{"id":115242,"date":"2017-12-03T14:00:21","date_gmt":"2017-12-03T06:00:21","guid":{"rendered":"\/\/m.iemloyee.com\/?p=115242"},"modified":"2017-12-03T11:30:21","modified_gmt":"2017-12-03T03:30:21","slug":"acta-mater-%ef%bc%9a%e5%a4%9a%e5%b0%ba%e5%ba%a6%e7%ba%a6%e6%9d%9f%e6%9d%a1%e4%bb%b6%e4%b8%8b%ef%bc%8c%e8%b6%85%e5%bc%b9%e6%80%a7%e5%bd%a2%e7%8a%b6%e8%ae%b0%e5%bf%86%e5%90%88%e9%87%91niti%e5%8d%95","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=115242","title":{"rendered":"Acta Mater.\uff1a\u591a\u5c3a\u5ea6\u7ea6\u675f\u6761\u4ef6\u4e0b\uff0c\u8d85\u5f39\u6027\u5f62\u72b6\u8bb0\u5fc6\u5408\u91d1NiTi\u5355\u6676\u53d8\u5f62\u673a\u5236\u7684\u539f\u4f4d\u4e09\u7ef4\u8868\u5f81"},"content":{"rendered":"

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

\u5f62\u72b6\u8bb0\u5fc6\u5408\u91d1 \uff08Shape Memory Alloy \uff0c\u7b80\u79f0SMA\uff09\u662f\u4e00\u79cd\u65b0\u578b\u529f\u80fd\u6750\u6599\uff0c\u5177\u6709\u72ec\u7279\u7684\u5f62\u72b6\u8bb0\u5fc6\u6548\u5e94\u548c\u8d85\u5f39\u6027\u7279\u6027\u8d85\u5f39\u6027\u3002\u8d85\u5f39\u6027\u662f\u8bb0\u5fc6\u5408\u91d1\u6750\u6599\u7684\u4e3b\u8981\u7279\u6027\u4e4b\u4e00\uff0c\u5373\u5f62\u72b6\u8bb0\u5fc6\u5408\u91d1\u4ea7\u751f\u8f83\u5927\u7684\u53d8\u5f62\uff0c\u5728\u5916\u529b\u64a4\u9664\u540e\u80fd\u591f\u56de\u590d\u5230\u53d8\u5f62\u524d\u7684\u5f62\u72b6\uff0c\u4e14\u5e94\u529b\uff0d\u5e94\u53d8\u5173\u7cfb\u5448\u73b0\u975e\u7ebf\u6027\u7279\u5f81\u3002\u5f62\u72b6\u8bb0\u5fc6\u5408\u91d1\u662f\u4e00\u79cd\u76f8\u53d8\u6750\u6599\uff0c\u901a\u5e38\u5b58\u5728\u5965\u6c0f\u4f53\u548c\u9a6c\u6c0f\u4f53\u76f8\u4e24\u79cd\u76f8\u3002\u4e24\u79cd\u76f8\u6001\u4f1a\u968f\u5916\u90e8\u6761\u4ef6\u7684\u5f71\u54cd\u800c\u53d1\u751f\u76f8\u4e92\u8f6c\u53d8\uff0c\u6309\u76f8\u53d8\u7684\u53d1\u751f\u539f\u56e0\u53ef\u5206\u4e3a\u5e94\u529b\u8bf1\u53d1\u76f8\u53d8\u548c\u6e29\u5ea6\u8bf1\u53d1\u76f8\u53d8\u3002\u57fa\u4e8e\u5f62\u72b6\u8bb0\u5fc6\u5408\u91d1\u7279\u6b8a\u7684\u529b\u5b66\u6027\u80fd\uff0c\u5176\u5728\u667a\u80fd\u7cfb\u7edf\u4ee5\u53ca\u5de5\u7a0b\u65b9\u9762\u7684\u5e94\u7528\u4e5f\u8d8a\u6765\u8d8a\u6df1\u5165\u548c\u5e7f\u6cdb\u3002\u7531\u4e8e\u8fd1\u4e9b\u5e74\u7814\u7a76\u4eba\u5458\u5bf9\u5f62\u72b6\u8bb0\u5fc6\u5408\u91d1\u6240\u505a\u7684\u5927\u91cf\u7814\u7a76\uff0c\u5176\u5728\u5e94\u7528\u4e2d\u7684\u96be\u9898\u9010\u6b65\u5f97\u5230\u89e3\u51b3\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u7f8e\u56fd\u897f\u5317\u5927\u5b66\u673a\u68b0\u5de5\u7a0b\u5b66\u9662\u3001\u79d1\u7f57\u62c9\u591a\u77ff\u4e1a\u5927\u5b66\u673a\u68b0\u5de5\u7a0b\u5b66\u9662\u7684Harshad M. Paranjape<\/strong>\uff08\u901a\u8baf\u4f5c\u8005\uff09\u4e0e\u963f\u8d21\u56fd\u5bb6\u5b9e\u9a8c\u5ba4\u3001\u5eb7\u5948\u5c14\u5927\u5b66\u53ca\u897f\u4f2f\u5229\u4e9a\u7269\u7406\u6280\u672f\u7814\u7a76\u6240\u7814\u7a76\u5458\u5408\u4f5c\uff0c\u5728Acta Materialia<\/strong>\u53d1\u8868\u4e86\u9898\u4e3a\u201cIn situ,3D characterization of deformation mechanics of a superelastic NiTi shape memory alloy single crystal under multiscale constraint<\/strong> \u201d\u7684\u6587\u7ae0\u3002\u901a\u8fc7\u5229\u7528\u539f\u4f4d\u4e09\u7ef4\u975e\u7834\u574f\u6027\u8868\u5f81\u6280\u672f\uff0c\u8fdc\u573a\u9ad8\u80fdX\u5c04\u7ebf\u884d\u5c04\u663e\u5fae\u955c\uff08ff-HEDM\uff09\uff0c\u7814\u7a76\u4e86\u8d85\u5f39\u6027NiTi\u5355\u6676\u4f53\u4e2dB2\u548cB19\uff0c<\/sup>\u76f8\u53d8\u5f62\u548c\u5fae\u89c2\u7ec4\u7ec7\u7684\u6f14\u53d8\uff0c\u7ed3\u5408\u5b9e\u9a8c\u6570\u636e\uff0c\u5efa\u7acb\u5fae\u89c2\u7ed3\u6784\u6a21\u578b\uff0c\u6a21\u62df\u4e86\u6837\u672c\u7684\u5c40\u90e8\u5e94\u529b\u72b6\u6001\u3002\u8fd9\u79cd3D\u5b9e\u9a8c-\u6a21\u578b\u76f8\u7ed3\u5408\u7684\u65b9\u6cd5\u5bf9\u7814\u7a76\u7ea6\u675f\u5bf9\u975e\u5f39\u6027\u53d8\u5f62\u7684\u5f71\u54cd\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def\u3002<\/p>\n

