{"id":163541,"date":"2019-01-05T06:30:57","date_gmt":"2019-01-04T22:30:57","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=163541"},"modified":"2019-01-04T14:46:54","modified_gmt":"2019-01-04T06:46:54","slug":"acta-materialia%ef%bc%9a%e6%9e%90%e5%87%ba%e5%bc%ba%e5%8c%96%e5%9e%8bfeconicrti0-2%e9%ab%98%e7%86%b5%e5%90%88%e9%87%91%e5%9c%a8%e5%ae%a4%e6%b8%a9%e5%8f%8a%e4%bd%8e%e6%b8%a9%e7%8a%b6%e6%80%81%e4%b8%8b","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=163541","title":{"rendered":"Acta Materialia\uff1a\u6790\u51fa\u5f3a\u5316\u578bFeCoNiCrTi0.2\u9ad8\u71b5\u5408\u91d1\u5728\u5ba4\u6e29\u53ca\u4f4e\u6e29\u72b6\u6001\u4e0b\u7684\u4f18\u5f02\u62c9\u4f38\u6027\u80fd"},"content":{"rendered":"<p>\u3010\u5f15\u8a00\u3011<\/p>\n<p>\u5229\u7528\u4f20\u7edf\u7684\u5408\u91d1\u8bbe\u8ba1\u6982\u5ff5\u5bfb\u627e\u6709\u7528\u6750\u6599\u65f6\uff0c\u4eba\u4eec\u901a\u5e38\u5173\u6ce8\u76f8\u56fe\u7684\u8fb9\u7f18\u533a\u57df\u3002\u8fd1\u5e74\u6765\uff0c\u5177\u6709\u7b49\u539f\u5b50\u6216\u8fd1\u7b49\u539f\u5b50\u6d53\u5ea6\u7684\u5355\u76f8\u9ad8\u71b5\u5408\u91d1\u4f5c\u4e3a\u4e00\u7c7b\u65b0\u578b\u7ed3\u6784\u6750\u6599\uff0c\u8fc5\u901f\u5f15\u8d77\u4e86\u4eba\u4eec\u7684\u5e7f\u6cdb\u5173\u6ce8\uff0c\u7814\u7a76\u4eba\u5458\u5f00\u59cb\u5173\u6ce8\u76f8\u56fe\u7684\u4e2d\u95f4\u533a\u57df\u3002\u4e00\u4e9b\u9762\u5fc3\u7acb\u65b9\u7ed3\u6784\u7684\u5355\u76f8\u9ad8\u71b5\u5408\u91d1\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u6297\u8f90\u5c04\u80fd\u529b\u548c\u51fa\u8272\u7684\u4f4e\u6e29\u673a\u68b0\u6027\u80fd\uff0c\u56e0\u6b64\u5728\u6781\u7aef\u73af\u5883\u4e0b\u7684\u5de5\u7a0b\u5e94\u7528\u4e2d\uff0c\u6709\u7740\u5e7f\u9614\u7684\u5e94\u7528\u524d\u666f\u3002<\/p>\n<p>\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/p>\n<p>\u8fd1\u65e5\uff0c<strong>\u9999\u6e2f\u57ce\u5e02\u5927\u5b66<\/strong>\u7684<strong>KAI Ji-jung (\u958b\u57f7\u4e2d)\u6559\u6388\u3001Y.Tong\u535a\u58eb<\/strong>\u548c<strong>\u65e5\u672c\u4e1c\u5317\u5927\u5b66\u7684Y. 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decoding=\"async\" class=\"aligncenter size-full wp-image-163544\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/3.png\" alt=\"\" width=\"600\" height=\"410\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/3.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/3-300x205.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u56fe4\uff1a\u6bcf\u79cd\u5143\u7d20\u7684\u539f\u5b50\u5206\u5e03\u53ca\u6574\u4f53\u7684\u539f\u5b50\u5206\u5e03\u56fe\uff0cAPT\u6837\u54c1\u662f\u9009\u81ea\u63a5\u8fd1\u6676\u754c\u4e14\u5e26\u6709\u8584\u5c42\u72b6\u504f\u6790\u7269\u7684\u533a\u57df\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-163545\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/4.png\" alt=\"\" width=\"600\" height=\"894\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/4.