{"id":116577,"date":"2017-12-15T06:30:17","date_gmt":"2017-12-14T22:30:17","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=116577"},"modified":"2017-12-11T09:30:45","modified_gmt":"2017-12-11T01:30:45","slug":"metall-mater-trans-a%ef%bc%9a%e5%b0%ba%e5%af%b8%e5%92%8c%e6%99%b6%e4%bd%93%e5%8f%96%e5%90%914h-sic%e5%be%ae%e7%ba%b3%e7%b1%b3%e6%9f%b1%e5%8a%9b%e5%ad%a6%e8%a1%8c%e4%b8%ba%e7%9a%84%e5%bd%b1","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=116577","title":{"rendered":"Metall. Mater. Trans. A\uff1a\u5c3a\u5bf8\u548c\u6676\u4f53\u53d6\u54114H-SiC\u5fae\/\u7eb3\u7c73\u67f1\u529b\u5b66\u884c\u4e3a\u7684\u5f71\u54cd"},"content":{"rendered":"

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

\u9676\u74f7\u6750\u6599\u901a\u5e38\u662f\u8106\u6027\u7684\uff0c\u5728\u673a\u68b0\u8f7d\u8377\u8d85\u8fc7\u5176\u5f39\u6027\u6781\u9650\u540e\u4f1a\u906d\u53d7\u707e\u96be\u6027\u65ad\u88c2\u3002\u5df2\u6709\u7814\u7a76\u8868\u660e\uff1a\u8106\u2014\u97e7\u6027\u8f6c\u53d8\uff08BDT\uff09\u53ef\u80fd\u5728\u9676\u74f7\u9ad8\u6e29\u53d8\u5f62\u65f6\u53d1\u751f\uff0c\u4e5f\u53ef\u80fd\u5728\u6837\u54c1\u5ba4\u6e29\u53d8\u5f62\u65f6\uff0c\u53d7\u5230\u9ad8\u7684\u9759\u6c34\u538b\u529b\u65f6\u53d1\u751f\u3002BDT\u7684\u6f5c\u5728\u673a\u5236\u88ab\u8ba4\u4e3a\u662f\u7ed3\u6784\u8f6c\u6362\uff08\u975e\u6676\u5316\u6216\u76f8\u53d8\uff09\u548c\/\u6216\u8005\u4f4d\u9519\u8fd0\u52a8\u3002\u6700\u8fd1\u7684\u5c0f\u5c3a\u5ea6\u529b\u5b66\u7814\u7a76\u8868\u660e\uff1a\u9664\u4e86\u6e29\u5ea6\u548c\u538b\u529b\u4e24\u4e2a\u5f71\u54cd\u56e0\u7d20\u5916\uff0c\u5c06\u6750\u6599\u5916\u90e8\u5c3a\u5bf8\u51cf\u5c0f\u5230\u5fae\u7c73\u6216\u7eb3\u7c73\u7ea7\u522b\uff0c\u4e5f\u53ef\u4ee5\u5b9e\u73b0\u9676\u74f7\u6750\u6599\u7684\u589e\u97e7\u3002\u6b64\u65b9\u9762\u7684\u7814\u7a76\u8868\u660e\uff0c\u5c0f\u4f53\u79ef\u9676\u74f7\u7684\u5851\u6027\u53d8\u5f62\u53d6\u51b3\u4e8e\u8bd5\u6837\u7684\u5c3a\u5bf8\u548c\u5176\u6676\u4f53\u53d6\u5411\uff0c\u5373\u5728\u6ed1\u79fb\u7cfb\u4e0a\u7684\u5206\u5207\u5e94\u529b\