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

\u56fe<\/strong>1.<\/strong>\u6837\u54c1\u51e0\u4f55\u5f62\u72b6\u53ca\u5fae\u89c2\u7ed3\u6784\u6a21\u62df\u7684\u66f2\u9762\u7ec6\u5206\u65b9\u6848<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u865a\u7ebf\u77e9\u5f62\u8868\u793a\u7684\u62c9\u4f38\u6837\u54c1\u7684\u6807\u8ddd\uff0c\u5b9e\u7ebf\u77e9\u5f62\u8868\u793a\u6a21\u62df\u7684\u533a\u57df\u3002<\/p>\n

\uff08b\uff09\u6a21\u62df\u8fc7\u7a0b\u4e2d\u7684\u7f51\u683c\u5206\u5e03\uff0c\u63d2\u56fe\u8868\u793a\u6807\u8ddd\u5185\u7684\u7f51\u683c\u5bc6\u5ea6\u3002<\/p>\n

\uff08c\uff09\u7ef4\u8bfa\u5212\u5206(Voronoi tessellation)\u4ee3\u8868B2\u6676\u7c92\u3002<\/p>\n

\uff08d\uff09\u6bcf\u4e2aB2\u6676\u7c92\u4e2d\u7684\u5b6a\u751fB19\u2019\u5355\u5143\uff0c\u84dd\u8272\u4ee3\u8868B2\uff0c\u6807\u8ddd\u90e8\u5206\u7684\u7f51\u683c\u5212\u5206\u89c1\u63d2\u56fe\u3002<\/p>\n

\uff08e\uff09\u6807\u8ddd\u90e8\u5206\u5207\u9762\u663e\u793a\u4e86\u6a21\u578b\u5316\u7684\u5939\u6742\u7269\u6392\u5e03\u3002\u5939\u6742\u7269\u4ee5\u7070\u8272\u663e\u793a\u3002 \u63d2\u56fe\u663e\u793a\u4e86\u6837\u54c1\u4e2d\u5939\u6742\u7269\u5206\u5e03\u7684SEM\u663e\u5fae\u7167\u7247\u3002<\/p>\n

\u56fe<\/strong>2.<\/strong>\u5e94\u529b<\/strong>–<\/strong>\u5e94\u53d8\u5206\u5e03\u53ca\u76f8\u5e94\u7684\u7269\u76f8\u53d8\u5316<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u5b8f\u89c2\u7684\u8f74\u5411\u5e94\u529b-\u5e94\u53d8\u66f2\u7ebf\uff0c ff-HEDM\u5728\u7ea2\u70b9\u6807\u8bb0\u7684\u2460\u81f3\u246d\u8fdb\u884c\u6d4b\u91cf\u3002<\/p>\n

