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1.\u5317\u4eac\u79d1\u6280\u5927\u5b66\u65b0\u91d1\u5c5e\u6750\u6599\u56fd\u5bb6\u91cd\u70b9\u5b9e\u9a8c\u5ba4\u5415\u662d\u5e73<\/b><\/strong>\u6559\u6388<\/b><\/strong><\/p>\n

2018\u5e7411\u670814\u65e5\uff0c\u5415\u662d\u5e73\u6559\u6388\u56e2\u961f\u5728\u56fd\u9645\u9876\u7ea7\u5b66\u672f\u671f\u520a\u300aNature\u300b\u53d1\u8868\u4e86\u540d\u4e3a\u300aEnhanced strength and ductility in a high-entropy alloy via ordered oxygen complexes\u300b\u7684\u6587\u7ae0\uff0c\u4ed6\u4eec\u56e2\u961f\u5bf9\u9ad8\u71b5\u5408\u91d1TiZrHfNb\u7684\u7814\u7a76\u53d1\u73b0\uff0c\u8be5\u5408\u91d1\u6dfb\u52a0\u6c27\u5143\u7d20\u4e4b\u540e\uff0c\u62c9\u4f38\u5f3a\u5ea6\u63d0\u9ad8\u4e8648.5\u00b11.8 %\uff0c\u5851\u6027\u7531\u57fa\u4f53\u5408\u91d1\u768414.21\u00b11.09 %\u63d0\u9ad8\u5230\u4e8627.66\u00b11.13 %\uff0c\u5373\u5b9e\u73b0\u4e86\u5f3a\u5ea6\u548c\u5851\u6027\u7684\u540c\u65f6\u5927\u5e45\u5ea6\u63d0\u9ad8\u3002\u4f46\u6dfb\u52a0N\u5143\u7d20\u540e\uff0c\u5f3a\u5ea6\u589e\u52a0\uff0c\u5851\u6027\u964d\u4f4e\u3002\u901a\u8fc7\u9ad8\u5206\u8fa8\u7535\u955c\u7b49\u7684\u8868\u5f81\u53d1\u73b0\uff0cTiZrHfNb\u5408\u91d1\u4e2d\u5b58\u5728\uff08Ti\uff0cZr\uff09\u4ee5\u53ca\uff08Hf\uff0cNb\uff09\u4e24\u79cd\u77ed\u7a0b\u6709\u5e8f\u7ed3\u6784\u533a\u57df\u3002\u6750\u6599\u4e2d\u6dfb\u52a0O\u5143\u7d20\u540e\uff0c\u4f18\u5148\u5360\u636e\uff08Ti\uff0cZr\uff09\u77ed\u7a0b\u7ed3\u6784\u7684\u95f4\u9699\u4f4d\u7f6e\uff0c\u5f62\u6210\u6709\u5e8f\u6c27\u590d\u5408\u4f53\uff08O\uff0cTi\uff0cZr\uff09\uff08\u5927\u5c0f\u7ea6\u4e3a1~3nm\uff0c\u5982Figure 1\uff09\uff0c\u4ece\u800c\u9020\u6210\u56fa\u6eb6\u5f3a\u5316\uff0c\u63d0\u9ad8\u6750\u6599\u7684\u5f3a\u5ea6\u3002\u540c\u65f6\uff0c\u7531\u4e8e\u6709\u5e8f\u6c27\u590d\u5408\u4f53\u7684\u5f62\u6210\u5bf9\u4f4d\u9519\u8d77\u9489\u624e\u4f5c\u7528\uff0c\u5728\u5851\u6027\u53d8\u5f62\u7684\u8fc7\u7a0b\u4e2d\u8bf1\u5bfc\u4e86\u4f4d\u9519\u7684\u4ea4\u6ed1\u79fb\u8fd0\u52a8\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u4f4d\u9519\u5f62\u6838\u4ee5\u53ca\u589e\u503c\u901f\u7387\uff0c\u589e\u5927\u4e86\u4f4d\u9519\u7684\u5bc6\u5ea6\uff0c\u6700\u7ec8\u5bfc\u81f4\u5851\u6027\u7684\u63d0\u9ad8\uff08\u89c1Figure 