{"id":109349,"date":"2017-11-03T06:30:54","date_gmt":"2017-11-02T22:30:54","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=109349"},"modified":"2017-11-03T09:02:05","modified_gmt":"2017-11-03T01:02:05","slug":"acta-mater-%ef%bc%9abcc-fe-cr%e9%93%81%e7%b4%a0%e4%bd%93%e4%b8%8d%e9%94%88%e9%92%a2%e5%9c%a8%e7%96%b2%e5%8a%b3%e5%be%ae%e8%a3%82%e7%ba%b9%e6%89%a9%e5%b1%95%e8%bf%87%e7%a8%8b%e4%b8%ad%e7%9a%84%e5%ba%94","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=109349","title":{"rendered":"Acta Mater.\uff1a\u4f53\u5fc3\u7acb\u65b9Fe-Cr\u94c1\u7d20\u4f53\u4e0d\u9508\u94a2\u5728\u75b2\u52b3\u5fae\u88c2\u7eb9\u6269\u5c55\u8fc7\u7a0b\u4e2d\u7684\u5e94\u53d8\u7d2f\u79ef"},"content":{"rendered":"

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

\u5728\u5fae\u89c2\u5c3a\u5ea6\u4e0a\u5bf9\u7ed3\u6784\u6750\u6599\u75b2\u52b3\u6027\u80fd\u8fdb\u884c\u7814\u7a76\uff0c\u53ef\u4ee5\u589e\u8fdb\u5bf9\u6750\u6599\u75b2\u52b3\u6027\u80fd\u7684\u8ba4\u8bc6\uff0c\u4f7f\u5f97\u5bf9\u75b2\u52b3\u88c2\u7eb9\u6269\u5c55\u7684\u9884\u6d4b\u66f4\u52a0\u53ef\u9760\uff0c\u4ece\u800c\u9884\u9632\u56e0\u75b2\u52b3\u65ad\u88c2\u5bfc\u81f4\u7684\u4e8b\u6545\u7684\u53d1\u751f\u3002\u867d\u7136\u5bf9\u75b2\u52b3\u5fae\u88c2\u7eb9\u7684\u7814\u7a76\u5df2\u7ecf\u5efa\u7acb\u4e86\u591a\u79cd\u7406\u8bba\u6a21\u578b\uff0c\u4f46\u5bf9\u88c2\u7eb9\u6269\u5c55\u8fc7\u7a0b\u4e2d\u6676\u7c92\u5c3a\u5ea6\u6c34\u5e73\u6750\u6599\u884c\u4e3a\u7684\u8bd5\u9a8c\u7814\u7a76\u4ecd\u7136\u6709\u9650\u3002<\/p>\n

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

\u8fd1\u65e5\uff0cE.Malitckii\uff08\u901a\u8baf\u4f5c\u8005\uff09\u56e2\u961f<\/strong>\u5728Acta Mater.<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u4e3a\u201cStrain accumulation during microstructurally small fatigue crack propagation in bcc Fe-Cr ferritic stainless steel\u201d<\/strong>\u7684\u6587\u7ae0\u3002\u8be5\u7814\u7a76\u56e2\u961f\u91c7\u7528\u6570\u5b57\u56fe\u50cf\u76f8\u5173\u6280\u672f\uff08DIC\uff09\u7814\u7a76\u4e8618%Cr\u94c1\u7d20\u4f53\u4e0d\u9508\u94a2\u5728\u5fae\u89c2\u7ed3\u6784\u75b2\u52b3\u5fae\u88c2\u7eb9\u6269\u5c55\u8fc7\u7a0b\u4e2d\u7684\u5e94\u53d8\u7d2f\u79ef\u3002\u7814\u7a76\u7ed3\u679c\u8868\u660e\u5728\u5faa\u73af\u8f7d\u8377\u4f5c\u7528\u4e0b\uff0c\u6750\u6599\u7684\u635f\u4f24\u7d2f\u79ef\u548c\u65f6\u6548\u5b58\u57281)\u5728\u88c2\u7eb9\u5c16\u7aef\u524d\u7f18\u5f62\u6210\u5c40\u90e8\u526a\u5207\u5e94\u53d8\u533a\uff0c2)\u901a\u8fc7\u5355\u6ed1\u79fb\u673a\u5236\u548c\u591a\u6ed1\u79fb\u673a\u7406\u5bfc\u81f4\u75b2\u52b3\u88c2\u7eb9\u6269\u5c55\u4e24\u4e2a\u8fc7\u7a0b\uff1b\u5728\u88c2\u7eb9\u6269\u5c55\u8fc7\u7a0b\u4e2d\uff0c\u88c2\u7eb9\u6269\u5c55\u901f\u7387\u7684\u53d8\u5316\u4e0e\u5c40\u90e8\u526a\u5207\u5e94\u53d8\u533a\u7684\u4f4d\u7f6e\u548c\u5bc6\u5ea6\u7684\u5dee\u5f02\u5bc6\u5207\u76f8\u5173\u3002<\/p>\n

