{"id":93116,"date":"2017-07-27T14:00:01","date_gmt":"2017-07-27T06:00:01","guid":{"rendered":"\/\/m.iemloyee.com\/?p=93116"},"modified":"2017-07-26T15:37:23","modified_gmt":"2017-07-26T07:37:23","slug":"acta-mater-%ef%bc%9a%e6%ba%b6%e8%b4%a8ag%e6%8e%ba%e6%9d%82%e5%a2%9e%e5%bc%banb-ag-n%e8%96%84%e8%86%9c%e7%9a%84%e9%9f%a7%e6%80%a7%ef%bc%8c%e9%99%8d%e4%bd%8e%e6%91%a9%e6%93%a6%e7%b3%bb%e6%95%b0","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=93116","title":{"rendered":"Acta Mater.\uff1a\u6eb6\u8d28Ag\u63ba\u6742\u589e\u5f3aNb-Ag-N\u8584\u819c\u7684\u97e7\u6027\uff0c\u964d\u4f4e\u6469\u64e6\u7cfb\u6570"},"content":{"rendered":"

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

\u9ad8\u786c\u5ea6\u7684\u8fc7\u6e21\u91d1\u5c5e\u6c2e\u5316\u7269(TMN)\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u4e2d\uff0c\u4ece\u8010\u78e8\u5668\u5177\uff0c\u5207\u524a\u5de5\u5177\u5230\u6297\u522e\u64e6\u8584\u819c\uff0c\u968f\u5904\u90fd\u53ef\u89c1\u5176\u8eab\u5f71\u3002\u901a\u8fc7\u5728\u786c\u8d28TMN\u4e2d\u5f15\u5165\u8f6f\u8d28\u6da6\u6ed1\u8d35\u91d1\u5c5e\uff08Me\uff09\uff0c\u5982\u5f15\u5165\u6eb6\u8d28Ag\u5f62\u6210TMN\/Ag\u7eb3\u7c73\u590d\u5408\u6750\u6599\uff0c\u53ef\u4ee5\u8fbe\u5230\u81ea\u6da6\u6ed1\u548c\u589e\u5f3aTMN\u8584\u819c\u97e7\u6027\u7684\u6548\u679c\u3002\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u5927\u591a\u6570\u5173\u4e8eTMN\/Ag\u4f53\u7cfb\u7684\u7814\u7a76\u62a5\u9053\u90fd\u805a\u7126\u5728TMN\/Ag\u7eb3\u7c73\u590d\u5408\u8584\u819c\u4e0a\uff0c\u5176\u4e2dAg\u4ee5\u7eb3\u7c73\u56e2\u7c07\u7684\u5f62\u5f0f\u5b58\u5728\u4e8eTMN\u57fa\u4f53\u4e2d\u3002<\/p>\n

