{"id":143847,"date":"2018-06-27T06:30:42","date_gmt":"2018-06-26T22:30:42","guid":{"rendered":"\/\/m.iemloyee.com\/?p=143847"},"modified":"2018-06-26T21:59:48","modified_gmt":"2018-06-26T13:59:48","slug":"acta-mater-%e9%9d%99%e6%80%81%e5%8e%8b%e7%bc%a9%e4%b8%8b%e4%bd%8d%e9%94%99%e7%a7%8d%e7%b1%bb%e5%9c%a8%e5%a4%9a%e6%99%b6%e7%ba%af%e9%95%8d%e6%a0%b7%e5%93%81%e4%b8%ad%e7%9a%84%e6%bc%94%e5%8c%96","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=143847","title":{"rendered":"Acta Mater: \u9759\u6001\u538b\u7f29\u4e0b\u4f4d\u9519\u79cd\u7c7b\u5728\u591a\u6676\u7eaf\u954d\u6837\u54c1\u4e2d\u7684\u6f14\u5316"},"content":{"rendered":"

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

\u4f4d\u9519\u662f\u4e00\u79cd\u6676\u4f53\u5185\u90e8\u7684\u62d3\u6251\u7f3a\u9677\uff0c\u5bf9\u4e8e\u7406\u89e3\u91d1\u5c5e\u6750\u6599\u7684\u529b\u5b66\u6027\u80fd\u5c24\u4e3a\u91cd\u8981\u3002\u7531\u4e8e\u5927\u91cf\u6676\u754c\u7684\u5b58\u5728\uff0c\u591a\u6676\u91d1\u5c5e\u6837\u54c1\u5728\u5f62\u53d8\u8fc7\u7a0b\u4e2d\u4f1a\u5f62\u6210\u5851\u6027\u5e94\u53d8\u7684\u68af\u5ea6\u3002\u6839\u636e\u8fde\u7eed\u4ecb\u8d28\u4e2d\u7684\u4f4d\u9519\u7406\u8bba\uff0c\u8fd9\u6837\u7684\u5851\u6027\u5e94\u53d8\u68af\u5ea6\u662f\u7531\u51e0\u4f55\u9700\u8981\u4f4d\u9519 (GND) \u6240\u5bb9\u7eb3\u7684\u3002\u800c\u5728\u5355\u6676\u7684\u5f62\u53d8\u8fc7\u7a0b\u4e2d\uff0c\u5f62\u53d8\u76f8\u5bf9\u6bd4\u8f83\u5747\u5300\uff0c\u6240\u4ee5\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4ea7\u751f\u7684\u52a0\u5de5\u786c\u5316\u662f\u7531\u4e8e\u7edf\u8ba1\u50a8\u5b58\u4f4d\u9519 (SSD) \u7684\u4ea7\u751f\u3002\u7edf\u8ba1\u50a8\u5b58\u4f4d\u9519 (SSD) \u540c\u6837\u4f1a\u5728\u591a\u6676\u5f62\u53d8\u4e2d\u4ea7\u751f\uff0c\u4f46\u662f\u5355\u6676\u7684\u5f62\u53d8\u4e2d\u51e0\u4e4e\u6ca1\u6709\u51e0\u4f55\u9700\u8981\u4f4d\u9519 (GND) \u3002\u5728\u8fc7\u53bb\u51e0\u5341\u5e74\u7684\u7814\u7a76\u4e2d\uff0c\u4eba\u4eec\u5df2\u7ecf\u53ef\u4ee5\u901a\u8fc7\u7535\u5b50\u80cc\u6563\u5c04\u6240\u6d4b\u91cf\u7684\u6676\u683c\u66f2\u7387\u91cf\u5316\u51e0\u4f55\u9700\u8981\u4f4d\u9519 (GND) \u7684\u5bc6\u5ea6\uff0c\u4f46\u662f\u51e0\u4f55\u9700\u8981\u4e3a\u9519 (GND) \u7684\u6f14\u5316\u89c4\u5f8b\u8fd8\u6709\u548c\u7edf\u8ba1\u50a8\u5b58\u4f4d\u9519 (SSD) \u5bc6\u5ea6\u7684\u5173\u7cfb\u5728\u5b9e\u9a8c\u89d2\u5ea6\u4e00\u76f4\u6ca1\u6709\u5f88\u597d\u7684\u7406\u89e3\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6765\u81ea\u52a0\u5dde\u5927\u5b66\u5723\u8fed\u6208\u5206\u6821\u7684Kenneth Vecchio\u6559\u6388<\/b><\/strong>\u00a0(\u901a\u8baf\u4f5c\u8005) \u57fa\u4e8eAshby (1970) \u548cTaylor (1938)\u7684\u6a21\u578b\uff0c\u5728\u591a\u6676\u7684\u7eaf\u954d\u6837\u54c1\u4e2d\u63d0\u51fa\u4e00\u79cd\u6d4b\u91cf\u7edf\u8ba1\u50a8\u5b58\u4f4d\u9519 (SSD)\u5bc6\u5ea6\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u548c\u7406\u8bba\u6a21\u578b\u8ba1\u7b97\u7684\u5bf9\u6bd4\uff0c\u8be5\u7814\u7a76\u5b9a\u91cf\u5730\u5206\u6790\u4e86\u5728\u9759\u6001\u538b\u7f29\u4e0b\u591a\u6676\u7eaf\u954d\u6837\u54c1\uff08\u6676\u7c92\u5927\u5c0f30\u5fae\u7c73\u5de6\u53f3\uff09\u51e0\u4f55\u9700\u8981\u4f4d\u9519 (GND)\u5bc6\u5ea6\u548c\u7edf\u8ba1\u50a8\u5b58\u4f4d\u9519 (SSD) \u5bc6\u5ea6\u7684\u6f14\u5316\u89c4\u5f8b\u4ee5\u53ca\u5206\u6790\u4e86\u548c\u52a0\u5de5\u786c\u5316\u8fd8\u6709\u5851\u6027\u6d41\u52a8\u5e94\u529b\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u8bba\u6587\u6807\u9898\u4e3a (Dislocation-type evolution in quasi-statically compressed polycrystalline nickel) \u5728\u7ebf\u53d1\u8868\u4e8e \u300aActa Materialia\u300b\uff0c\u8bba\u6587\u7b2c\u4e00\u4f5c\u8005\u4e3a\u52a0\u5dde\u5927\u5b66\u5723\u8fed\u6208\u5206\u6821\u7684\u7814\u7a76\u751f\u6731\u8d85\u9038<\/b><\/strong>\u3002<\/p>\n