\uff08b\uff09\u2460\uff0c\u2468\u548c\u246d\u5904\u7684\u884d\u5c04\u66f2\u7ebf\u5206\u5e03\uff0c\u884d\u5c04\u5cf0\u7684\u4f4d\u7f6e\u5bf9\u5e94\u4e8e\u8d85\u5f39\u6027NiTi\u4e2d\u56db\u4e2a\u5e38\u89c1\u7684\u7269\u76f8\u3002<\/p>\n

\uff08c\uff09DIC\u6d4b\u91cf\u7684\u8f74\u5411\u8868\u9762\u5e94\u53d8\u573a\u7684\u6f14\u53d8\uff0c\u5e73\u5747\u503c\u53ca\u6807\u51c6\u5dee\u6807\u6ce8\u4e8e\u6bcf\u5f20\u56fe\u7247\u4e0a\u65b9\u3002<\/p>\n

\u56fe<\/strong>3.<\/strong>\u70ed\u6548\u5e94\u548c\u7535\u5b50\u663e\u5fae\u955c\u7684\u89c2\u6d4b\u7ed3\u679c<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u6837\u54c1\u4e24\u4e2a\u4f4d\u7f6e\u5904\u7684\u5dee\u793a\u626b\u63cf\u91cf\u70ed\u4eea\uff08DSC\uff09\u66f2\u7ebf\uff0c\u663e\u793a\u51fa\u5f88\u5bbd\u7684\u5cf0\u5bbd\u3002<\/p>\n

\uff08b\uff09\u626b\u63cf\u7535\u5b50\u663e\u5fae\u955c\uff08SEM\uff09\u56fe\u50cf\u663e\u793a\u51fa\u5939\u6742\u7269\uff08\u679d\u6676\uff09\u7684\u5206\u5e03\uff0c \u63d2\u56fe\u7ed9\u51fa\u4e86\u5355\u4e2a\u65ad\u88c2\u5939\u6742\u7269\u7684\u7279\u5199\u3002<\/p>\n

\uff08c\uff09\u4f20\u7edf\u7684TEM\u4eae\u573a\u50cf\u663e\u793a\u4e86\u7c97\u5927\u7684Ni4<\/sub>Ti3<\/sub>\u6790\u51fa\uff08\u7531\u7bad\u5934\u793a\u51fa\uff09\u4ee5\u53ca\u76f8\u5e94\u7684\u9009\u533a\u7535\u5b50\u884d\u5c04\u82b1\u6837\uff08\u63d2\u56fe\uff09\uff0c\u884d\u5c04\u82b1\u6837\u662f\u6cbfNi4<\/sub>Ti3<\/sub>\u6790\u51fa\u7269\u7684[100]\u83f1\u65b9<\/sub>\u6676\u5e26\u8f74\u62cd\u6444\u5f97\u5230\u7684\u3002<\/p>\n

\u56fe<\/strong>4.<\/strong>\u5fae\u89c2\u7ed3\u6784\u6a21\u62df\u7ed3\u679c<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09600MPa\u5b8f\u89c2\u5e94\u529b\u4e0b\u7684\u8f74\u5411\u5e94\u529b\uff0c B2\u5c0f\u89d2\u5ea6\u6676\u754c\u7528\u865a\u7ebf\u8868\u793a\u3002<\/p>\n

\uff08b\uff09\u6807\u8ddd\u4f4d\u7f6e\u663e\u793a\u4e86800MPa\u5b8f\u5e94\u529b\u4e0b\u7684\u5c40\u90e8\u5e94\u529b\u5206\u5e03\uff1b \u63d2\u56fe\u663e\u793a\u4e86\u5939\u6742\u7269\u5468\u56f4\u7684\u975e\u5747\u5300\u8f74\u5411\u5e94\u529b\uff0c \u5939\u6742\u7269\u672c\u8eab\u7684\u5e94\u529b\u5206\u5e03\u6ca1\u6709\u663e\u793a\u3002<\/p>\n

\uff08c\uff09\u5bf9\u5e94\u4e8e\uff08b\uff09\u622a\u9762\u4e2d\u7684B19\uff0c<\/sup>\u5fae\u7ed3\u6784\uff1b \u84dd\u8272\u533a\u57df\u5bf9\u5e94\u4e8eB2\uff0c\u5176\u4ed6\u989c\u8272\u5bf9\u5e94\u4e8e\u4e0d\u540c\u7684B19\uff0c<\/sup>\u53d8\u4f53\u3002<\/p>\n