u3002\u7136\u800c\uff0c\u6837\u54c1\u5c3a\u5bf8\u53ca\u5176\u6676\u4f53\u53d6\u5411\u662f\u5426\u5bf9\u5176\u529b\u5b66\u884c\u4e3a\u6709\u7efc\u5408\u5f71\u54cd\uff0c\u8fd8\u4e0d\u5f97\u800c\u77e5\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u4e0a\u6d77\u4ea4\u901a\u5927\u5b66\u6750\u6599\u5b66\u9662\u5f20\u837b\u6559\u6388\u548c\u90ed\u5f3a\u7279\u522b\u7814\u7a76\u5458\uff08\u5171\u540c\u901a\u8baf\uff09<\/strong>\u7b49\u56e2\u961f\u5728Metallurgical and Materials Transactions A<\/strong>\u4e0a\u53d1\u8868\u9898\u4e3a\u201cSize and Crystallographic Orientation Effects on the Mechanical Behavior of 4H-SiC Micro-\/nano-pillars<\/strong> \u201d\u7684\u6587\u7ae0\u3002\u7814\u7a76\u4eba\u5458\u5bf9\u76f4\u5f84\u8303\u56f4\u57282~0.25\u5fae\u7c73\u7684\u5355\u66764H-SiC\u5fae\u7c73\/\u7eb3\u7c73\u67f1\u8fdb\u884c\u5355\u8f74\u538b\u7f29\u8bd5\u9a8c\uff0c\u7ed3\u679c\u8868\u660e\uff1a\u5728\u57fa\u9762\u6ed1\u79fb\u7cfb\u4e2d\u96f6\u5206\u5207\u5e94\u529b\u7684\u4e00\u7ec4\u6837\u54c1\u5168\u90e8\u4ee5\u8106\u6027\u65b9\u5f0f\u65ad\u88c2\uff0c\u6ca1\u6709\u663e\u793a\u51fa\u4efb\u4f55\u5851\u6027\u53d8\u5f62\u7684\u8ff9\u8c61\uff0c\u5e76\u4e14\u5b83\u4eec\u7684\u65ad\u88c2\u5f3a\u5ea6\u5177\u6709\u8f83\u5927\u7684\u5206\u6563\u6027\uff0c\u6ca1\u6709\u8868\u73b0\u51fa\u660e\u663e\u7684\u5c3a\u5bf8\u4f9d\u8d56\u6027\u3002\u76f8\u53cd\uff0c\u975e\u96f6\u5206\u5207\u5e94\u529b\u7684\u6837\u54c1\u7ec4\u5177\u6709\u660e\u663e\u7684\u201c\u66f4\u5c0f\u66f4\u5f3a\u201d\u7684\u7279\u6027\uff0c\u5e76\u4e14\u76f4\u5f84\u5c0f\u4e8e0.5\u00b5m\u7684\u5fae\u67f1\u7684\u53d8\u5f62\u8868\u73b0\u51fa\u7531\u4e0d\u8fde\u7eed\u5e94\u53d8\u7206\u53d1\u7ec4\u6210\u7684\u952f\u9f7f\u5f62\u5851\u6027\u6d41\u52a8\u3002\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u5206\u6790\u8868\u660e\uff0c\u8fd9\u4e9b\u73b0\u8c61\u51fa\u73b0\u7684\u539f\u56e0\uff0c\u662f\u57fa\u9762\u4e0a\u7684\u4f4d\u9519\u6ed1\u79fb\u4ee5\u53ca\u5fae\u67f1\u5185\u53ef\u80fd\u5b58\u5728\u7684\u5747\u5300\u4f4d\u9519\u5f62\u6838\u3002<\/p>\n