\u3010\u56fe\u6587\u89e3\u8bfb<\/strong>\u3011<\/p>\n

\u88681 ASTM UNS S43940\u94c1\u7d20\u4f53\u4e0d\u9508\u94a2\u5316\u5b66\u6210\u5206\uff08Wt.%\uff09<\/strong><\/p>\n\n\n\n\n
C<\/td>\nSi<\/td>\nMn<\/td>\nP<\/td>\nCr<\/td>\nMo<\/td>\nNb<\/td>\nNi<\/td>\nTi<\/td>\nCu<\/td>\nAl<\/td>\nAs<\/td>\nCo<\/td>\nSn<\/td>\nV<\/td>\nW<\/td>\n<\/tr>\n
0.014<\/td>\n0.61<\/td>\n0.42<\/td>\n0.03<\/td>\n17.7<\/td>\n0.024<\/td>\n0.393<\/td>\n0.18<\/td>\n0.138<\/td>\n0.118<\/td>\n0.025<\/td>\n0.007<\/td>\n0.0183<\/td>\n0.007<\/td>\n0.055<\/td>\n0.037<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u56fe2 \u7f3a\u53e3\u62c9\u4f38\u8bd5\u6837\u793a\u610f\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

\u5706\u5708\u6240\u793a\u4e3a\u8bd5\u6837\u7684\u7f3a\u53e3\u533a\u57df\u3002<\/p>\n

\u56fe3 \u529b\u5b66\u6027\u80fd\u66f2\u7ebf<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u5de5\u7a0b\u5e94\u529b\u968f\u4f38\u957f\u91cf\u53d8\u5316\u66f2\u7ebf\uff0cCERT\u8bd5\u9a8c\u4e2d\u5e94\u53d8\u7387\u4e3a2\u00d710-3<\/sup>S-1<\/sup>\uff0c\u5176\u4e2d\u5706\u5708\u6240\u793a\u4e3a\u5c48\u670d\u70b9\uff1b<\/p>\n

(b) \u75b2\u52b3\u8bd5\u9a8c\u8fc7\u7a0b\u4e2d\u8bd5\u6837\u4f38\u957f\u91cf\u968f\u8f7d\u8377\u5faa\u73af\u6570\u53d8\u5316\u66f2\u7ebf\u3002<\/p>\n

\u56fe4 \u8bd5\u6837\u7f3a\u53e3\u533a\u57df\u5f62\u8c8c\u56fe\u548cEBSD\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u8bd5\u6837\u7f3a\u53e3\u533a\u57df\u5f62\u8c8c\u56fe\uff0c\u865a\u7ebf\u6846\u6240\u793a\u4e3a\u8bfe\u9898\u7814\u7a76\u533a\u57df\uff1b<\/p>\n

(b) \u901a\u8fc7EBSD\u91c7\u96c6\u7684\u53d6\u5411\u5206\u5e03\u56fe\u3002<\/p>\n

\u56fe5 \u88c2\u7eb9\u957f\u5ea6\u968f\u8f7d\u8377\u5faa\u73af\u6570\u53d8\u5316\u66f2\u7ebf\u53ca\u88c2\u7eb9\u6269\u5c55\u901f\u7387<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u88c2\u7eb9\u957f\u5ea6\u968f\u8f7d\u8377\u5faa\u73af\u7684\u53d8\u5316\u66f2\u7ebf\uff1b<\/p>\n