\u56fe<\/strong>5<\/strong>\u5cf0\u503c\u8f7d\u8377\u4e0b\u7684\u5e94\u53d8\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09DIC\u5728\u5cf0\u503c\u8f7d\u8377\u4e0b\u6d4b\u5f97\u7684\u6807\u8ddd\u533a\u57df\u5185\u7684\u8f74\u5411\u603b\u5e94\u53d8\uff08\u03b5total<\/sup>\uff09\u3002<\/p>\n

\uff08b\uff09\u6839\u636eDIC\u6d4b\u91cf\u7684\u603b\u5e94\u53d8\u548cff-HEDM\u6d4b\u91cf\u7684B2\u548cB19\uff0c<\/sup>\u4e2d\u7684\u6676\u683c\u5e94\u53d8\uff0c\u8ba1\u7b97\u5f97\u5230\u5cf0\u503c\u8f7d\u8377\u4e0b\u7684\u76f8\u53d8\u5e94\u53d8\u5206\u5e03\uff0c\u03b5trans<\/sup>=\u03b5total<\/sup>-\u03b5lattice<\/sup>B2<\/sub>– \u03b5lattice<\/sup>B19<\/sub>\uff0c<\/sup>\u3002<\/p>\n

\u56fe<\/strong>6<\/strong>\u5e94\u529b\u72b6\u6001\u7684\u6a21\u62df\u4ee5\u53ca\u5939\u6742\u7269\u5468\u56f4<\/strong>B19’HPV<\/strong>\u5206\u5e03\u7684\u9884\u6d4b<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09800MPa\u5b8f\u89c2\u5e94\u529b\u4e0b\u8f74\u5411\u5e94\u529b\u7684\u5206\u5e03\u3002<\/p>\n

\uff08b\uff09\u57fa\u4e8e\u529f\u6700\u5927\u51c6\u5219\uff0c\u6bcf\u70b9\u5904\u7279\u5b9a\u60ef\u4e60\u9762\u53d8\u4f53\uff08HPV\uff09\u7684\u7406\u8bba\u8f74\u5411\u76f8\u53d8\u5e94\u53d8\u3002<\/p>\n

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

NiTi\u5f62\u72b6\u8bb0\u5fc6\u5408\u91d1\u4e2d\u6790\u51fa\u3001\u76f8\u754c\u3001\u6676\u754c\u548c\u5939\u6742\u7269\u7b49\u662f\u591a\u5c3a\u5ea6\u7ea6\u675f\u7684\u6765\u6e90\uff0c\u4f1a\u5f71\u54cd\u5f62\u72b6\u8bb0\u5fc6\u5408\u91d1\u7684\u529b\u5b66\u54cd\u5e94\u3002<\/strong>\u6587\u7ae0\u91c7\u75283D\u539f\u4f4d\u6280\u672f\uff0c\u5bf9\u8d85\u5f39\u6027NiTi\u5355\u6676\u5728\u62c9\u4f38\u6d4b\u8bd5\u4e2d\u8fdb\u884c\u5fae\u89c2\u7ed3\u6784\u53d8\u5f62\u548c\u6f14\u53d8\u7684\u8868\u5f81\uff0c\u5e76\u901a\u8fc7\u8fdc\u573a\u9ad8\u80fdX\u5c04\u7ebf\u884d\u5c04\u663e\u5fae\u955c\u89c2\u5bdf\uff0c\u7ed3\u5408\u5fae\u89c2\u7ed3\u6784\u3001\u53d8\u5f62\u3001\u5e94\u529b\u6570\u636e\u8fdb\u884c\u5c40\u90e8\u5e94\u529b\u72b6\u6001\u7684\u6a21\u62df\uff0c\u52a0\u6df1\u4e86\u7ea6\u675f\u5bf9\u975e\u5f39\u6027\u53d8\u5f62\u5f71\u54cd\u7684\u7406\u89e3\u3002\u6587\u7ae0\u4e2d\u63d0\u51fa\u76843D\u5b9e\u9a8c-\u6a21\u578b\u76f8\u7ed3\u5408\u7684\u65b9\u6cd5\uff0c\u8fd8\u53ef\u4ee5\u7528\u4e8e\u7814\u7a76\u5176\u4ed6\u975e\u5f39\u6027\u53d8\u5f62\u6750\u6599\uff08\u5982\u949b\u5408\u91d1\u3001\u94a2\u548c\u9541\u5408\u91d1\u7b49\uff09\u4e2d\u7ea6\u675f\u5bf9\u5176\u53d8\u5f62\u7684\u5f71\u54cd\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>In situ,3D characterization of deformation mechanics of a superelastic NiTi shape memory alloy single crystal under multiscale constraint<\/a>\uff08Acta Mater.\uff0c2017\uff0cDOI\uff1a10.1016\/j.actamat.2017.11.026\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u5f20\u6da6\u51ef\u7f16\u8bd1\uff0c \u4e07\u946b\u6d69\u5ba1\u6838\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002\u00a0<\/p>\n

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