{"id":225259,"date":"2021-08-05T06:11:00","date_gmt":"2021-08-04T22:11:00","guid":{"rendered":"\/\/m.iemloyee.com\/?p=225259"},"modified":"2021-08-04T21:11:09","modified_gmt":"2021-08-04T13:11:09","slug":"%e6%99%ae%e6%b8%a1%e5%a4%a7%e5%ad%a6%e5%bc%a0%e6%98%9f%e8%88%aa%e5%9b%a2%e9%98%9fsci-adv-%ef%bc%9a%e5%85%b7%e6%9c%89%e5%ae%a4%e6%b8%a9%e5%8f%98%e5%bd%a2%e8%83%bd%e5%8a%9b%e7%9a%84%e9%ab%98%e5%bc%ba","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=225259","title":{"rendered":"\u666e\u6e21\u5927\u5b66\u5f20\u661f\u822a\u56e2\u961fSci. Adv.\uff1a\u5177\u6709\u5ba4\u6e29\u53d8\u5f62\u80fd\u529b\u7684\u9ad8\u5f3a\u5ea6\u7eb3\u7c73\u91d1\u5c5e\u95f4\u5316\u5408\u7269"},"content":{"rendered":"

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\uff08B,C\uff09\u5177\u6709\u22115 GB (B) \u548c\u539aCo\u5c42 (C) \u7684CoAl\u67f1\u7684\u521d\u59cb\u7ed3\u6784\u3002\u539f\u5b50\u91c7\u7528\u5171\u90bb\u5206\u6790\u8fdb\u884c\u989c\u8272\u7f16\u7801\uff0c\u5176\u4e2d\u84dd\u8272\u3001\u6a59\u8272\u3001\u7d2b\u8272\u548c\u767d\u8272\u5206\u522b\u8868\u793a\u4f53\u5fc3\u7acb\u65b9(BCC)\u3001\u9762\u5fc3\u7acb\u65b9(FCC)\u3001HCP\u548c\u672a\u77e5\u7ed3\u6784\u3002\u7eff\u8272\u3001\u7ea2\u8272\u3001\u84dd\u8272\u548c\u9ed1\u8272\u7ebf\u5206\u522b\u4ee3\u8868\u00bd[111]\u8d85\u5c40\u90e8\u4f4d\u9519\u3001[100]\u3001[110]\u548c\u5176\u4ed6\u4f4d\u9519\uff0c\u8fd9\u4e9b\u662f\u4f7f\u7528OVITO\u4f4d\u9519\u5206\u6790\u786e\u5b9a\u3002<\/p>\n

\uff08D-F\uff09\u89c4\u5219GBs\u7684CoAl\u67f1\u7684\u539f\u5b50\u7ed3\u6784(\u5de6)\u548c\u4f4d\u9519\u5206\u6790(\u53f3)\u3002(D)\u4f4d\u9519\u7ea0\u7f20\u5728\u89c4\u5219GB\u533a\u57df\u5185\u3002(E)\u526a\u5207\u5e26\u7684\u5f62\u6210\u5bfc\u81f4\u4e86\u56fe5A\u4e2d\u7684\u4e3b\u8981\u5e94\u529b\u964d\u3002\u4f4d\u9519\u53ea\u51fa\u73b0\u5728GB\u548c\u526a\u5207\u5e26\u3002(F)\u526a\u5207\u5e26\u7684\u4f20\u64ad\u53ef\u8c03\u8282\u53ef\u5851\u6027\u3002\u5728\u8fdc\u79bb\u526a\u5207\u5e26\u548cGB\u533a\u57df\u7684\u5730\u65b9\u89c2\u5bdf\u5230\u5f88\u5c11\u7684\u79fb\u52a8\u4f4d\u9519\u3002<\/p>\n

\uff08G,H\uff09\u5bccCo\u539aGBs\u7684CoAl\u67f1\u5bf9\u5e94\u7684\u539f\u5b50\u7ed3\u6784(\u5de6)\u548c\u4f4d\u9519\u5206\u6790(\u53f3)\u3002Co\u5c42\u542b\u6709\u503e\u659c\u7684SFs\u3002(G,H)\u5728\u5c48\u670d\u4e4b\u524d\uff0cCo\u6cbf\u7740SFs\u7684\u65b9\u5411\u5728CoAl\/Co\u754c\u9762\u5904\u5f00\u59cb\u6210\u6838\u3002(I)\u00bd[111]\u4f4d\u9519\u4f20\u64ad\u5230CoAl\u6676\u7c92\u4e2d\uff0c\u5bfc\u81f4\u5c48\u670d\u3002<\/p>\n