(b) \u901a\u8fc7\u8ba1\u7b97\u6240\u5f97\u7684\u88c2\u7eb9\u6269\u5c55\u901f\u7387\u3002<\/p>\n

\u56fe6 \u75b2\u52b3\u88c2\u7eb9\u5904\u5e94\u53d8\u573a<\/strong><\/p>\n

\"\"<\/p>\n

\u5e94\u53d8\u573a\u901a\u8fc7DIC\u8ba1\u7b97\u6240\u5f97\u3002<\/p>\n

(a) \u75b2\u52b3\u88c2\u7eb9\u6269\u5c55\u65f6\u540c\u65f6\u51fa\u73b0\u7684\u62c9\u4f38\u548c\u538b\u7f29\u533a\u57df\uff0cEyy\u2019<\/sub>\u8868\u793a\u5e73\u884c\u4e8e\u8f7d\u8377\u65b9\u5411\uff0cExx\u2019<\/sub>\u8868\u793a\u5782\u76f4\u4e8e\u8f7d\u8377\u65b9\u5411\uff1b<\/p>\n

(b) \u75b2\u52b3\u8bd5\u9a8c\u8fc7\u7a0b\u4e2d\uff0c\u901a\u8fc7\u6700\u5927\u5f62\u53d8\u91cf\u6d4b\u5f97\u7684\u6700\u5927\u526a\u5207\u5e94\u53d8\u3002<\/p>\n

\u56fe7 \u6700\u5927\u526a\u5207\u5e94\u53d8\u7684\u6570\u636e\u5408\u6210\u65b9\u6cd5<\/strong><\/p>\n

\"\"<\/p>\n

\u6570\u636e\u901a\u8fc7\u7ed8\u52363D\u8f6e\u5ed3\u7ec4\u5408\u800c\u6210\u3002<\/p>\n

\u88688 \u8ba1\u7b97\u6240\u5f97\u5e94\u53d8\u53c2\u6570<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n
Localization point No.<\/td>\nGrain No.<\/td>\n\n

Deformation area, mm2<\/sup><\/p>\n<\/td>\n

Cumulative maximum shear strain, %<\/td>\nShear strain intensity factor<\/td>\nSchmid factor<\/td>\n<\/tr>\n
{110}<\/td>\n{112}<\/td>\n{123}<\/td>\n<\/tr>\n
1<\/td>\n1<\/td>\n0.0302<\/td>\n0.65<\/td>\n21<\/td>\n0.43<\/td>\n0.5<\/strong><\/td>\n0.49<\/td>\n<\/tr>\n
2<\/td>\n0.0048<\/td>\n0.55<\/td>\n114<\/td>\n<\/tr>\n
3<\/td>\n2<\/td>\n0.0012<\/td>\n0.72<\/td>\n600<\/td>\n0.35<\/td>\n0.41<\/strong><\/td>\n0.39<\/td>\n<\/tr>\n
4<\/td>\nGB2<\/td>\n0.0437<\/td>\n0.52<\/td>\n11<\/td>\nGB2<\/td>\n<\/tr>\n
5<\/td>\n3<\/td>\n0.0075<\/td>\n1.16<\/td>\n154<\/td>\n0.45<\/td>\n0.48<\/td>\n0.49<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5e94\u53d8\u533a\u57df\u4f4d\u7f6e\u6676\u7c92\u7684\u6700\u5927Schmid\u56e0\u5b50\u52a0\u7c97\u6807\u8bc6\u3002<\/p>\n

\u56fe9 \u5e94\u53d8\u533a\u57df\u4f4d\u7f6e\u6676\u7c92\u7684Schmid\u56e0\u5b50<\/strong><\/p>\n

\"\"<\/p>\n

bcc\u6676\u4f53\u7ed3\u6784\u4e2d\u4f18\u5148\u6ed1\u79fb\u9762(a) {110}\uff1b(b) {112}\u548c(c) {123}\u3002<\/p>\n

\u56fe10 \u6676\u754c\u53d6\u5411\u5dee\u53ca\u5176\u5206\u5e03<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u8bd5\u6837\u7f3a\u53e3\u9644\u8fd1\u6676\u754c\u53d6\u5411\u5dee\uff1b<\/p>\n

