a) kst =0.08, kkin =0.01\uff1b<\/p>\n

(b) kst =0.01, kkin =0.01\uff1b<\/p>\n

(c) kst =0.01, kkin =0.04\uff1b<\/p>\n

(d) kst =0.04, kkin =0.04\uff1b<\/p>\n

(e) kst =0.3, kkin =0.04\uff1b<\/p>\n

(f) kst =0.08, kkin =0.3\uff1b<\/p>\n

(g) kst =0.3, kkin =0.3\u3002<\/p>\n

\u7ea2\u8272\uff0c\u84dd\u8272\u548c\u9ec4\u8272\u5206\u522b\u8868\u793a\u5965\u6c0f\u4f53\uff0c\u754c\u9762\u548c\u8d1d\u6c0f\u4f53\u3002<\/p>\n

\u56fe3 \u8fde\u7eed\u51b7\u5374\u8f6c\u5316\u52a8\u529b\u5b66\u7684\u5b9e\u9a8c\u4e0eMPFM\u6a21\u62df\u5bf9\u6bd4<\/p>\n

\"\"<\/p>\n

\u56fe4 \u5b9e\u9a8c\u4e0e\u9884\u6d4b\u7684\u5fae\u89c2\u7ed3\u6784\u5bf9\u6bd4<\/p>\n

\"\"<\/p>\n

a\uff0cb\uff09\u60c5\u51b51\uff0c\u52a0\u70ed\u6e29\u5ea6\u4e3a1223K\uff0c\u51b7\u5374\u901f\u73871 K\/s<\/p>\n

c\uff0cd\uff09\u60c5\u51b56\uff0c\u52a0\u70ed\u6e29\u5ea6\u4e3a1373K\uff0c\u51b7\u5374\u901f\u73875 K\/s<\/p>\n

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\u56feb\u548cd\u662f\u901a\u8fc7\u5c064\u4e2a\u76f8\u540c\u7684\u6a21\u62df\u5fae\u7ed3\u6784\u62fc\u63a5\u5728\u4e00\u8d77\u800c\u5f97\u5230\u7684\uff0c\u56feb\u4e2d\u7684\u6b63\u65b9\u5f62\u533a\u4e2d\u4ee3\u8868\u4eff\u771f\u533a\u57df\u3002<\/p>\n

\u56fe5 \u8ba1\u7b97\u4e0e\u5b9e\u9a8c\u4e2d\u7684TRIP\u94a2\u7684\u8f6c\u5316\u4ea7\u7269\u6bd4\u4f8b\u5bf9\u6bd4<\/p>\n

\"\"<\/p>\n

\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n

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\u76ee\u524d\u7684\u6a21\u578b\u53ea\u8003\u8651\u8d1d\u6c0f\u4f53\u7684\u4e00\u79cd\u53d8\u4f53\uff0c\u5373\u4e0a\u8d1d\u6c0f\u4f53\uff0c\u6709\u5173\u4e0b\u8d1d\u6c0f\u4f53\u7684\u7814\u7a76\u8fd8\u9700\u8981\u66f4\u591a\u7684\u6676\u4f53\u53d6\u5411\u7684\u6570\u636e\uff0c\u5c24\u5176\u662f\u5965\u6c0f\u4f53-\u8d1d\u6c0f\u4f53\u76f8\u53d8\u7279\u5f81\u7684\u4e0d\u540c\u53d6\u5411\u53d8\u4f53\uff0c\u5e76\u4e14\u6b64\u6a21\u578b\u8fd8\u53ef\u4ee5\u8003\u8651\u8d1d\u6c0f\u4f53\u8f6c\u53d8\u7684\u5e94\u53d8\u6548\u5e94\u548c\u4f4d\u79fb\u7684\u5f71\u54cd\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Phase \ufb01eld modeling of the simultaneous formation of bainite and ferrite in TRIP steel<\/a>\uff08Acta Materialia.,2017,DOI: 10.1016\/j.actamat.2017.11.047\uff09<\/p>\n

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