{"id":183091,"date":"2019-08-14T09:51:18","date_gmt":"2019-08-14T01:51:18","guid":{"rendered":"\/\/m.iemloyee.com\/?p=183091"},"modified":"2019-08-14T09:51:18","modified_gmt":"2019-08-14T01:51:18","slug":"scripta-mater-%ef%bc%9a%e7%ba%b3%e7%b1%b3%e6%9e%90%e5%87%ba%e7%9b%b8%e5%bc%ba%e5%8c%96%e7%9a%84%e6%96%b0%e5%9e%8b%e9%9d%a2%e5%bf%83%e7%ab%8b%e6%96%b9%e9%ab%98%e7%86%b5%e5%90%88%e9%87%91","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=183091","title":{"rendered":"Scripta Mater.\uff1a\u7eb3\u7c73\u6790\u51fa\u76f8\u5f3a\u5316\u7684\u65b0\u578b\u9762\u5fc3\u7acb\u65b9\u9ad8\u71b5\u5408\u91d1"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/p>\n
\u9ad8\u71b5\u5408\u91d1\u662f\u4e00\u7c7b\u81f3\u5c11\u5305\u542b\u56db\u79cd\u4e3b\u8981\u4e3b\u8981\u7ec4\u6210\u5143\u7d20\u7684\u6750\u6599\u3002\u81ea2004\u5e74\u7531Yeh\u548cCantor\u7b49\u4eba\u63d0\u51fa\u4ee5\u6765\uff0c\u9ad8\u71b5\u5408\u91d1\u51ed\u501f\u4f18\u5f02\u7684\u529b\u5b66\u6027\u80fd\u3001\u6297\u8f90\u5c04\u635f\u4f24\u80fd\u529b\u548c\u8010\u78e8\u3001\u6297\u75b2\u52b3\u548c\u8150\u8680\u80fd\u529b\uff0c\u4ee5\u53ca\u70ed\u5904\u7406\u8fc7\u7a0b\u4e2d\u7684\u663e\u5fae\u7ed3\u6784\u7a33\u5b9a\u6027\uff0c\u81f3\u4eca\u4f9d\u65e7\u53d7\u5230\u7814\u7a76\u8005\u4eec\u6781\u5927\u7684\u5173\u6ce8\u3002\u901a\u5e38\u6765\u8bb2\uff0c\u9ad8\u71b5\u5408\u91d1\u5177\u6709\u7b80\u5355\u9762\u5fc3\u7acb\u65b9\u3001\u4f53\u5fc3\u7acb\u65b9\u6216\u5bc6\u6392\u516d\u65b9\u56fa\u6eb6\u4f53\u7ed3\u6784\u30022015\u5e74\u81f3\u4eca\uff0c\u5bf9\u9ad8\u71b5\u5408\u91d1\u7684\u529b\u5b66\u6027\u80fd\u3001\u76f8\u9884\u6d4b\u3001\u75b2\u52b3\u884c\u4e3a\u548c\u5408\u91d1\u8bbe\u8ba1\u7b49\u7814\u7a76\u5de5\u4f5c\u4e3a\u9ad8\u71b5\u5408\u91d1\u7684\u53d1\u5c55\u548c\u5e94\u7528\u505a\u51fa\u4e86\u7a81\u51fa\u7684\u8d21\u732e\uff0c\u7136\u800c\uff0c\u5bf9\u9ad8\u71b5\u5408\u91d1\u76f8\u5f62\u6210\u884c\u4e3a\u7684\u7814\u7a76\u8fd8\u5f88\u6709\u9650\u3002<\/p>\n
\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/p>\n
\u8fd1\u65e5\uff0c\u54c8\u5c14\u6ee8\u5de5\u4e1a\u5927\u5b66<\/strong>\u7684\u9648\u745e\u6da6\u6559\u6388<\/strong>\u8bfe\u9898\u7ec4\u5728Scripta Materialia<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cA novel face-centered-cubic high-entropy alloy strengthened by nanoscale