\u3010\u8bba\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe1 (a) \u7eaf\u954d\u6837\u54c1\u4e3a3 mm(H)*3 mm (D)\u7684\u5706\u67f1\u5f62\u6837\u54c1\uff0c\u7136\u540e\u53d6\u5176\u622a\u9762\u4e4b\u540e\u629b\u5149 (b)<\/b><\/strong><\/p>\n

 <\/p>\n

\"\"<\/p>\n

\u56fe2 \u00a0\u901a\u8fc7SPS\u70e7\u7ed3\u7684\u6837\u54c1\u539f\u59cb\u6676\u7c92\u7ed3\u6784 (\u5de6)\u7535\u5b50\u80cc\u6563\u5c04\u56fe (\u53f3) \u4ee5\u53ca\u6676\u7c92\u5927\u5c0f\u7684\u7edf\u8ba1\u653e\u7535\u7b49\u79bb\u5b50\u70e7\u7ed3\u6761\u4ef6\uff1a\u7eaf\u954d\u7c891200, 50MPa, 5 min\u3002\u7136\u540e\u53d6\u51fa\u4e4b\u540e\u9000\u706b\u53bb\u9664\u6b8b\u4f59\u5e94\u529b\u3002\u6676\u7c92\u5927\u5c0f\u901a\u8fc7\u5bf9\u6570\u6b63\u6001\u5206\u5e03\u5206\u6790\u5f97\u51fa\u4e3a30\u5fae\u7c73\u3002<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe3 Nye tensor\u7684\u793a\u610f\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

Nye tensor \u662f\u4e00\u4e2a\u5173\u4e8e\u4f4d\u9519\u573a\u7684\u5f20\u91cf\uff0c\u901a\u8fc7\u6c42\u9762\u79ef\u5206\u5c31\u53ef\u4ee5\u83b7\u5f97\u76f8\u5bf9\u5e94\u7684\u4f2f\u683c\u65af\u77e2\u91cf\u3002<\/p>\n

\u56fe4 \u591a\u6676\u4e2d\u51e0\u4f55\u9700\u8981\u4f4d\u9519\uff08GND\uff09\u5bc6\u5ea6\u5728\u4e0d\u540c\u6676\u7c92\u5927\u5c0f\uff08\u03bbG<\/sub>\uff09\u4e0b\u5173\u4e8e\u5851\u6027\u5e94\u53d8\u7684\u6f14\u5316\u7406\u8bba\u503c\u3002\u540c\u6837\u6750\u6599\u7684\u5355\u6676\u4e2d\u7edf\u8ba1\u50a8\u5b58\u4f4d\u9519\uff08SSD\uff09\u5bc6\u5ea6\u5173\u4e8e\u5851\u6027\u5e94\u53d8\u7684\u6f14\u5316\u5b9e\u9a8c\u503c\uff08TEM\uff09\u3002\u8be5\u56fe\u9009\u53d6\u4e8eAshby (1970)\u5e74\u53d1\u8868\u7684\u6587\u7ae0\u3002<\/strong><\/p>\n