2\uff09\u3002\u8be5\u53d1\u73b0\u662f\u4e00\u79cd\u5168\u65b0\u7684\u5408\u91d1\u5f3a\u97e7\u5316\u624b\u6bb5\uff0c\u53eb\u505a\u201c\u5f02\u5e38\u95f4\u9699\u5f3a\u97e7\u5316<\/b><\/strong>\u201d\uff0c \u4e3a\u5408\u91d1\u4f53\u7cfb\u63d0\u4f9b\u4e86\u4e00\u79cd\u540c\u65f6\u63d0\u9ad8\u5f3a\u5ea6\u548c\u5851\u6027\u7684\u65b0\u9014\u5f84\u3002\u5176\u5e94\u7528\u4e0d\u53ea\u9650\u4e8e\u9ad8\u71b5\u5408\u91d1\uff0c\u5728\u4f20\u7edf\u7684\u5408\u91d1\u4e2d\u4e5f\u540c\u6837\u9002\u7528\u3002\u4f8b\u5982\uff0c\u5415\u662d\u5e73\u6559\u6388\u5728\u949b\u5408\u91d1\u4e2d\u4e5f\u53d1\u73b0\u4e86\u8fd9\u4e00\u73b0\u8c61\u3002\u53e6\u5916\uff0c\u5e76\u4e0d\u53ea\u6709\u95f4\u9699\u6c27\u539f\u5b50\u80fd\u591f\u4ea7\u751f\u8fd9\u79cd\u5f3a\u97e7\u5316\u6548\u679c\uff0c\u5176\u5b83\u95f4\u9699\u539f\u5b50\uff08\u5982C\u3001B\u3001N\u7b49\uff09\u4e5f\u80fd\u8fbe\u5230\u540c\u6837\u7684\u6548\u5e94\u3002\u6700\u540e\uff0c\u503c\u5f97\u4e00\u63d0\u7684\u662f\u5415\u662d\u5e73\u6559\u6388\u56e2\u961f2017\u5e74\u5728\u8ba2\u520a\u300aNature\u300b\u4e0a\u53d1\u8868\u4e86\u300aUltrastrong steel via minimal lattice misfit and high-density nanoprecipitation\u300b\u7684\u8bba\u6587\uff0c\u8be5\u6587\u57fa\u4e8e\u6676\u683c\u9519\u914d\u548c\u9ad8\u5bc6\u5ea6\u7eb3\u7c73\u6790\u51fa\u7684\u7406\u5ff5\uff0c\u8bbe\u8ba1\u5e76\u5236\u5907\u51fa\u8d85\u9ad8\u5f3a\u9a6c\u6c0f\u4f53\u65f6\u6548\u94a2\uff0c\u5f3a\u5ea6\u6700\u9ad8\u8fbe2.2GPa\uff0c\u8fd8\u5177\u6709\u5f88\u597d\u7684\u5851\u6027\uff08\u5927\u7ea68.2%\uff09\u3002\u53ef\u89c1\u8fd9\u4f4d\u6770\u51fa\u7684\u6750\u6599\u79d1\u5b66\u5bb6\uff0c\u6b63\u5728\u4ee5\u6df1\u539a\u7684\u5b66\u672f\u9020\u8be3\uff0c\u6781\u5177\u521b\u65b0\u7684\u601d\u7ef4\u4e3a\u4f20\u7edf\u91d1\u5c5e\u6750\u6599\u7684\u53d1\u5c55\u7ee7\u5f80\u5f00\u6765\u3002<\/p>\n