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/4-201x300.png 201w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u56fe5\uff1a\u7403\u5f62\u504f\u6790\u7269\u5185\u5143\u7d20\u5206\u5e03\u53ca\u5c3a\u5bf8\u5206\u5e03\u60c5\u51b5\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-163546\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/5.png\" alt=\"\" width=\"600\" height=\"441\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/5.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/5-300x221.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" 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http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/11-300x202.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>(a-c)\u771f\u5b9e\u5e94\u53d8\u4f9d\u6b21\u7ea6\u4e3a2.5%\u300110%\u300136%\u7684Ti-\u9ad8\u71b5\u5408\u91d1\u6837\u54c1\u5f62\u53d8\u540e\u4f4d\u9519\u7ed3\u6784\u548c\u5806\u579b\u5c42\u9519\u7684\u660e\u573aTEM\u56fe\u50cf\uff1b<\/p>\n<p>(d)\u56fe(c)\u4e2d\u84dd\u8272\u533a\u57df\u7684HRTEM\u56fe\u50cf\u3002<\/p>\n<p>\u56fe12\uff1a\u4f4e\u6e29(77K)\u5f62\u53d8\u540e\u7684Ti\u9ad8\u71b5\u5408\u91d1\u4e2d\u8584\u5c42\u72b6\u533a\u57df\u7684STEM\u56fe\u50cf(a)\u548c\u76f8\u5e94\u7684TEM-EDX\u5206\u5e03\u56fe(b-f)\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-163553\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/12.png\" alt=\"\" width=\"600\" height=\"604\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/12.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/12-150x150.png 150w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2019\/01\/12-298x300.png 298w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u3010\u5c0f\u7ed3\u3011<\/p>\n<p>\u8be5\u5de5\u4f5c\u5236\u5907\u5f97\u5230\u4e00\u79cdL1<sub>2<\/sub>\u7ed3\u6784\u3001(Ni,Co)<sub>3<\/sub>Ti\u578b\u3001\u6790\u51fa\u5f3a\u5316\u7684FeCoNiCrTi<sub>0.2<\/sub>\u9ad8\u71b5\u5408\u91d1\uff0c\u5e76\u901a\u8fc7X\u5c04\u7ebf\u884d\u5c04\uff0c\u626b\u63cf\u7535\u955c\uff0c\u539f\u5b50\u63a2\u9488\u6280\u672f\u548c\u900f\u5c04\u7535\u955c\u76f8\u7ed3\u5408\u7684\u65b9\u5f0f\u5bf9\u6837\u54c1\u7684\u663e\u5fae\u7ed3\u6784\u8fdb\u884c\u4e86\u8868\u5f81\u3002\u8fdb\u4e00\u6b65\u7528\u900f\u5c04\u7535\u955c\u5bf9\u6837\u54c1\u7684\u5ba4\u6e29(293K)\u548c\u6db2\u6c26\u6e29\u5ea6(77K)\u7684\u62c9\u4f38\u6027\u80fd\u4ee5\u53ca\u76f8\u5e94\u7684\u7f3a\u9677\u7ed3\u6784\u6f14\u5316\u5c55\u5f00\u7814\u7a76\u3002\u7ed9\u4e88\u8be5\u5de5\u4f5c\u7684\u89c2\u5bdf\u53ef\u5f97\u5230\u4ee5\u4e0b\u7ed3\u8bba\uff1a<\/p>\n<p>(a) \u57281073K\u65f6\u65481h\u4ee5\u540e\uff0c\u8584\u5c42\u72b6\u548c\u7403\u72b6\u504f\u6790\u7269\u5206\u522b\u4ee5\u5f02\u8d28\u5f62\u6838\u548c\u5747\u5300\u5f62\u6838\u7684\u65b9\u5f0f\u5728\u6676\u754c\u9644\u8fd1\u548c\u6676\u7c92\u5185\u90e8\u5f62\u6210\u3002\u8fd9\u4e24\u7c7b\u504f\u6790\u7269\u7684\u6210\u5206\u76f8\u540c\uff0c\u4f46\u8584\u5c42\u72b6\u504f\u6790\u7269\u5177\u6709\u957f\u7a0b\u5806\u579b\u6709\u5e8f\u7ed3\u6784(long-period stacking