 <\/p>\n

\"\"<\/p>\n

\u56fe5 \u5851\u6027\u5e94\u53d8\u91cf\u4e3a0\uff0c0.05\uff0c0.11\uff0c0.2\uff0c0.33\uff0c0.46\u7684\u7eaf\u954d\u6837\u54c1\u7535\u5b50\u80cc\u6563\u5c04\u56fe<\/strong><\/p>\n

 <\/p>\n

\"\"<\/p>\n

\u56fe6 \u51e0\u4f55\u9700\u8981\u4f4d\u9519\uff08GND\uff09\u5bc6\u5ea6\u7684\u7edf\u8ba1\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe7 (a) Ashby\u5173\u4e8eGND\u5bc6\u5ea6\u7684\u6a21\u578b\u548c\u7528EBSD\u6d4b\u91cfGND\u6570\u503c\u7684\u6bd4\u4f8b; (b) Ashby\u6a21\u578b\u9884\u6d4b\uff08\u84dd\uff09\u548cEBSD\u6d4b\u91cf\u7684GND\u5bc6\u5ea6\u503c\u5173\u4e8e\u5851\u6027\u5e94\u53d8\u7684\u53d8\u5316\u4ee5\u53ca\u6d4b\u91cf\u6570\u636e\u7684\u51e0\u4f55\u6807\u51c6\u5dee \uff08\u7eff\uff09\u3002<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe8 (a)\u5851\u6027\u6d41\u52a8\u5e94\u529b\u5927\u5c0f \u00a0(b) \u901a\u8fc7Taylor \u786c\u5316\u6a21\u578b\u5f97\u51fa\u7684\u603b\u4f4d\u9519\u5bc6\u5ea6<\/strong><\/p>\n

 <\/p>\n

\"\"<\/p>\n

\u56fe9 \u603b\u4f4d\u9519\u5bc6\u5ea6 (Taylor\uff0c\u84dd\u7ebf)\uff0c\u6d4b\u91cf\u7684GND\u5bc6\u5ea6\uff08EBSD\uff0c\u7eff\u7ebf\uff09\u548c\u4f30\u8ba1\u7684SSD\u5bc6\u5ea6\uff08\u524d\u4e24\u8005\u5dee\u503c\uff0c\u7ea2\u7ebf\uff09\u5173\u4e8e\u5851\u6027\u5e94\u53d8\u7684\u53d8\u5316\u3002\u5f62\u53d8\u5728\u4e0d\u540c\u9636\u6bb5\u7684\u4f4d\u9519\u5206\u5e03\u793a\u610f\u56fe\u3002<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe10 \u51e0\u4f55\u9700\u8981\u4f4d\u9519(GND)\u5bc6\u5ea6\u7684\u5206\u5e03\u4ee5\u53ca\u5176\u5bf9\u5e94\u7684\u7535\u5b50\u80cc\u6563\u5c04\u56fe\u3002<\/strong><\/p>\n

 <\/p>\n

\"\"<\/p>\n

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

\u51e0\u4f55\u9700\u8981\u4f4d\u9519\uff08GND\uff09\u548c\u7edf\u8ba1\u50a8\u5b58\u4f4d\u9519\uff08SSD\uff09\u5728\u6750\u6599\u52a0\u5de5\u786c\u5316\u548c\u5851\u6027\u6d41\u52a8\u5e94\u529b\u90fd\u8d77\u5230\u4e86\u5f88\u91cd\u8981\u7684\u4f5c\u7528\uff1a<\/p>\n

1. \u7531\u4e8e\u7edf\u8ba1\u50a8\u5b58\u4f4d\u9519\u5bc6\u5ea6\u7684\u589e\u52a0\u901f\u7387\u76f8\u5bf9\u66f4\u5feb\uff0c\u6240\u4ee5\u5728\u52a0\u5de5\u786c\u5316\u8fc7\u7a0b\u4e2d\u7edf\u8ba1\u50a8\u5b58\u4f4d\u9519\u7684\u8d21\u732e\u76f8\u5bf9\u66f4\u5927\u4e00\u4e9b\u3002<\/p>\n