precipitates<\/strong>\u201d\u7684\u6587\u7ae0\u3002\u4f5c\u8005\u5f15\u5165\u4e86\u4e00\u79cd\u65b0\u578bCo9<\/sub>Cr7<\/sub>Cu36<\/sub>Mn25<\/sub>Ni23<\/sub>\uff08\u539f\u5b50\u767e\u5206\u6bd4\uff09\u9ad8\u71b5\u5408\u91d1\uff0c\u7814\u7a76\u5e76\u5448\u73b0\u4e86\u8be5\u6750\u6599\u7684\u529b\u5b66\u6027\u80fd\u3001\u76f8\u7ec4\u6210\u663e\u5fae\u7ed3\u6784\u548c\u5316\u5b66\u5206\u5e03\u3002\u4e3a\u63cf\u8ff0\u6b64\u7c7b\u9ad8\u71b5\u5408\u91d1\u6676\u4f53\u5f62\u6210\u548c\u7eb3\u7c73\u5c3a\u5ea6\u6790\u51fa\u76f8\u5f62\u6210\u8fc7\u7a0b\u4e2d\u7684\u884c\u4e3a\uff0c\u4f5c\u8005\u63d0\u51fa\u4e86\u4e00\u79cd\u539f\u5b50\u8fd0\u52a8\u6a21\u578b\u3002\u6240\u5f97\u7814\u7a76\u7ed3\u679c\u5bf9\u53d1\u5c55\u9ad8\u6027\u80fd\u9ad8\u71b5\u5408\u91d1\u5c06\u4f1a\u6709\u6240\u52a9\u76ca\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/p>\n \u56fe1\uff1aCo9<\/sub>Cr7<\/sub>Cu36<\/sub>Mn25<\/sub>Ni23<\/sub>\u9ad8\u71b5\u5408\u91d1\u7684\u529b\u5b66\u6027\u80fd\u548c\u6676\u4f53\u7ed3\u6784\u3002<\/p>\n (b) \u62c9\u4f38\u5de5\u7a0b\u5e94\u529b\u5e94\u53d8\u66f2\u7ebf\uff1b<\/p>\n (c) Co9<\/sub>Cr7<\/sub>Cu36<\/sub>Mn25<\/sub>Ni23<\/sub>\u9ad8\u71b5\u5408\u91d1\u53ca\u5176\u4ed6\u9ad8\u71b5\u5408\u91d1\u4f53\u7cfb\u7684\u62c9\u4f38\u5c48\u670d\u5f3a\u5ea6\u548c\u5ef6\u4f38\u7387\uff1b<\/p>\n (d) Co9<\/sub>Cr7<\/sub>Cu36<\/sub>Mn25<\/sub>Ni23<\/sub>\u9ad8\u71b5\u5408\u91d1\u53ca\u5176\u4ed6\u9ad8\u71b5\u5408\u91d1\u4f53\u7cfb\u7684\u6781\u9650\u62c9\u4f38\u5f3a\u5ea6\u548c\u5ef6\u4f38\u7387\u3002<\/p>\n \u56fe2\uff1aX\u5c04\u7ebf\u80fd\u8c31\u4eea\u5f97\u5230Co9<\/sub>Cr7<\/sub>Cu36<\/sub>Mn25<\/sub>Ni23<\/sub>\u9ad8\u71b5\u5408\u91d1\u7684\u663e\u5fae\u7ed3\u6784\u548c\u5143\u7d20\u5206\u5e03\u56fe\u3002<\/p>\n (b-f) Co9<\/sub>Cr7<\/sub>Cu36<\/sub>Mn25<\/sub>Ni23<\/sub>\u9ad8\u71b5\u5408\u91d1\u4e2dCo\uff0cCr\uff0cCu\uff0cMn\u548cNi\u7684\u5143\u7d20\u5206\u5e03\u56fe\u3002<\/p>\n \u56fe3\uff1aCo9<\/sub>Cr7<\/sub>Cu36<\/sub>Mn25<\/sub>Ni23<\/sub>\u9ad8\u71b5\u5408\u91d1\u7684TEM\u56fe\u50cf\u3002<\/p>\n (b) (a)\u56fe\u7684\u7535\u5b50\u884d\u5c04\u6591\u70b9\uff1b<\/p>\n (c) \u9ad8\u500d\u660e\u573aTEM\u56fe\u50cf\uff1b<\/p>\n (d) (c)\u56fe\u7684\u7535\u5b50\u884d\u5c04\u6591\u70b9\uff1b<\/p>\n (e-j) \u9ad8\u89d2\u73af\u5f62\u6697\u573a\u56fe\uff08HAADF\uff09\u548c\u76f8\u5e94\u7684Co\uff0cCr\uff0cCu\uff0cMn\u548cNi\u7684STEM-EDS\u5143\u7d20\u5206\u5e03\u56fe\u3002<\/p>\n \u56fe4\uff1a\u539f\u5b50\u8fd0\u52a8\u6a21\u578b\u3002<\/p>\n (b) \u7eb3\u7c73\u6790\u51fa\u76f8\u7684\u5f62\u6210\u884c\u4e3a\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/p>\n \u4f5c\u8005\u9996\u6b21\u7814\u7a76\u4e86Co9<\/sub>Cr7<\/sub>Cu36<\/sub>Mn25<\/sub>Ni23<\/sub>\u9ad8\u71b5\u5408\u91d1\u4f53\u7cfb\uff0c\u89c2\u5bdf\u5230\u8fd9\u7c7b\u6750\u6599\u53ef\u4ee5\u5c06\u62c9\u4f38\u5c48\u670d\u5f3a\u5ea6\u548c\u5ef6\u5c55\u6027\u5f88\u597d\u5730\u7ed3\u5408\u8d77\u6765\u3002\u5728\u8fd9\u7c7b\u65b0\u578b\u9ad8\u71b5\u5408\u91d1\u4e2d\uff0c\u4f5c\u8005\u53d1\u73b0\u5927\u91cf\u5c3a\u5bf8\u57283-8nm\u5927\u7684\u6790\u51fa\u76f8\u5bcc\u96c6\u5728Co\u3001Cr\u4e2d\uff0c\u800c\u5728Cu\u4e2d\u542b\u91cf\u6781\u5c11\u3002\u4f5c\u8005\u8fdb\u4e00\u6b65\u63a8\u65ad\uff0c\u7ea6419MPa\u7684\u9644\u52a0\u5f3a\u5ea6\u662f\u7531\u7eb3\u7c73\u9897\u7c92\u548c\u57fa\u4f53\u76f4\u964d\u7684\u6676\u683c\u9519\u914d\u548c\u526a\u5207\u6a21\u91cf\u9519\u914d\u5f15\u8d77\u7684\u3002\u603b\u62c9\u4f38\u5f3a\u5ea6\u4e3a700MPa\uff0c\u8bf4\u660e\u4e5f\u53ef\u4ee5\u901a\u8fc7\u56fa\u6eb6\u5f3a\u5316\u548c\u6676\u754c\u5f3a\u5316\u673a\u5236\u5b9e\u73b0\u5408\u91d1\u7684\u5f3a\u5316\u3002<\/p>\n \u57fa\u4e8eX\u5c04\u7ebf\u80fd\u8c31\u4eea\u5206\u6790\u548c\u9ad8\u71b5\u5408\u91d1\u7684\u6676\u4f53\u5f62\u6210\u884c\u4e3a\u7684\u7814\u7a76\uff0c\u4f5c\u8005\u53d1\u73b0\u9ad8\u7194\u70b9\u5143\u7d20\u504f\u5411\u4e8e\u4f5c\u4e3a\u521d\u6676\u76f8\u6790\u51fa\uff0c\u800c\u4f4e\u7194\u70b9\u5143\u7d20\u5219\u968f\u7740\u6e29\u5ea6\u964d\u4f4e\u6790\u51fa\u5e76\u9644\u7740\u4e8e\u521d\u6676\u76f8\u4e0a\u3002\u6b64\u5916\uff0c\u968f\u7740\u6e29\u5ea6\u964d\u4f4e\uff0c\u4e00\u90e8\u5206Co\u548cCr\u4ece\u8fc7\u9971\u548c\u56fa\u6eb6\u4f53\u4e2d\u6790\u51fa\u5e76\u5f62\u6210\u6790\u51fa\u76f8\u3002\u6790\u51fa\u76f8\u751f\u957f\u5230\u51e0\u7eb3\u7c73\u5927\u5c0f\uff0c\uff0c\u6536\u5230\u7f13\u6162\u6269\u6563\u6548\u5e94\u7684\u963b\u788d\u65e0\u6cd5\u8fdb\u4e00\u6b65\u957f\u5927\uff0c\u4ece\u800c\u5f62\u6210\u4e86\u7eb3\u7c73\u6790\u51fa\u76f8\u3002<\/p>\n <\/p>\n(a) XRD \u8c31\uff1b<\/p>\n
(a) Co9<\/sub>Cr7<\/sub>Cu36<\/sub>Mn25<\/sub>Ni23<\/sub>\u9ad8\u71b5\u5408\u91d1\u7684\u663e\u5fae\u7ed3\u6784\uff1b<\/p>\n
(a) \u4f4e\u500d\u660e\u573aTEM\u56fe\u50cf\uff1b<\/p>\n
(a) Co9<\/sub>Cr7<\/sub>Cu36<\/sub>Mn25<\/sub>Ni23<\/sub>\u9ad8\u71b5\u5408\u91d1\u6676\u4f53\u5f62\u6210\u884c\u4e3a\u7684\u539f\u5b50\u8fd0\u52a8\u6a21\u578b\uff1b<\/p>\n