ordered)\uff0c\u598215R\uff0c12R\u548c4H\uff0c\u4e14\u5316\u5b66\u65e0\u5e8f\uff0c\u4f46\u7eb3\u7c73\u9897\u7c92\u662f\u6709\u5e8f\u7684L1<sub>2<\/sub>\u7ed3\u6784\u03b3<sup>\u2019<\/sup>\u76f8\u3002<\/p>\n<p>(b) \u548c\u5355\u76f8\u7684FeCoNiCr\u9ad8\u71b5\u5408\u91d1\u6bd4\u8f83\uff0c\u6790\u51fa\u5f3a\u5316\u578b2\u9ad8\u71b5\u5408\u91d1\u7684\u5c48\u670d\u5f3a\u5ea6\u548c\u6781\u9650\u6297\u62c9\u5f3a\u5ea6\u6709\u4e86\u663e\u8457\u63d0\u9ad8\uff0c\u4f46\u97e7\u6027\u5e76\u6ca1\u6709\u4e0b\u964d\u3002\u548c\u5355\u76f8\u7684FeCoNiCr\u9ad8\u71b5\u5408\u91d1\u7c7b\u4f3c\uff0c\u6790\u51fa\u5f3a\u5316\u7684FeCoNiCrTi<sub>0.2<\/sub>\u9ad8\u71b5\u5408\u91d1\u8868\u73b0\u51fa\u5f88\u5f3a\u7684\u6e29\u5ea6\u4f9d\u8d56\u6027\u3002\u5f53\u6e29\u5ea6\u4ece293K\u4e0b\u964d\u523077K\u65f6\uff0c\u5c48\u670d\u5f3a\u5ea6\u7531700MPa\u589e\u81f3860MPa\uff0c\u6781\u9650\u6297\u62c9\u5f3a\u5ea6\u75311.24GPa\u589e\u81f31.58GPa\uff0c\u97e7\u6027\u63d0\u5347\u503c\u753136% \u589e\u81f346%\u3002<\/p>\n<p>(c) \u5f53\u6e29\u5ea6\u7531293K\u964d\u6e29\u81f377K\uff0c\u5f62\u53d8\u673a\u5236\u7531\u4f4d\u9519\u4e3b\u5bfc\u8f6c\u53d8\u4e3a\u5806\u579b\u5c42\u9519\u63a7\u5236\u6a21\u5f0f\uff0c\u8868\u660e\u968f\u6e29\u5ea6\u4e0b\u964d\u5806\u579b\u5c42\u9519\u80fd\u964d\u4f4e\u3002293K\u65f6\uff0c\u6790\u51fa\u5f3a\u5316\u578bFeCoNiCrTi<sub>0.2<\/sub>\u9ad8\u71b5\u5408\u91d1\u53d1\u751f\u5f62\u53d8\u76f4\u81f3\u65ad\u88c2\u4e3b\u8981\u53d1\u751f\u4e8e\u5e73\u9762\u4f4d\u9519\u6ed1\u79fb\uff0c\u4f34\u968f\u7740\u5c11\u91cf\u5806\u579b\u5c42\u9519\u4ea7\u751f\u300277K\u65f6\uff0c\u591a\u5c42\u5806\u579b\u5c42\u9519\u5f62\u6210\u4e00\u675f\uff0c\u5c42\u72b6\u5806\u579b\u5c42\u9519\u5728\u62c9\u4f38\u5f62\u53d8\u8fc7\u7a0b\u4e2d\u5f62\u6210\uff0c\u5f15\u53d1\u52a8\u529b\u5b66Hall-Petch\u6548\u5e94\u3002<\/p>\n<p>(d) \u4e0d\u540c\u4e8e\u5355\u76f8\u7684FeCoNiCr\u9ad8\u71b5\u5408\u91d1\uff0c77K\u5f62\u53d8\u5e76\u65f6\u6548\u540e\u7684FeCoNiCrTi<sub>0.2<\/sub>\u9ad8\u71b5\u5408\u91d1\u4e2d\uff0c\u03b3<sup>\u2019<\/sup>-\u6790\u51fa\u5f3a\u5316\u533a\u57df\u51e0\u4e4e\u4e0d\u4ea7\u751f\u5b6a\u751f\uff0c\u8868\u660e\u5b6a\u6676\u5f62\u6838\u88ab\u03b3<sup>\u2019<\/sup>\u76f8\u7eb3\u7c73\u9897\u7c92\u963b\u788d\u3002\u7136\u800c\uff0c\u5728\u88ab\u5316\u5b66\u65e0\u5e8f\u7684\u8584\u5c42\u72b6\u504f\u6790\u7269\u5f3a\u5316\u7684\u533a\u57df\u89c2\u5bdf\u5230\u663e\u5fae\u5b6a\u6676(microtwins)\uff0c\u8868\u660e\u03b3<sup>\u2019<\/sup>\u76f8\u7eb3\u7c73\u9897\u7c92\u7684\u5316\u5b66\u6709\u5e8f\u5ea6\u968f\u7740\u5b6a\u6676\u5f62\u6838\u80fd\u5792\u663e\u8457\u589e\u52a0\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u6587\u732e\u94fe\u63a5\uff1a<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S135964541830925X#!\" target=\"_blank\" rel=\"noopener\">Outstanding tensile properties of a precipitation-strengthened FeCoNiCrTi<sub>0.2 <\/sub>high-entropy alloy at room and cryogenic temperatures<\/a> (Acta Mater., 2018, DOI: 10.1016\/j.actamat.2018.11.049)<\/p>\n<p>&nbsp;<\/p>\n<p>\u672c\u6587\u7531\u6750\u6599\u4eba\u91d1\u5c5e\u6750\u6599\u7ec4Isobel\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n<p>\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\u7bb1tougao@cailiaoren.com\u3002<\/p>\n<p>\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u5f15\u8a00\u3011 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