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

\u5317\u4eac\u65f6\u95f47\u670815\u65e5\uff0c\u5409\u6797\u5927\u5b66\u957f\u6c5f\u5b66\u8005\u90d1\u4f1f\u6d9b\u6559\u6388<\/strong>\uff0c\u6587\u61cb\u526f\u6559\u6388<\/strong>(\u5171\u540c\u901a\u8baf\u4f5c\u8005)\u5728Acta Materialia<\/strong>\u4e0a\u5728\u7ebf\u53d1\u8868\u4e86\u9898\u76ee\u4e3a\u201cToughness enhancement and tribochemistry of the Nb-Ag-N \ufb01lms actuated by solute Ag<\/strong>\u201d\u7684\u6587\u7ae0\u3002\u672c\u6587\u7684\u521b\u65b0\u70b9\u5728\u4e8e\u5c06\u5c11\u91cf\u7684\u6eb6\u8d28Ag\u539f\u5b50(~1.5 at.%)\u63ba\u6742\u5230NbN\u8584\u819c\u4e2d\uff0c\u5f62\u6210Nb-Ag-N\u56fa\u6eb6\u4f53\u7ed3\u6784\uff0c\u540c\u65f6\u63d0\u9ad8\u97e7\u6027\u548c\u786c\u5ea6\uff0c\u589e\u5f3a\u4e86\u6297\u78e8\u6027\uff0c\u660e\u663e\u5730\u964d\u4f4e\u4e86\u6469\u64e6\u7cfb\u6570(CoF)\u3002\u7814\u7a76\u4eba\u5458\u7ed3\u5408\u5b9e\u9a8c\u548c\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba(DFT)\u7684\u5206\u6790\uff0c\u901a\u8fc7\u63ba\u6742\u6eb6\u8d28Ag\u6765\u7814\u7a76MbN\u8584\u819c\u7684\u97e7\u6027\u548c\u786c\u5ea6\u53d8\u5316\u4ee5\u53ca\u7531\u6b64\u4ea7\u751f\u7684\u6469\u64e6\u5316\u5b66\u3002\u7ed3\u679c\u8868\u660e\u6eb6\u8d28Ag\u5f15\u8d77\u7684\u786c\u5ea6\u7684\u63d0\u9ad8\u662f\u7531\u4e8e\u91d1\u76f8\u7ec4\u7ec7\u7684\u53d8\u5316\u548c\u4f53\u79ef\u6a21\u91cfB\u548cC44<\/sub>\u7684\u589e\u52a0\u3002DFT\u8ba1\u7b97\u548c\u7535\u5b50\u7ed3\u6784\u5206\u6790\u66f4\u80fd\u8868\u660e\uff0cAg\u76845s\uff0c4d\u8f68\u9053\u548cN\u7684p\u7535\u5b50\u4e4b\u95f4\u7684\u6742\u5316\u5f15\u8d77\u4e86B\u548cC44<\/sub>\u7684\u589e\u52a0\uff0c\u9644\u52a0\u7684Ag eg<\/sub>\u72b6\u6001\u6709\u52a9\u4e8e\u589e\u5f3a\u97e7\u6027\u3002\u6b64\u5916\uff0c\u6eb6\u8d28Ag\u901a\u8fc7\u5728\u8868\u9762\u5f62\u6210Ag2<\/sub>O+Nb2<\/sub>O5<\/sub>\u6fc0\u6d3b\u81ea\u6c27\u5316\uff0c\u8fd9\u6709\u5229\u4e8e\u5728\u6ed1\u79fb\u95f4\u5f62\u6210AgNbO3<\/sub>\uff0c\u4ece\u800c\u964d\u4f4e\u4e86CoF(\u5728Ag\u53ea\u67091.5 at.%\u7684\u60c5\u51b5\u4e0b)\u3002\u7814\u7a76\u7ed3\u679c\u8868\u660e\u5c06\u5c11\u91cf\u7684\u6eb6\u8d28Ag\u63ba\u6742\u5165TMN\u4e2d\uff0c\u53ef\u4ee5\u63d0\u9ad8TMN\u8584\u819c\u7684\u7efc\u5408\u6027\u80fd\uff0c\u5176\u4e2d\u5305\u62ec\u6709\u97e7\u6027\u3001\u786c\u5ea6\u3001\u6469\u64e6\u3001\u6297\u78e8\u6027\u7b49\u3002<\/p>\n

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

\u56fe<\/strong>1<\/strong>\u4e0d\u540c<\/strong>Ag<\/strong>\u6d53\u5ea6\u7684<\/strong>Nb-Ag-N<\/strong>\u56fa\u6eb6\u4f53\u8584\u819c\u7684<\/strong>XRD<\/strong>\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

a. Nb-Ag-N\u56fa\u6eb6\u4f53\u8584\u819c\u7684XRD\u56fe\u8c31\uff1b<\/p>\n

b. \u4e0d\u540cAg\/N\u539f\u5b50\u6bd4(R)\u5bf9\u5e94\u7684Nb-Ag-N\u8584\u819c\u6676\u683c\u53c2\u6570\u548c\u6676\u7c92\u5c3a\u5bf8\u62df\u5408\u66f2\u7ebf\u3002<\/p>\n

\u56fe<\/strong>2 <\/strong>\u5728\u63ba\u6742\u8584\u819c\u4e0a<\/strong>R=0.15<\/strong>\u548c<\/strong>R=0.26<\/strong>\u65f6\u7684<\/strong>HR-TEM<\/strong>\u548c<\/strong>SAED<\/strong>\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

a. Nb-Ag-N\u8584\u819c\u7684HRTEM\u56fe\u50cf\u548cSAED\u56fe\u50cf\uff08\u63d2\u56fe\uff09\uff1b<\/p>\n

b. R=0.15\u548cR=0.26\u7684Nb-Ag-N\u8584\u819c\u76f8\u5e94\u7684TEM-EDS\u56fe\u50cf\u8868\u5f81\u3002\u8be5\u56fe\u8868\u660e\u5728R=0.15\u65f6Ag\u539f\u5b50\u53d6\u4ee3\u4e86\u4e9a\u70b9\u9635\u683c\u70b9\u5904\u7684Nb\u539f\u5b50\uff0c\u5728R=0.26\u65f6\u51fa\u73b0\u4e86Ag\u7eb3\u7c73\u56e2\u7c07\u3002<\/p>\n