Figure 1<\/p>\n

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Figure 2 \u5bcc\u6c27\u5408\u91d1\u53d8\u4f53O-2 HEA\u5851\u6027\u53d8\u5f62\u673a\u7406\u793a\u610f\u56fe[<\/sup>1]<\/sup><\/p>\n

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2.\u5357\u4eac\u7406\u5de5\u5927\u5b66\u9648\u5149\u8bfe\u9898\u7ec4<\/b><\/strong><\/p>\n

TiAl\u57fa\u5408\u91d1\u662f\u4e00\u79cd\u65b0\u5174\u7684\u91d1\u5c5e\u95f4\u5316\u5408\u7269\u7ed3\u6784\u6750\u6599\u3002\u5177\u6709\u4f4e\u5bc6\u5ea6\u3001\u9ad8\u6bd4\u5f3a\u5ea6\u548c\u6bd4\u5f39\u6027\u6a21\u91cf\uff0c\u9ad8\u6e29\u65f6\u4ecd\u53ef\u4fdd\u6301\u8f83\u9ad8\u5f3a\u5ea6\u7684\u540c\u65f6\u5177\u6709\u826f\u597d\u7684\u6297\u8815\u53d8\u53ca\u6297\u6c27\u5316\u6027\u80fd\u3002\u8fd9\u4f7f\u5176\u6210\u4e3a\u822a\u5929\u3001\u822a\u7a7a\u3001\u6c7d\u8f66\u53d1\u52a8\u673a\u7b49\u8010\u70ed\u7ed3\u6784\u4ef6\u7684\u7406\u60f3\u6750\u6599\u3002\u56e0\u6b64\uff0c\u4e16\u754c\u5404\u56fd\u7814\u7a76\u8005\u90fd\u5728\u5927\u529b\u5f00\u53d1 TiA1 \u5408\u91d1\u3002\u7136\u800c TiA1 \u5408\u91d1\u7684\u77ed\u677f\u662f\u5176\u5851\u6027\u975e\u5e38\u4f4e\uff0c\u5ba4\u6e29\u5ef6\u4f38\u7387\u901a\u5e38\u5c0f\u4e8e2.5%\uff0c\u4e25\u91cd\u9650\u5236\u4e86\u5b83\u7684\u5b9e\u9645\u5e94\u7528\u3002\u9488\u5bf9\u8fd9\u4e00\u56fd\u9645\u6027\u96be\u9898\uff0c\u5357\u4eac\u7406\u5de5\u5927\u5b66\u6750\u6599\u8bc4\u4ef7\u4e0e\u8bbe\u8ba1\u6559\u80b2\u90e8\u5de5\u7a0b\u7814\u7a76\u4e2d\u5fc3\u9648\u5149\u6559\u6388\u56e2\u961f\u7ecf\u8fc7\u957f\u671f\u7684\u7814\u7a76\uff0c\u5236\u5907\u51fa\u4e86 PST TiAl \u5355\u6676\uff08\u7ec4\u7ec7\u7ed3\u6784\u5982Figure 3\u6240\u793a\uff09\uff0c\u6027\u80fd\u4e0a\u5b9e\u73b0\u4e86\u65b0\u7684\u5927\u5e45\u5ea6\u8de8\u8d8a\u3002PST TiAl \u5355\u6676\u6750\u6599\u5ba4\u6e29\u62c9\u4f38\u5851\u6027\u548c\u5c48\u670d\u5f3a\u5ea6\uff08\u89c1Figure 4\uff09\u5206\u522b\u9ad8\u8fbe6.9%\u548c708MPa\uff0c\u6297\u62c9\u5f3a\u5ea6\u9ad8\u8fbe978MPa\uff0c\u5b9e\u73b0\u4e86\u9ad8\u5f3a\u9ad8\u5851\u7684\u4f18\u5f02\u7ed3\u5408\u3002\u66f4\u4e3a\u91cd\u8981\u7684\u662f\uff0c\u8be5\u5408\u91d1\u5728900\u2103\u65f6\u7684\u62c9\u4f38\u5c48\u670d\u5f3a\u5ea6\u7ea6\u4e3a637MPa\uff0c\u5e76\u5177\u4f18\u5f02\u7684\u6297\u8815\u53d8\u6027\u80fd\uff0c\u76f8\u5173\u6210\u679c\u300aPolysynthetic twinned TiAl single crystals for high-temperature applications\u300b\u4e8e2016\u5e746\u670820\u65e5\u5728\u7ebf\u53d1\u8868\u4e8eNature Materials(\u300a\u81ea\u7136\u6750\u6599\u300b)\u3002\u5176\u6700\u5c0f\u8815\u53d8\u901f\u7387\u548c\u6301\u4e45\u5bff\u547d\u5747\u4f18\u4e8e4822\u5408\u91d11~2\u4e2a\u6570\u91cf\u7ea7\uff0c\u6709\u671b\u628a\u76ee\u524d TiAl \u5408\u91d1\u7684\u4f7f\u7528\u6e29\u5ea6\u4ece 650~750\u2103 \u63d0\u9ad8\u5230 900\u2103 \u4ee5\u4e0a\u3002\u5317\u4eac\u822a\u7a7a\u6750\u6599\u7814\u7a76\u9662\u66f9\u6625\u6653\u9662\u58eb\u6307\u51fa\uff1a\u201c\u901a\u5e38\uff0c\u954d\u57fa\u5355\u6676\u9ad8\u6e29\u5408\u91d1\u7684\u627f\u6e29\u80fd\u529b\u6bcf\u63d0\u9ad825~30\u2103\uff0c\u5373\u4e3a\u4e00\u4ee3\u65b0\u5408\u91d1\u3002\u9648\u5149\u6559\u6388\u56e2\u961f\u53d1\u660e\u7684 TiAl \u5355\u6676\u5408\u91d1\uff0c\u4e00\u4e0b\u5c06\u627f\u6e29\u80fd\u529b\u63d0\u9ad8\u4e86150~250\u2103\u4ee5\u4e0a\uff0c\u662f\u91cd\u5927\u7a81\u7834\uff0c\u5c5e\u5f15\u9886\u6027\u6210\u679c\u3002\u8fd9\u9879\u5173\u952e\u6750\u6599\u6280\u672f\u8bde\u751f\u4e8e\u6211\u56fd\uff0c\u662f\u6211\u4eec\u56fd\u5bb6\u548c\u6c11\u65cf\u7684\u9a84\u50b2\u4e0e\u81ea\u8c6a\uff01<\/p>\n

Figure 3<\/p>\n

\"\"<\/p>\n

Ti\u201345Al\u20138Nb PST \u5355\u6676 a, PST\u5355\u6676\u5185\u90e8\u7684\u7247\u6761\u65b9\u5411\u5e73\u884c\u4e8e\u94f8\u952d\u7684\u751f\u957f\u65b9\u5411. b, PST \u5355\u6676\u5185\u90e8\u7684\u7247\u6761\u65b9\u5411\u4e0e\u94f8\u952d\u7684\u751f\u957f\u65b9\u5411\u544845\u00b0.c, \u5728a\u56fe\u4e2d\u653e\u5927\u7684PST\u5355\u6676\u5185\u90e8\u7ed3\u6784\u793a\u610f\u56fe. d\u5728b\u56fe\u4e2d\u653e\u5927\u7684PST\u5355\u6676\u5185\u90e8\u7ed3\u6784\u793a\u610f\u56fe[<\/sup>2]<\/sup>.<\/p>\n