\uff08J-M\uff09\u5728CoAl\/Co\u67f1\u4e2d\uff0c[100]\u4f4d\u9519\u53ef\u4ee5\u4f20\u64ad\u5230\u6574\u4e2a\u5e95\u90e8\u6676\u7c92\u3002<\/p>\n

\uff08N-Q\uff09\u00bd[111]\u4f4d\u9519\u76f8\u4e92\u53cd\u5e94\u5f62\u6210[110]\u548c[100]\u4f4d\u9519\u3002<\/p>\n

\u56fe<\/strong>6<\/strong>\u00a0CoAl\u67f1\u548cCoAl\/Co\u67f1\u7684\u4f4d\u9519\u5206\u6790<\/strong>\"\"<\/p>\n

\uff08A,B\uff09CoAl\u67f1\uff08A\uff09\u548cCoAl\/Co\u67f1\uff08B\uff09\u572813.5%\u771f\u5b9e\u5e94\u53d8\u4e0b\u7684\u539f\u5b50\u7ed3\u6784\uff08\u5de6\uff09\u548c\u4f4d\u9519\u5206\u6790\uff08\u53f3\uff09\u3002<\/p>\n

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

\u7efc\u4e0a\u6240\u8ff0\uff0c\u672c\u6587\u62a5\u544a\u4e86\u4e00\u79cd\u8d85\u9ad8\u5f3a\u5ea6\u3001\u5ba4\u6e29\u53ef\u53d8\u5f62\u7684\u7eb3\u7c73\u6676CoAl\u91d1\u5c5e\u95f4\u5316\u5408\u7269(Co60<\/sub>Al40<\/sub>)\uff0c\u5176\u539aGBs\u662f\u901a\u8fc7\u9000\u706bAl\/Co\u7eb3\u7c73\u5c42\u5236\u5907\u7684\u3002\u539f\u4f4dSEM\u538b\u7f29\u8bd5\u9a8c\u8868\u660e\uff0c\u7eb3\u7c73\u6676\u7ed3\u6784\u548c\u5bccCo\u539aGBs\u4f7fCo60<\/sub>Al40<\/sub>\u540c\u65f6\u5177\u6709\u9ad8\u5f3a\u5ea6\u548c\u5ba4\u6e29\u53ef\u5851\u6027\u3002\u53d8\u5f62\u540e\u7684TEM\u5206\u6790\u8868\u660e\uff0c\u5177\u6709\u539aGBs\u7684Co60<\/sub>Al40<\/sub>\u7684\u4f4d\u9519\u5bc6\u5ea6\u6bd4\u4f20\u7edf\u7684Co50<\/sub>Al50<\/sub>\u5927\u5f97\u591a\u3002MD\u6a21\u62df\u9610\u660e\u4e86[100]\u548c\u00bd[111]\u4f4d\u9519\u5728\u53d8\u5f62\u671f\u95f4\u4eceCoAl\/Co\u754c\u9762\u6210\u6838\uff0c\u5e76\u901a\u8fc7CoAl\u6676\u7c92\u4f20\u64ad\u4ee5\u9002\u5e94\u53ef\u5851\u6027\u3002CoAl\/Co\u754c\u9762\u4e0a\u7684\u4f4d\u9519\u6210\u6838\u4e0e\u5bccCo\u539aGBs\u4e2dSFs\u7684\u5b58\u5728\u5bc6\u5207\u76f8\u5173\uff0c\u8fd9\u4e00\u6709\u8da3\u7684\u73b0\u8c61\u503c\u5f97\u8fdb\u4e00\u6b65\u7814\u7a76\u3002\u76ee\u524d\u7684\u7814\u7a76\u4e3a\u63d0\u9ad8\u91d1\u5c5e\u95f4\u5316\u5408\u7269\u7684\u5ba4\u6e29\u53ef\u5851\u6027\u63d0\u4f9b\u4e86\u4e00\u4e2a\u65b0\u7684\u89c6\u89d2\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/b><\/strong>\uff1aHigh-strength nanocrystalline intermetallics with room temperature deformability enabled by nanometer thick grain boundaries<\/u><\/a>\uff08Sci. Adv.\uff0c2021\uff0cDOI\uff1a10.1126\/sciadv.abc8288\uff09<\/p>\n

\u672c\u6587\u7531\u6728\u6587\u97ec<\/strong>\u7ffb\u8bd1\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n

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