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

\u56fe1.\u03b80<\/sub><\/strong>\u578b\u5fae\u67f1\u53d8\u5f62\u524d\u540e\u7684SEM<\/strong>\u56fe\uff08<\/strong>\u67f1\u6307\u67f1\u8f74\u5e73\u884c[0001]<\/strong>\u65b9\u5411\uff09<\/strong><\/p>\n

\"\"<\/p>\n

(a),(b),(c)\u5206\u522b\u4e3a\u53d8\u5f62\u524d\u76f4\u5f84\u4e3a2.2\u00b5m,1.0\u00b5m,0.5\u00b5m\u7684\u03b80<\/sub>\u578b\u5fae\u67f1\u3002<\/p>\n

(d)(e)(f)\u5206\u522b\u4e3a\u53d8\u5f62\u540e\u76f4\u5f84\u4e3a2.2\u00b5m,1.0\u00b5m,0.5\u00b5m\u7684\u03b80<\/sub>\u578b\u5fae\u67f1\u3002<\/p>\n

\u56fe2.\u03b80<\/sub><\/strong>\u53ca\u03b845<\/sub><\/strong>\u5fae\u67f1\u7684\u771f\u5e94\u529b\u5e94\u53d8\u66f2\u7ebf\u53ca\u5176\u65ad\u88c2\u5e94\u529b\u4e0e\u76f4\u5f84\u5173\u7cfb\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u6cbf[0001]\u65b9\u5411\u53d6\u5411\u7684\u5355\u66764H-SiC\u67f1\uff08\u201c\u03b80<\/sub>\u5fae\u67f1\u201d\uff09\u7684\u771f\u5e94\u529b – \u771f\u5e94\u53d8\u66f2\u7ebf\u56fe\u3002<\/p>\n

(b) \u03b80<\/sub>\u5fae\u67f1\u7684\u65ad\u88c2\u5e94\u529b\u4e0e\u5176\u76f4\u5f84\u7684\u5173\u7cfb\u3002<\/p>\n

(c) \u76f8\u5bf9\u4e8e[0001]\u65b9\u5411\u53d6\u5411\u4e3a45\u00b0\u76844H-SiC\u5fae\u67f1\uff08\u201c\u03b845<\/sub>\u5fae\u67f1\u201d\uff09\u7684\u771f\u5e94\u529b\u2014\u771f\u5e94\u53d8\u66f2\u7ebf\u56fe\u3002<\/p>\n

(d)\u03b845<\/sub>\u5fae\u67f1\u7684\u65ad\u88c2\u5e94\u529b\u4e0e\u5176\u76f4\u5f84\u7684\u5173\u7cfb\u3002<\/p>\n

\u56fe3.<\/strong>0.5<\/strong>\u00b5m\u548c0.25<\/strong> \u00b5m\u76f4\u5f84\u7684\u03b845<\/sub><\/strong>\u5fae\u67f1\u771f\u5e94\u529b\u5e94\u53d8\u66f2\u7ebf\u53ca\u53d8\u5f62\u524d\u540eSEM<\/strong>\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a)\u76f4\u5f84\u4e3a0.5\u00b5m\u7684\u03b845<\/sub>\u67f1\u7684\u771f\u5e94\u529b\u5e94\u53d8\u56fe\u3002<\/p>\n

(b)\u76f4\u5f84\u4e3a0.25\u00b5m\u7684\u03b845<\/sub>\u67f1\u771f\u5e94\u529b\u5e94\u53d8\u56fe\u3002<\/p>\n

(c)\u76f4\u5f840.5\u00b5m\u7684\u03b845<\/sub>\u67f1\u53d8\u5f62\u524d\u5f62\u8c8c\u3002<\/p>\n

(d)\u76f4\u5f840.5\u00b5m\u7684\u03b845<\/sub>\u67f1\u53d8\u5f62\u540e\u5f62\u8c8c\u3002<\/p>\n

(e)\u76f4\u5f84 0.25\u00b5m\u7684\u03b845<\/sub>\u67f1\u53d8\u5f62\u524d\u5f62\u8c8c\u3002<\/p>\n

(f)\u76f4\u5f840.25\u00b5m\u7684\u03b845<\/sub>\u67f1\u53d8\u5f62\u540e\u5f62\u8c8c\u3002<\/p>\n

(g) \u76f4\u5f840.25\u00b5m\u7684\u03b845<\/sub>\u67f1\u53d8\u5f62\u540e\u7684\u5c40\u90e8\u653e\u5927\u56fe\u3002<\/p>\n

\u56fe4.\u03b845<\/sub><\/strong>\u5fae\u67f1\u660e\u6697\u573a\u900f\u5c04\u7535\u955c\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a)\u5728\u4e24\u4e2a\u5149\u675f\u6761\u4ef6\u4e0b\u4ece[82-103]\u6676\u5e26\u8f74\u548c(-1102)\u884d\u5c04\u77e2\u91cf\u83b7\u5f97\u7684\u76f4\u5f840.5\u00b5m\u7684\u03b845<\/sub>\u5fae\u67f1\u7684\u660e\u573a\u50cf(BF)\u3002<\/p>\n

(b)\u5728\u4e24\u4e2a\u5149\u675f\u6761\u4ef6\u4e0b\u4ece[82-103]\u6676\u5e26\u8f74\u548c(-1102)\u884d\u5c04\u77e2\u91cf\u83b7\u5f97\u7684\u76f4\u5f840.5\u00b5m\u7684\u03b845<\/sub>\u5fae\u67f1\u7684\u6697\u573a\u50cf(DF)\u3002<\/p>\n