Figure 4 PST\u949b\u94dd\u5355\u6676\u6750\u6599\u7684\u529b\u5b66\u6027\u80fd[<\/sup>2]<\/sup><\/p>\n

\"\" \u00a0<\/p>\n

3.\u6c88\u9633\u91d1\u5c5e\u6240\u56fd\u5bb6\u5b9e\u9a8c\u5ba4\u5362\u67ef\u56e2\u961f<\/b><\/strong><\/p>\n

\u4f5c\u4e3a\u56fd\u5185\u57f9\u517b\u7684\u6700\u4f18\u79c0\u7684\u9662\u58eb\u4e4b\u4e00\uff0cScience\u671f\u520a\u552f\u4e00\u7684\u534e\u4eba\u8bc4\u5ba1\u7f16\u8f91\uff0c\u5362\u67ef\u9662\u58eb\u53ef\u8c13\u5149\u534e\u65e0\u9650\u3002\u4ed6\u4eec\u56e2\u961f\u5bf9\u4e8e\u7eb3\u7c73\u91d1\u5c5e\u6750\u6599\u7684\u7814\u7a76\u6210\u679c\u4e00\u6b21\u6b21\u7684\u5237\u65b0\u7740\u65b0\u7eaa\u5f55,\u8fd9\u91cc\u9762\u5f53\u7136\u4e5f\u5305\u62ec\u540c\u65f6\u63d0\u9ad8\u7eb3\u7c73\u91d1\u5c5e\u6750\u6599\u5f3a\u5851\u6027\u7684\u7814\u7a76\u3002\u57282000\u5e74\uff0c\u5362\u67ef\u8bfe\u9898\u7ec4\u5728\u5b9e\u9a8c\u5ba4\u53d1\u73b0\u4e86\u7eb3\u7c73\u91d1\u5c5e\u94dc\u5177\u6709\u8d85\u5851\u5ef6\u5c55\u6027\u800c\u65e0\u52a0\u5de5\u786c\u5316\u6548\u5e94[3],\u8fd9\u4e3b\u8981\u662f\u56e0\u4e3a\u7eb3\u7c73\u94dc\u7684\u5851\u6027\u53d8\u5f62\u673a\u5236\u7531\u7eb3\u7c73\u6676\u7c92\u4e4b\u95f4\u7684\u6676\u754c\u6d3b\u52a8\u4e3b\u5bfc\u800c\u975e\u4f20\u7edf\u91d1\u5c5e\u6750\u6599\u7684\u6676\u683c\u4f4d\u9519\u6ed1\u79fb\u4e3b\u5bfc\u30022009\u5e74\uff0c\u300a\u79d1\u5b66\u300b\u5468\u520a\u4e0a\u520a\u767b\u4e86\u4ed6\u4eec\u7684\u7279\u9080\u7efc\u8ff0\u8bba\u6587\u300aStrengthening Materials by Engineering Coherent Internal Boundaries at the Nano-scale (Review Article)\u300b\uff0c\u63d0\u51fa\u4e86\u4e00\u79cd\u5f3a\u97e7\u5316\u7684\u65b0\u9014\u5f84\u2014\u2014\u5229\u7528\u7eb3\u7c73\u5c3a\u5ea6\u5171\u683c\u754c\u9762\u5f3a\u5316\u673a\u5236[<\/sup>4]<\/sup>\u3002\u7eb3\u7c73\u5b6a\u6676\u754c\u9762\u53ef\u6709\u6548\u963b\u788d\u4f4d\u9519\u8fd0\u52a8\uff0c\u5b6a\u6676\u754c\u9762\u4e0a\u9886\u5148\u4f4d\u9519\u5f15\u8d77\u7684\u5e94\u529b\u96c6\u4e2d\u4e0e\u5916\u52a0\u5207\u5e94\u529b\u4ee5\u53ca\u4f4d\u9519\u585e\u79ef\u7684\u6570\u91cf\u6210\u6b63\u6bd4\uff0c\u968f\u5b6a\u6676\u7247\u5c42\u539a\u5ea6\u51cf\u5c0f,\u5b6a\u6676\u5185\u90e8\u53ef\u585e\u79ef\u4f4d\u9519\u6570\u91cf\u9010\u6e10\u51cf\u5c11, \u5bfc\u81f4\u4f4d\u9519\u7a7f\u8fc7\u5b6a\u6676\u754c\u6240\u9700\u5916\u52a0\u5e94\u529b\u63d0\u9ad8\uff0c\u5f53\u5b6a\u6676\u7247\u5c42\u53d8\u8584\u4ee5\u81f3\u4e8e\u4f4d\u9519\u585e\u79ef\u65e0\u6cd5\u5b9e\u73b0\u65f6,\u5c06\u9700\u8981\u975e\u5e38\u9ad8\u7684\u5916\u52a0\u5e94\u529b\u4fc3\u4f7f\u5355\u4e2a\u4f4d\u9519\u7a7f\u8fc7\u5b6a\u6676\u754c,\u8be5\u5916\u52a0\u5e94\u529b\u53ef\u9ad8\u8fbe1.4-1.9 