{"id":104570,"date":"2017-10-02T14:00:35","date_gmt":"2017-10-02T06:00:35","guid":{"rendered":"\/\/m.iemloyee.com\/?p=104570"},"modified":"2017-09-29T15:15:05","modified_gmt":"2017-09-29T07:15:05","slug":"mat-sci-eng-a%ef%bc%9a%e5%90%91%e5%ba%94%e7%94%a8%e8%b7%a8%e8%b6%8a-%e5%86%b7%e8%bd%a7al0-25cocrfeni%e9%ab%98%e7%86%b5%e5%90%88%e9%87%91","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=104570","title":{"rendered":"MAT SCI ENG A\uff1a\u5411\u5e94\u7528\u8de8\u8d8a\u2014\u2014\u51b7\u8f67Al0.25CoCrFeNi\u9ad8\u71b5\u5408\u91d1"},"content":{"rendered":"

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

\u591a\u7ec4\u5143\u9ad8\u71b5\u5408\u91d1(HEA)\uff0c\u4ee5\u5176\u7b80\u5355\u7684\u6676\u4f53\u7ed3\u6784\u4ee5\u53ca\u9ad8\u71b5\u6548\u5e94\u6240\u5e26\u6765\u7684\u5404\u79cd\u5f71\u54cd\u5438\u5f15\u4e86\u4f17\u591a\u7814\u7a76\u76ee\u5149\u3002\u8fd1\u4e9b\u5e74\u7684\u7814\u7a76\u53d1\u73b0\u9ad8\u71b5\u5408\u91d1\u76f8\u6bd4\u4e8e\u4f20\u7edf\u6750\u6599\uff0c\u5177\u6709\u6781\u4f73\u7684\u5f3a\u5ea6\u786c\u5ea6\u3001\u4f4e\/\u9ad8\u6e29\u5f3a\u5ea6\u3001\u70ed\u7a33\u5b9a\u6027\u4ee5\u53ca\u8010\u8150\u8680\u3002\u8010\u6c27\u5316\u6027\u7b49\u3002\u76ee\u524d\u591a\u6570\u7814\u7a76\u4e3b\u8981\u96c6\u4e2d\u4e8e\u94f8\u6001HEA\uff0c\u800c\u94f8\u6001\u5408\u91d1\u6613\u4e8e\u4ea7\u751f\u7f29\u5b54\u7b49\u7f3a\u9677\u3002\u9762\u5bf9\u8fd9\u4e00\u60c5\u51b5\uff0c\u5f3a\u5851\u6027\u53d8\u5f62\u8f85\u4ee5\u70ed\u5904\u7406\u5219\u6700\u6709\u5e0c\u671b\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n

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

\u65e5\u524d\uff0c\u592a\u539f\u7406\u5de5\u5927\u5b66\u4e54\u73fa\u5a01\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u5728Materials Science and Engineering: A<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u540d\u4e3a”Strengthening in Al0.25<\/sub>CoCrFeNi high-entropy alloys by cold rolling<\/strong>“\u7684\u6587\u7ae0\u3002\u7814\u7a76\u51b7\u8f67\u5bf9Al0.25<\/sub>CoCrFeNi\u9ad8\u71b5\u5408\u91d1\u5728\u4e0d\u540c\u5f62\u53d8\u91cf\u4e0b\u7684\u6676\u4f53\u7ed3\u6784\u3001\u5fae\u89c2\u7ec4\u7ec7\u3001\u673a\u68b0\u6027\u80fd\u7684\u5f71\u54cd\u3002\u5176\u7814\u7a76\u7ed3\u679c\u5982\u4e0b\uff1a(1)\u968f\u53d8\u5f62\u91cf\u7684\u589e\u52a0\uff0c\u53d8\u5f62\u673a\u5236\u7531\u4f4d\u9519\u6ed1\u79fb\u8f6c\u4e3a\u526a\u5207\u5e26\u6ed1\u79fb\u3002(2)\u5927\u91cf\u53d8\u5f62\u4e0b\u6750\u6599\u5185\u90e8\u4e3a\u5747\u8d28\u53d8\u5f62\u548c\u526a\u5207\u65ad\u88c2\u6a21\u5f0f\u3002(3)\u51b7\u8f67\u4f7f\u6750\u6599\u8868\u9762\u7531\u65e0\u5e8f\u7ec4\u7ec7\u8f6c\u53d8\u4e3a\u6208\u65af\u7ec7\u6784\uff0c\u5e76\u4e14\u968f\u5f62\u53d8\u91cf\u8d85\u8fc750%\u65f6\u4e5f\u51fa\u73b0\u4e86\u9ec4\u94dc\u578b\u7ec7\u6784\u3002(4)\u51b7\u8f67\u5f62\u6210\u4e86\u5927\u91cf\u5bc6\u6392\u7684\u4f4d\u9519\u80de\uff0c\u63d0\u9ad8\u4e86\u786c\u5ea6\u3001\u5c48\u670d\u5f3a\u5ea6\u3001\u6297\u62c9\u6781\u9650\u3002\u5176\u4e2d\u51b7\u8f67\u91cf\u4e3a90%\u7684\u5408\u91d1\u6709\u7740\u7edd\u4f73\u7684\u6297\u62c9\u5f3a\u5ea6\u548c\u786c\u5ea6\uff0c\u5176\u503c\u5206\u522b\u4e3a1479Mpa\u548c401.3HV\u3002<\/p>\n