2.\u8fd9\u4e24\u79cd\u4f4d\u9519\u5bf9\u4e8e\u5851\u6027\u6d41\u52a8\u5e94\u529b\u7684\u8d21\u732e\u4e0a\u5219\u5b58\u5728\u4e00\u4e2a\u5206\u754c\u70b9\uff1a\u5bf9\u4e8e30\u5fae\u7c73\u5de6\u53f3\u6676\u7c92\u5927\u5c0f\u7684\u7eaf\u954d\uff0c\u8fd9\u4e2a\u5206\u754c\u70b9\u5927\u6982\u5728\u5851\u6027\u5e94\u53d8\u91cf09\u5de6\u53f3\u3002\u8fd9\u548c\u56fe4\u4e2dAshby\u7684\u9884\u6d4b\u76f8\u543b\u5408\u3002\u968f\u7740\u6676\u7c92\u5927\u5c0f\u7684\u53d8\u5316\uff0c\u8fd9\u4e2a\u5206\u754c\u70b9\u7684\u6570\u503c\u4e5f\u4f1a\u53d1\u751f\u53d8\u5316\u3002\u7406\u8bba\u4e0a\uff0c\u6676\u7c92\u8d8a\u5927\uff0c\u8fd9\u4e2a\u5206\u754c\u70b9\u7684\u503c\u8d8a\u5c0f\uff0c\u800c\u6676\u7c92\u8d8a\u5c0f\uff0c\u8fd9\u4e2a\u5206\u754c\u70b9\u7684\u503c\u8d8a\u5927\u3002<\/p>\n

3.\u51e0\u4f55\u9700\u8981\u4f4d\u9519\uff08GND\uff09\u7684\u589e\u957f\u8d8b\u52bf\u5728\u5851\u6027\u5e94\u53d805\u548c0.46\u4e4b\u95f4\u57fa\u672c\u4e0a\u7ebf\u6027\u7684\uff0c\u8fd9\u548cAshby\u7684\u6a21\u578b\u76f8\u7b26\u3002\u7531\u4e8e\u6a21\u578b\u6240\u9884\u6d4b\u7684\u662f\u6676\u754c\u9644\u8fd1\u5bc6\u5ea6\u8f83\u5927\u7684\u503c\uff0c\u6240\u4ee5\u6d4b\u91cf\u503c\u8981\u5c0f\u4e8eAshby \u6a21\u578b\u6240\u7ed9\u51fa\u7684\u503c\u3002\u6d4b\u91cf\u6570\u636e\u7684\u51e0\u4f55\u6807\u51c6\u5dee\u7684\u53d8\u5316\u8868\u660e\u968f\u7740\u5e94\u53d8\u589e\u52a0\uff0c\u51e0\u4f55\u6807\u51c6\u5dee\u53d8\u5927\uff0c\u4e5f\u5c31\u662f\u5f62\u53d8\u7684\u4e0d\u5747\u5300\u6027\u53d8\u9ad8\u4e86\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/b><\/strong>Dislocation-type evolution in quasi-statically compressed polycrystalline nickel\u00a0\uff08Acta Materialia, https:\/\/doi.org\/10.1016\/j.actamat.2018.05.022<\/u><\/a>\uff09<\/p>\n

\u672c\u6587\u7531Chaoyi Zhu\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n

\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1\uff1atougao@cailiaoren.com\u3002<\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u4f4d\u9519\u662f\u4e00\u79cd\u6676\u4f53\u5185\u90e8\u7684\u62d3\u6251\u7f3a\u9677\uff0c\u5bf9\u4e8e\u7406\u89e3\u91d1\u5c5e\u6750\u6599\u7684\u529b\u5b66\u6027\u80fd\u5c24\u4e3a\u91cd\u8981\u3002\u7531\u4e8e\u5927\u91cf\u6676\u754c\u7684\u5b58\u5728\uff0c\u591a\u6676\u91d1\u5c5e\u6837\u54c1\u5728\u5f62\u53d8\u8fc7\u7a0b\u4e2d\u4f1a\u5f62\u6210\u5851\u6027\u5e94\u53d8\u7684\u68af\u5ea6\u3002\u6839\u636e\u8fde\u7eed\u4ecb\u8d28\u4e2d\u7684\u4f4d…<\/p>\n","protected":false},"author":9133,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-143847","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/143847"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/9133"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=143847"}],"version-history":[{"count":17,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/143847\/revisions"}],"predecessor-version":[{"id":144030,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/143847\/revisions\/144030"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=143847"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=143847"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=143847"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}