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\u56e0\u6b64,\u7eb3\u7c73\u5b6a\u6676\u754c\u9762\u4e0d\u4f46\u53ef\u4ee5\u963b\u788d\u4f4d\u9519\u8fd0\u52a8\uff08\u63d0\u9ad8\u5f3a\u5ea6\uff09\uff0c\u540c\u65f6\u53c8\u53ef\u4ee5\u5438\u7eb3\u4f4d\u9519\u4ece\u800c\u627f\u53d7\u8f83\u5927\u5851\u6027\u53d8\u5f62\uff08\u63d0\u9ad8\u5851\u5f62\uff09(\u89c1Figure 5)[<\/sup>4]<\/sup>\u30022011\u5e74\uff0c\u5362\u67ef\u7814\u7a76\u7ec4\u53d1\u73b0\u68af\u5ea6\u7eb3\u7c73\u91d1\u5c5e\u94dc\u65e2\u5177\u6709\u6781\u9ad8\u7684\u5f3a\u5ea6\u53c8\u517c\u6709\u826f\u597d\u7684\u62c9\u4f38\u5851\u6027\uff0c\u63ed\u793a\u4e86\u7eb3\u7c73\u91d1\u5c5e\u7684\u672c\u5f81\u5851\u6027\u548c\u53d8\u5f62\u673a\u5236[<\/sup>5]<\/sup>\u3002\u7814\u7a76\u53d1\u73b0\uff1b\u5f53\u7eb3\u7c73\u94dc\u819c\u7247\u5468\u56f4\u5177\u6709\u68af\u5ea6\u6676\u7c92\u5c3a\u5bf8\u8fc7\u6e21\u7684\u7c97\u6676\u94dc\u57fa\u4f53\u6291\u5236\u65f6\uff0c\u673a\u68b0\u9a71\u52a8\u6676\u754c\u8fc1\u79fb\u8fc7\u7a0b\u5e76\u4f34\u968f\u5927\u91cf\u7684\u6676\u7c92\u751f\u957f\u4e3b\u5bfc\u4e86\u68af\u5ea6\u7eb3\u7c73\u94dc\u5408\u91d1\u7684\u5851\u6027\u53d8\u5f62\u8fc7\u7a0b\uff0c\u53d8\u5f62\u8fc7\u7a0b\u4e2d\u6750\u6599\u5185\u90e8\u7684\u5c40\u90e8\u5e94\u529b\u96c6\u4e2d\u6d88\u9664\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u5851\u6027\u3002\u68af\u5ea6\u7eb3\u7c73\u94dc\u819c\u7247\u7684\u5f3a\u5ea6\u548c\u5851\u6027\u5747\u662f\u666e\u901a\u819c\u768410\u500d\u5de6\u53f3\u30022013\u5e74\uff0c\u5362\u67ef\u7814\u7a76\u7ec4\u5728\u300aScience\u300b\u6742\u5fd7\u4e0a\u53d1\u8868\u8bba\u6587\u300aStrain-Induced Ultrahard and Ultrastable Nanolaminated Structure in Nickel\u300b\uff0c\u5728\u8bba\u6587\u4e2d\u91cd\u70b9\u4ecb\u7ecd\u4e86\u5229\u7528\u81ea\u884c\u7814\u53d1\u7684\u6280\u672f\u88c5\u5907\u901a\u8fc7\u9ad8\u901f\u526a\u5207\u5851\u6027\u53d8\u5f62\u5728\u5757\u4f53\u954d\u91d1\u5c5e\u8868\u9762\u65bd\u52a0\u9ad8\u68af\u5ea6\u5e94\u53d8\uff0c\u53ef\u5728\u5176\u8868\u5c42\u5f62\u6210\u4e8c\u7ef4\u7684\u7eb3\u7c73\u5c42\u72b6\u7ed3\u6784\u3002\u8fd9\u79cd\u65b0\u578b\u8d85\u786c\u8d85\u9ad8\u7a33\u5b9a\u6027\u91d1\u5c5e\u7eb3\u7c73\u7ed3\u6784\u7a81\u7834\u4e86\u4f20\u7edf\u91d1\u5c5e\u6750\u6599\u7684\u5f3a\u5ea6-\u7a33\u5b9a\u6027\u5012\u7f6e\u5173\u7cfb\uff0c\u4e3a\u5f00\u53d1\u65b0\u4e00\u4ee3\u9ad8\u7efc\u5408\u6027\u80fd\u7eb3\u7c73\u91d1\u5c5e\u6750\u6599\u5f00\u8f9f\u4e86\u65b0\u9014\u5f84[<\/sup>6]<\/sup>\u3002<\/p>\n