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

\u56fe1\uff1a\u4e0d\u540c\u8f67\u5236\u91cf\u4e0b\u7684XRD\u56fe\u8c31\u4e0e\u6676\u683c\u53c2\u6570<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) XRD\u56fe\u8c31\u8868\u660e\u7ecf\u8f67\u5236\u540e\uff0c\u5176\u6676\u4f53\u7ed3\u6784\u5e76\u672a\u53d1\u751f\u53d8\u5316\u3002I(111)\u4e0eI(220)\u7684\u53d8\u5316\u5219\u8868\u660e\u4e86\u6709\u65b0\u7684\u7ec4\u7ec7\u5f62\u6210\uff1b<\/p>\n

(b<\/strong>) \u53f3\u56fe\u8868\u660e\u6750\u6599\u7684\u6676\u683c\u53c2\u6570\u968f\u7740\u51b7\u8f67\u91cf\u7684\u589e\u52a0\u800c\u589e\u52a0\u3002<\/p>\n

\u56fe2\uff1aAl0.25<\/sub>CoCrFeNi\u7684\u7ec4\u7ec7\u6f14\u5316\u8fc7\u7a0b<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) \u94f8\u6001\u679d\u6676\u7ec4\u7ec7\uff1b<\/p>\n

(b<\/strong>) \u8f67\u5236\u91cf30%\uff1b<\/p>\n

(c<\/strong>) \u8f67\u5236\u91cf70%\uff1b<\/p>\n

(d<\/strong>) \u8f67\u5236\u91cf90%\uff1b<\/p>\n

\u63d2\u56fe\u8868\u793a\u968f\u7740\u8f67\u5236\u91cf\u7684\u589e\u52a0\uff0c\u6676\u7c92\u6cbf\u7740\u8f67\u5236\u65b9\u5411\u53d1\u751f\u4e86\u4e25\u91cd\u7684\u53d8\u5f62\uff1b\u5728\u51b7\u8f67\u91cf\u8d85\u8fc790%\u65f6\uff0c\u7535\u89e3\u629b\u5149\u540e\u7684\u8bd5\u6837\u53ef\u4ee5\u89c2\u5bdf\u5230\u526a\u5207\u5e26\u3002<\/p>\n

\u56fe3\uff1a\u62c9\u4f38\u8bd5\u6837\u7684\u5de5\u7a0b\u5e94\u529b-\u5e94\u53d8\u66f2\u7ebf<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) \u94f8\u6001Al0.25<\/sub>CoCrFeNi\u6709\u7740\u6781\u597d\u7684\u5ef6\u5c55\u6027\uff0c\u65ad\u88c2\u5f62\u53d8\u91cf\u53ef\u8fbe60%\uff0c\u4f46\u5c48\u670d\u5f3a\u5ea6\u4ec5\u6709126MPa\uff1b<\/p>\n