(b) \u6676\u754c\u53d6\u5411\u5dee\u5206\u5e03\u3002<\/p>\n

\u56fe11 \u7a7f\u6676\u75b2\u52b3\u88c2\u7eb9\u5fae\u89c2\u5f62\u8c8c\u56fe<\/strong>\"\"<\/p>\n

(a) \u8106\u6027\u7a7f\u6676\u75b2\u52b3\u88c2\u7eb9\uff1b<\/p>\n

(b) \u88c2\u7eb9\u8868\u9762\u5b58\u5728\u9884\u88c2\u533a\uff1b<\/p>\n

(c) \u75b2\u52b3\u8f89\u7eb9\u9ad8\u500d\u653e\u5927\u5f62\u8c8c\u3002<\/p>\n

\u56fe12 \u75b2\u52b3\u88c2\u7eb9\u5fae\u89c2\u5f62\u8c8c\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

\u5f53\u88c2\u7eb9\u5ef6\u8fdf\u53d1\u751f\u65f6\uff0c\u88c2\u7eb9\u957f\u5ea6\u4e0e\u53d1\u751f\u9636\u6bb5I\u5fae\u89c2\u65ad\u88c2\u7684\u4f4d\u7f6e\u5bc6\u5207\u76f8\u5173\u3002<\/p>\n

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

\u672c\u6587\u7814\u7a76\u8868\u660e\uff0c\u4f9d\u636eDIC\u5206\u6790\u7ed3\u679c\uff0c\u75b2\u52b3\u88c2\u7eb9\u7a7f\u6676\u6269\u5c55\uff0c\u5728\u75b2\u52b3\u88c2\u7eb9\u6269\u5c55\u8fc7\u7a0b\u4e2d\uff0c\u526a\u5207\u5e94\u53d8\u533a\u95f4\u6b47\u6027\u5730\u51fa\u73b0\u5728\u88c2\u7eb9\u5c16\u7aef\u524d\u7f18\uff0c\u75b2\u52b3\u88c2\u7eb9\u6269\u5c55\u901f\u7387\u53d7\u5230\u7d2f\u79ef\u526a\u5207\u53d8\u5f62\u533a\u7684\u5f71\u54cd\uff0c\u6676\u7c92\u53d6\u5411\uff08Schmid\u56e0\u5b50\uff09\u4e0e\u526a\u5207\u5e94\u53d8\u5f3a\u5ea6\u56e0\u5b50\u4e4b\u95f4\u6210\u53cd\u6bd4\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1aStrain accumulation during microstructurally small fatigue crack propagation in bcc Fe-Cr ferritic stainless steel<\/a>(Acta Mater., 12 July 2017, DOI: 10.1016\/j.actamat.2017.10.038)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u91d1\u5c5e\u7ec4\u8a79\u82f1\u6770\u7f16\u8bd1\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u5728\u5fae\u89c2\u5c3a\u5ea6\u4e0a\u5bf9\u7ed3\u6784\u6750\u6599\u75b2\u52b3\u6027\u80fd\u8fdb\u884c\u7814\u7a76\uff0c\u53ef\u4ee5\u589e\u8fdb\u5bf9\u6750\u6599\u75b2\u52b3\u6027\u80fd\u7684\u8ba4\u8bc6\uff0c\u4f7f\u5f97\u5bf9\u75b2\u52b3\u88c2\u7eb9\u6269\u5c55\u7684\u9884\u6d4b\u66f4\u52a0\u53ef\u9760\uff0c\u4ece\u800c\u9884\u9632\u56e0\u75b2\u52b3\u65ad\u88c2\u5bfc\u81f4\u7684\u4e8b\u6545\u7684\u53d1\u751f\u3002\u867d\u7136\u5bf9\u75b2\u52b3…<\/p>\n","protected":false},"author":5240,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-109349","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/109349"}],"collection":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/users\/5240"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=109349"}],"version-history":[{"count":9,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/109349\/revisions"}],"predecessor-version":[{"id":109929,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/109349\/revisions\/109929"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=109349"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=109349"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=109349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}