Figure 5 HRTEM\u8868\u5f81\u7eb3\u7c73\u5b6a\u6676\u6837\u8c8c\uff1bSF\u4e3a\u5c42\u9519\uff0c\u03bb\u4e3a\u5b6a\u6676\u539a\u5ea6[<\/sup>4]<\/sup><\/p>\n

\"\"<\/p>\n

4<\/b><\/strong>. \u7ea6\u7ff0\u970d\u666e\u91d1\u65af\u5927\u5b66Yinmin Wang\u7b49\u4eba<\/b><\/strong><\/p>\n

\u5362\u67ef\u7ec4\u5bf9\u7eb3\u7c73\u6750\u6599\u7684\u7814\u7a76\u53d1\u73b0\uff1a\u5f15\u5165\u7eb3\u7c73\u5b6a\u6676\u63d0\u9ad8\u4f4d\u9519\u50a8\u5b58\u80fd\u529b\uff0c\u4ee5\u63d0\u9ad8\u6750\u6599\u97e7\u6027\u3002\u4f46\u662f\u901a\u5e38\u8d85\u7ec6\u6676\u6216\u8005\u7eb3\u7c73\u6676\u7684\u4f4d\u9519\u8d2e\u5b58\u80fd\u529b\u4e0d\u8db3\uff0c\u8fd9\u9650\u5236\u4e86\u7ec6\u6676\u97e7\u5316\u7684\u5b9e\u9645\u5e94\u7528\u3002\u76f8\u8f83\u800c\u8a00\uff0c\u8f83\u5927\u6676\u7c92\u7684\u4f4d\u9519\u8d2e\u5b58\u80fd\u529b\u660e\u663e\u63d0\u9ad8\u3002\u5b9e\u9645\u4e0a\u57282002\u5e74\uff0cJohns Hopkins\u5927\u5b66\u7684\u79d1\u5b66\u5bb6Yinmin Wang\u7b49\u4eba\u5c31\u8bbe\u8ba1\u4e86\u4e00\u79cd\u201c\u53cc\u5cf0\u7ec4\u7ec7\u201d(\u89c1Figure 6)\uff0c\u901a\u8fc7\u63a7\u5236\u6676\u7c92\u5c3a\u5bf8\u5927\u5c0f\uff0c\u5229\u7528\u5c0f\u7684\u7eb3\u7c73\u6676\u7c92\u63d0\u4f9b\u5f3a\u5316\u4f5c\u7528\uff0c\u8f83\u5927\u7684\u7eb3\u7c73\u6676\u6216\u8d85\u7ec6\u6676\u63d0\u4f9b\u50a8\u5b58\u4f4d\u9519\u7684\u80fd\u529b\uff0c\u5b9e\u73b0\u4e86\u5f3a\u5ea6-\u5851\u97e7\u6027\u7684\u540c\u65f6\u63d0\u9ad8[<\/sup>7]<\/sup>\u3002\u4e0d\u96be\u53d1\u73b0\u201c\u53cc\u5cf0\u7ec4\u7ec7\u201d\u673a\u5236\u5bf9\u4e8e\u5851\u97e7\u6027\u7684\u63d0\u5347\u4ecd\u7136\u4ee5\u5f3a\u5ea6\u7684\u727a\u7272\u4e3a\u4ee3\u4ef7\uff0c\u672c\u8d28\u4e0a\u4ecd\u672a\u6539\u53d8\u5f3a\u5ea6-\u5851\/\u97e7\u6027\u7684\u77db\u76fe\u5173\u7cfb\uff0c\u4e0d\u8fc7\u5176\u8bbe\u8ba1\u601d\u60f3\u6bd4\u8f83\u5de7\u5999\uff0c\u5b9e\u9645\u4e2d\u9700\u8981\u6b63\u786e\u7684\u638c\u63e1\u5f15\u5165\u8f83\u5927\u6676\u7c92\u6570\u91cf\u7684\u201c\u5ea6\u201d\u3002.<\/p>\n

Figure 6 \u201c\u53cc\u5cf0\u7ec4\u7ec7\u201d\u793a\u610f\u56fe[<\/sup>7]<\/sup><\/p>\n

\"\"<\/p>\n

5<\/b><\/strong>.\u97e9\u56fd\u6709\u8272\u6280\u672f\u7814\u7a76\u9662Sang-Heon Kim\u7b49\u4eba<\/b><\/strong><\/p>\n