(b<\/strong>) \u4ee5\u5ef6\u5c55\u6027\u4e0b\u964d\u4e3a\u4ee3\u4ef7\uff0c\u51b7\u8f67\u6781\u5927\u5730\u589e\u52a0\u4e86\u5c48\u670d\u5f3a\u5ea6\u548c\u65ad\u88c2\u5f3a\u5ea6\u3002\u5176\u4e2d\u5e73\u8861\u6027\u6700\u597d\u7684\u4e00\u7ec4\u7ed3\u679c\u4e3a\u5f62\u53d8\u91cf30%\u65f6\uff0c\u5c48\u670d\u5f3a\u5ea6691MPa\uff0c\u6297\u62c9\u5f3a\u5ea6736MPa\u4f38\u957f12.5%\uff1b<\/p>\n

\u56fe4\uff1a\u62c9\u4f38\u8bd5\u6837\u65ad\u53e3\u7684\u5b8f\u89c2\u89c2\u5bdf\u4e0e\u5fae\u89c2\u7ec4\u7ec7<\/strong><\/p>\n

\"\"<\/p>\n

(a-c<\/strong>) \u94f8\u6001\u4ee5\u53ca50%\uff0c90%\u8f67\u5236\u91cf\u65f6\u7684\u65ad\u53e3\u5b8f\u89c2\u5f62\u8c8c\uff1b\u8868\u660e\u65ad\u88c2\u4e3a\u526a\u5207\u65ad\u88c2\u6a21\u5f0f\uff0c\u5728\u4e00\u5b9a\u89d2\u5ea6\u4e0a\u5b58\u5728\u7740\u6700\u5927\u5207\u5e94\u529b\u5e73\u9762\u4f18\u5148\u65ad\u88c2\uff1b<\/p>\n

(d-f<\/strong>) \u94f8\u6001\u4ee5\u53ca50%\uff0c90%\u8f67\u5236\u91cf\u65f6\u65ad\u53e3\u8868\u9762\u4fef\u89c6\u56fe\uff1b\u8868\u660e\u7ecf\u8fc7\u8f67\u5236\uff0c\u5b54\u9699\u7387\u964d\u4f4e\uff0c\u7f29\u5b54\u51cf\u5c11\uff0c\u65ad\u88c2\u6a21\u5f0f\u4e3a\u5851\u6027\u65ad\u88c2\u4e2d\u5178\u578b\u7684\u97e7\u7a9d\u65ad\u88c2\uff1b<\/p>\n

(d\u2019; d\u2019\u2019; e\u2019; f\u2019)d\u3001e\u3001f\u7ecf\u5c40\u90e8\u653e\u5927\u540e\u7684\u56fe\u7247\u3002<\/p>\n

\u56fe5\uff1aAl0.25<\/sub>CoCrFeNi\u7684EBSD\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) \u94f8\u6001\u679d\u6676\u7ec4\u7ec7\uff1b<\/p>\n

(b<\/strong>) \u8f67\u5236\u91cf30%\uff1b<\/p>\n

(c<\/strong>) \u8f67\u5236\u91cf50%\uff1b<\/p>\n

\u56fe\u4e2d\u6676\u7c92\u53d6\u5411\u7528\u4e0d\u540c\u989c\u8272\u6807\u5b9a\uff1b\u6a2a\u5411\u4e3a\u8f67\u5236\u65b9\u5411\uff0c\u7eb5\u5411\u4e3a\u622a\u9762\u65b9\u5411\u3002\u94f8\u6001\u7684\u7b49\u8f74\u6676\u968f\u8f67\u5236\u91cf\u589e\u52a0\u800c\u88ab\u9010\u6e10\u62c9\u957f\uff0c\u540c\u65f6\u53d6\u5411\u4e5f\u53d1\u751f\u5f88\u5927\u7a0b\u5ea6\u7684\u53d8\u5316\u3002\u8868\u660e\u4e86\u51b7\u8f67\u80fd\u591f\u6539\u53d8\u6676\u7c92\u53d6\u5411\u3001\u62c9\u957f\u6676\u7c92\u5c3a\u5bf8\u5e76\u6676\u7c92\u5185\u90e8\u5f62\u6210\u6ed1\u79fb\u5e26\u3002<\/p>\n

\u56fe6\uff1aAl0.25<\/sub>CoCrFeNi\u7684\u53cd\u6781\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) \u94f8\u6001\uff1b<\/p>\n