(c)\u5728\u4e24\u4e2a\u5149\u675f\u6761\u4ef6\u4e0b\u4ece[40-41]\u6676\u5e26\u8f74\u548c(1-210)\u884d\u5c04\u77e2\u91cf\u83b7\u5f97\u7684\u76f4\u5f840.5\u00b5m\u7684\u03b845<\/sub>\u5fae\u67f1\u6697\u573a\u50cf\u3002<\/p>\n

(f)\u5728\u4e24\u4e2a\u5149\u675f\u6761\u4ef6\u4e0b\u4ece[30-91]\u6676\u5e26\u8f74\u548c(10-1-6)\u884d\u5c04\u77e2\u91cf\u83b7\u5f97\u7684\u76f4\u5f840.25\u00b5m\u7684\u03b845<\/sub>\u5fae\u67f1\u7684\u660e\u573a\u50cf\u3002<\/p>\n

(g)\u5728\u4e24\u4e2a\u5149\u675f\u6761\u4ef6\u4e0b\u4ece[30-91]\u6676\u5e26\u8f74\u548c(10-1-6)\u884d\u5c04\u77e2\u91cf\u83b7\u5f97\u7684\u76f4\u5f840.25\u00b5m\u7684\u03b845<\/sub>\u5fae\u67f1\u7684\u6697\u573a\u50cf\u3002<\/p>\n

(h)\u4ece[30-91]\u6676\u5e26\u8f74\u548c(01-1-3)\u884d\u5c04\u77e2\u91cf\u83b7\u5f97\u7684\u76f4\u5f840.25\u00b5m\u7684\u03b845<\/sub>\u5fae\u67f1\u7684\u6697\u573a\u50cf\u3002<\/p>\n

\u6ce8\uff1aDLP<\/sub>\u548cDA\u5206\u522b\u8868\u793a\u4f4d\u9519\u73af\u548c\u4f4d\u9519\u5217\u3002<\/p>\n

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

\u8be5\u7814\u7a76\u5bf9\u4e0d\u540c\u76f4\u5f84\u548c\u6676\u4f53\u5b66\u53d6\u5411\u7684\u5355\u66764H-SiC\u5fae\/\u7eb3\u7c73\u67f1\u7684\u53d8\u5f62\u884c\u4e3a\u8fdb\u884c\u8868\u5f81\u5206\u6790\u3002\u5355\u8f74\u538b\u7f29\u5b9e\u9a8c\u8868\u660e\uff0c\u5c0f\u5c3a\u5ea6\u9676\u74f7\u5fae\u67f1\u7684\u53d8\u5f62\u8868\u73b0\u51fa\u7531\u79bb\u6563\u5e94\u53d8\u7206\u53d1\u6784\u6210\u7684\u4e0d\u8fde\u7eed\u5851\u6027\u6d41\u52a8\u3002\u5851\u6027\u53d8\u5f62\u67f1\u7684TEM\u7ed3\u679c\u63ed\u793a\u4e86\u8bd5\u6837\u5185\u90e8\u7684\u5747\u5300\u4f4d\u9519\u5f62\u6838\u73b0\u8c61\u548c\u57fa\u9762\u6ed1\u79fb\u73b0\u8c61\u3002\u8fd9\u9879\u5de5\u4f5c\u4e3a\u5c0f\u5c3a\u5bf8\u9676\u74f7\u6750\u6599\u7684\u529b\u5b66\u884c\u4e3a\u63d0\u4f9b\u4e86\u5b9e\u9a8c\u8bc1\u636e\uff0c\u5bf9\u5176\u5f62\u53d8\u673a\u5236\u7684\u7814\u7a76\u6709\u91cd\u8981\u7684\u610f\u4e49\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Size and Crystallographic Orientation Effects on the Mechanical Behavior of 4H-SiC Micro-\/nano-pillars <\/a>(Metall. Mater. Trans. A,2017,DOI: 10.1007\/s11661-017-4426-x)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u65b0\u4eba\u7ec4\u718a\u5bcc\u8c6a\u7f16\u8f91\uff0c\u4e07\u946b\u6d69\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<\/p>\n","protected":false},"excerpt":{"rendered":"

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