\u5f53\u91d1\u5c5e\u4e2d\u5b58\u5728\u201c\u7279\u6b8a\u201d\u7684\u7b2c\u4e8c\u76f8\u7c92\u5b50\u65f6\uff0c\u53ef\u4ee5\u6781\u5927\u63d0\u9ad8\u6750\u6599\u7684\u5f3a\u5ea6\uff0c\u4f46\u5982\u679c\u5bf9\u8fd9\u4e9b\u7b2c\u4e8c\u76f8\u7c92\u5b50\u8fdb\u884c\u5408\u7406\u201c\u8c03\u63a7\u201d\uff0c\u4f7f\u5176\u5177\u6709\u7279\u6b8a\u7684\u5c3a\u5bf8\u6216\u8005\u5f62\u8c8c\u65f6\uff0c\u5bf9\u5851\u6027\u7684\u63d0\u9ad8\u4e5f\u5177\u6709\u5f88\u5927\u610f\u4e49\u3002Sang-Heon Kim\u7b49\u4eba\u5728\u9ad8\u542b\u94dd\u4f4e\u5bc6\u5ea6\u94a2\u4e2d\u5f15\u5165\u4e86\u7eb3\u7c73\u7ea7\u5c3a\u5bf8\u7684\u786c\u91d1\u5c5e\u95f4\u5316\u5408\u7269B2\u7c92\u5b50\uff08\u4e00\u79cdFeAl\u578b\u7684\u786c\u8106\u4e2d\u95f4\u5316\u5408\u7269\uff09\uff08\u89c1Figure 7\uff09\uff0c\u53d1\u73b0\u8be5\u7c92\u5b50\u4e0d\u6613\u88ab\u79fb\u52a8\u7684\u4f4d\u9519\u526a\u5207\u3002\u5373\u4f7f\u5728\u5927\u7684\u52a0\u5de5\u786c\u5316\u6761\u4ef6\u4e0b\uff0cB2\u7c92\u5b50\u7684\u6027\u80fd\u975e\u5e38\u5747\u8861\uff0c\u5373\u4f7f\u5728\u8d85\u8fc71GPa\u7684\u5c48\u670d\u5f3a\u5ea6\u4e0b\uff0c\u4ecd\u7136\u5177\u6709\u5f88\u9ad8\u7684\u52a0\u5de5\u786c\u5316\u7387\uff0c\u540c\u65f6\u5177\u6709\u5f88\u9ad8\u7684\u5851\u6027[<\/sup>8]<\/sup>\u3002\u5b9e\u9645\u4e0a\uff0c\u5f53B2\u7c92\u5b50\u8f83\u4e3a\u7c97\u5927\u65f6\uff0c\u662f\u4e0d\u80fd\u591f\u63d0\u5347\u5851\u6027\u7684\uff0c\u53ea\u6709\u628a\u5b83\u51cf\u5c0f\u81f3\u7eb3\u7c73\u5c3a\u5bf8\u7ea7\u522b\uff0c\u5e76\u5206\u5e03\u5728\u6676\u754c\u6216\u518d\u7ed3\u6676\u6676\u7c92\u7684\u8fb9\u7f18\u4e0a\u65f6\uff0c\u624d\u80fd\u591f\u83b7\u5f97\u5f3a\u5851\u6027\u7684\u540c\u65f6\u5927\u5e45\u5ea6\u63d0\u9ad8\u3002<\/p>\n

Figure 7 B2\u7c92\u5b50\u53ca\u5176\u5206\u5e03\u72b6\u6001[<\/sup>8]<\/sup><\/p>\n

\"\"<\/p>\n

\u7efc\u4e0a\u6240\u8ff0\uff1a\u5bf9\u4e8e\u91d1\u5c5e\u6750\u6599\u5f3a\u5851\u6027\u7684\u540c\u65f6\u63d0\u9ad8\uff0c\u7ec6\u5fc3\u5730\u79d1\u7814Friends\u4eec\u662f\u5426\u53d1\u73b0\u4e00\u4e9b\u4e0d\u540c\u5bfb\u5e38\u7684\u89c4\u5f8b\u5462?\u540c\u65f6\u63d0\u9ad8\u5f3a\u5851\u6027\u53ef\u4ee5\u5f52\u7eb3\u4e3a\u4e09\u79cd\u65b9\u6cd5\uff1a\u4e00\u79cd\u662f \u201c\u8d85\u7ea7\u201d\u7b2c\u4e8c\u76f8\u7c92\u5b50\uff08\u5415\u662d\u5e73\u6559\u6388\u4e00\u7ec4\u53d1\u73b0\u7684\u6709\u5e8f\u6c27\u590d\u5408\u4f53\uff0cB2\u7c92\u5b50\uff09\u6216\u8005\u7279\u6b8a\u7ed3\u6784\uff08\u5362\u67ef\u9662\u58eb\u56e2\u961f\u53d1\u73b0\u7684\u4e8c\u7ef4\u7684\u7eb3\u7c73\u5c42\u72b6\u7ed3\u6784\uff09\u7684\u5b58\u5728\u3002\u4e8c\u662f\u57fa\u4e8e\u754c\u9762\u8c03\u63a7\u7684\u5f3a\u97e7\u5316\u673a\u5236\uff0c\u5982\u7eb3\u7c73\u5b6a\u6676\u5171\u683c\u754c\u9762\u7684\u5f15\u5165\u3002\u4e09\u662f\u5229\u7528\u4e00\u4e9b\u5de7\u5999\u7684\u5de5\u827a\u548c\u7ed3\u6784\u7684\u8bbe\u8ba1\uff0c\u5982\u9648\u5149\u56e2\u961fPST TiAl\u5355\u6676\u7684\u5236\u5907\u548c\u201c\u53cc\u5cf0\u7ec4\u7ec7\u201d\u7684\u5f15\u5165\u3002\u4e0d\u5f97\u4e0d\u8bf4\u201c\u8d85\u7ea7\u201d\u7b2c\u4e8c\u76f8\u7c92\u5b50\uff0c\u7279\u6b8a\u7ed3\u6784\u7684\u53d1\u73b0\u4ee5\u53ca\u201c\u5929\u624d\u201d\u5de5\u827a\u548c\u7ed3\u6784\u7684\u8bbe\u8ba1\u90fd\u9700\u8981\u4e00\u5b9a\u7684\u8fd0\u6c14\uff0c\u800c\u673a\u4f1a\u603b\u662f\u7737\u987e\u4e8e\u90a3\u4e9b\u6709\u51c6\u5907\u4e14\u52aa\u529b\u594b\u6597\u7684\u4eba\uff01<\/p>\n