(b<\/strong>) 30%\u51b7\u8f67\u91cf\uff1b<\/p>\n

(c<\/strong>) 50%\u51b7\u8f67\u91cf\uff1b<\/p>\n

(d<\/strong>) 70%\u51b7\u8f67\u91cf\u3002<\/p>\n

\u51b7\u8f67\u91cf\u4e3a30%\u65f6\u51fa\u73b0\u6208\u65af\u7ec7\u6784\uff0c\u8868\u660e\u4e86\u6ed1\u79fb\u6cbf{111}\u6676\u9762\u65cf<110>\u65b9\u5411\u6ed1\u79fb\uff1b\u51b7\u8f67\u91cf\u8d85\u8fc770%\u65f6\uff0c<110>\u5e73\u884c\u4e8e\u8f67\u5236\u65b9\u5411\uff1b\u572850%\u8f67\u5236\u91cf\u65f6\uff0c{111}<110>\u7684\u4ea4\u6ed1\u79fb\u9010\u6e10\u5931\u53bb\u652f\u914d\u5730\u4f4d\uff0c\u53d6\u800c\u4ee3\u4e4b\u7684\u662f\u526a\u5207\u6ed1\u79fb\u5e26\u3002<\/p>\n

\u56fe7\uff1aAl0.25<\/sub>CoCrFeNi\u7684\u900f\u5c04\u7535\u955c\u7167\u7247<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) 90%\u51b7\u8f67\u91cf\u4e0b\u8bd5\u6837\u7684TEM\u7167\u7247\uff0c\u5176\u4e2dA\u533a\u57df\u4e3aFCC\u76f8\u7ed3\u6784\uff1b\u53ef\u4ee5\u770b\u5230\u51b7\u8f67\u5f62\u6210\u4e86\u5927\u91cf\u5bc6\u6392\u7684\u4f4d\u9519\u80de\uff1b<\/p>\n

(b<\/strong>) \u5c06A\u533a\u57df\u653e\u5927\u540e\u7684\u884d\u5c04\u82b1\u6837\u3002\u8d85\u70b9\u9635\u6591\u8868\u660e\u5176\u6709\u7740\u7a33\u5b9a\u7684FCC\u7ed3\u6784\uff0c\u8fd9\u4e5f\u5370\u8bc1\u4e86\u5148\u524d\u7684XRD\u5206\u6790\u7ed3\u679c\u3002<\/p>\n

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

\u9ad8\u71b5\u5408\u91d1\u4ece\u63d0\u51fa\u6982\u5ff5\u81f3\u4eca\u5df2\u7ecf\u8fc7\u53bb\u4e86\u5341\u591a\u5e74\uff0c\u7814\u7a76\u53d1\u73b0\u9ad8\u71b5\u5408\u91d1\u6240\u5177\u6709\u8d85\u8d8a\u4f20\u7edf\u6750\u6599\u51e0\u500d\u751a\u81f3\u51e0\u5341\u500d\u7684\u4f18\u5f02\u6027\u80fd\u3002\u7814\u7a76\u7684\u540c\u65f6\u4e5f\u9700\u8981\u5bf9\u9ad8\u71b5\u5408\u91d1\u8fdb\u884c\u4ea7\u4e1a\u5316\uff0c\u5546\u4e1a\u5316\u63a2\u7d22\uff0c\u4f7f\u5176\u80fd\u591f\u66f4\u597d\u5730\u670d\u52a1\u4e8e\u793e\u4f1a\u3002\u6b64\u7814\u7a76\u5c06Al0.25<\/sub>CoCrFeNi\u8fdb\u884c\u4e86\u4e0d\u540c\u7a0b\u5ea6\u7684\u51b7\u8f67\uff0c\u63a2\u7a76\u4e86\u5176\u5185\u90e8\u7684\u53d8\u5f62\u673a\u5236\uff0c\u7ec7\u6784\u6f14\u5316\u8fc7\u7a0b\uff0c\u4e3a\u9ad8\u71b5\u5408\u91d1\u8d70\u5411\u4ea7\u4e1a\u5316\u9053\u8def\u5960\u5b9a\u4e86\u575a\u5b9e\u7684\u4e00\u6b65\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Strengthening in Al0.25<\/sub>CoCrFeNi high-entropy alloys by cold rolling<\/a> (MAT SCI ENG A,2017,DOI: 10.1016\/j.msea.2017.09.089)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u90ed\u52c7\u7f16\u8bd1\uff0c\u9648\u70b3\u65ed\u5ba1\u6838\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n

\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a\u6d4b\u8bd5\u8c37<\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

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