\u53c2\u8003\u6587\u732e\uff1a<\/b><\/strong><\/p>\n

[1] Enhanced strength and ductility in a high-entropy alloy via ordered oxygen complexes\uff0cZhifeng Lei, Xiongjun Liu, Tai-Gang Nieh\u00a0& Zhaoping Lu et al, Vol 464|8 April 2010| doi:10.1038\/nature08929, nature.<\/p>\n

[2] Polysynthetic twinned TiAl single crystals for\u00a0high-temperature applications. Guang Chen, Yingbo Peng, Gong Zheng et al, 20 JUNE 2016 | DOI: 10.1038\/NMAT4677, Nature Materials<\/p>\n

[3] Superplastic Extensibility of Nanocrystalline Copper at Room Temperature.\u00a0<\/i><\/em>L. Lu et al.\u00a0<\/i><\/em>Science 287, 1463 (2000); DOI: 10.1126\/science.287.5457.1463.<\/p>\n

[4] Strengthening Materials by Engineering Coherent Internal Boundaries at the Nanoscale. K. Lu, et al. Science 324, 349 (2009); DOI: 10.1126\/science.1159610.<\/p>\n

[5] Revealing Extraordinary Intrinsic Tensile Plasticity in Gradient Nano-Grained Copper. T. H. Fang, et al. Science 331, 1587 (2011); DOI: 10.1126\/science.1200177.<\/p>\n

[6] Strain-Induced Ultrahard and Ultrastable Nanolaminated Structure in Nickel. X. C. Liu et al. Science 342, 337 (2013); DOI: 10.1126\/science.1242578.<\/p>\n

[7] High tensile ductility in a nanostructured metal. Wang YM, Chen MW, Zhou FH, Ma E. \u00a0Nature 2002;419;912-15.<\/p>\n

[8] Brittle intermetallic compound makes ultrastrong low-density steel with large ductility[J]. S H Kim, H Kim, N J Kim. Nature, 2015, 518(7537):790-784<\/p>\n

\u5f80\u671f\u56de\u987e\uff1a<\/strong><\/p>\n

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\u89c6\u9891\u5e72\u8d27\uff1aSEM\u5728\u91d1\u5c5e\u6750\u6599\u4e2d\u7684\u5e94\u7528<\/a><\/p>\n

\u4ed6\u4eec\u628a\u91d1\u5c5e\u6750\u6599\u53d1\u4e0aScience\u548cNature\u4e86<\/a><\/p>\n

\u770b\u7eaf\u6587\u5b57\u592a\u7d2f\uff1f\u90a3\u6765\u770bPPT\u5427 \u2014\u2014 \u533b\u7528\u91d1\u5c5e\u6750\u6599\u77e5\u591a\u5c11<\/a><\/p>\n

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\u91d1\u5c5e\u6750\u6599\u524d\u6cbf\u7814\u7a76\u6210\u679c\u7cbe\u9009\u3010\u7b2c1\u671f\u3011<\/a><\/p>\n

\u91d1\u5c5e\u6750\u6599\u524d\u6cbf\u7efc\u8ff0\u6210\u679c\u7cbe\u9009\u3010\u7b2c1\u671f\u3011<\/a><\/p>\n

\u91d1\u5c5e\u6750\u6599\u524d\u6cbf\u7814\u7a76\u6210\u679c\u7cbe\u9009\u3010\u7b2c2\u671f\u3011|\u8fc7\u6e21\u91d1\u5c5e<\/a><\/p>\n

\u672c\u6587\u7531\u865a\u8c37\u7eb3\u7269\u4f9b\u7a3f<\/strong>\u3002<\/div>\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: tougao@cailiaoren.com.<\/p>\n

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