\u56fe<\/strong>3 Nb-Ag-N<\/strong>\u8584\u819c\u7684\u786c\u5ea6\u5f39\u6027\u548c\u6a21\u91cf\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

a. \u4e0d\u540cR\u503c\u5bf9\u5e94\u7684\u786c\u5ea6\u548c\u5f39\u6027\u6a21\u91cf\u66f2\u7ebf\uff1b<\/p>\n

b. \u4e0d\u540cR\u503c\u5bf9\u5e94\u7684H3<\/sup>\/E2<\/sup>\u548cH\/E\u66f2\u7ebf\u3002<\/p>\n

\u56fe<\/strong>4<\/strong>\u63a2\u7a76\u7531\u6eb6\u8d28<\/strong>Ag<\/strong>\u5f15\u8d77\u7684\u5185\u90e8\u6027\u8d28\u7684\u53d8\u5316\u5bf9\u786c\u5ea6\u548c\u97e7\u6027\u7684\u5f71\u54cd<\/strong><\/p>\n

\"\"<\/p>\n

a. \u5bf9\u4e8e\u540c\u4e3a\u5ca9\u76d0\u77ff\u7684Nb32<\/sub>N32<\/sub>\u548c\u56fa\u6eb6\u4f53\u7684Nb31<\/sub>Ag1<\/sub>N32<\/sub>\uff0c\u4e00\u4e2aAg\u539f\u5b50\u66ff\u4ee3Nb\u540e2*2*2\u7684\u8d85\u6676\u80de\uff1b<\/p>\n

b. NbN\u7ed3\u6784\u548cNb-Ag-N\u56fa\u6eb6\u4f53\u7ed3\u6784\u7684PDOS\u56fe\u3002<\/p>\n

\u56fe<\/strong>5 CoF<\/strong>\u968f<\/strong>R<\/strong>\u7684\u53d8\u5316\u51fd\u6570\u66f2\u7ebf<\/strong><\/p>\n

\"\"<\/p>\n

a. Nb-Ag-N\u8584\u819cCoFvs,\u5468\u671f\u6570\u7684\u51fd\u6570\u66f2\u7ebf\uff1b<\/p>\n

b. \u4e0d\u540cR\u4e0b\u7684Nb-Ag-N\u8584\u819cCoF\u8bc4\u4f30\u503c\u3002<\/p>\n

\u56fe<\/strong>6 Nb-Ag-N<\/strong>\u8584\u819c\u7684\u78e8\u635f\u7387\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

\u4e0d\u540cR\u5bf9\u5e94\u7684Nb-Ag-N\u8584\u819c\u7684\u78e8\u635f\u7387\u66f2\u7ebf\u3002<\/p>\n

\u56fe<\/strong>7 Nb-Ag-N<\/strong>\u8584\u819c\u78e8\u635f\u8868\u9762<\/strong>\u5f62\u8c8c\u53ca\u5143\u7d20\u5206\u5e03\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\u4e0d\u540cR\u503c\u4e0b\uff0cNb-Ag-N\u8584\u819c\u78e8\u635f\u8868\u9762\u7684SEM\u548cSEM-EDS\u8868\u5f81\uff1aa. R=0\uff1bb. R=0.03\uff1bc. R=0.08\uff1bd. R=0.15\uff1be. R=0.26\u3002<\/p>\n

\u56fe<\/strong>8 <\/strong>\u4e0d\u540c<\/strong>R<\/strong>\u4e0b<\/strong>Nb-Ag-N<\/strong>\u8584\u819c\u78e8\u635f\u8868\u9762\u7684\u62c9\u66fc\u5149\u8c31<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>9 <\/strong>\u6eb6\u8d28<\/strong>Ag<\/strong>\u5f71\u54cd\u6469\u64e6\u5316\u5b66\u53ca\u4fc3\u8fdb<\/strong>AgNbO3<\/sub><\/strong>\u7684\u5f62\u6210<\/strong><\/p>\n

\"\"<\/p>\n

a. NbN\u8584\u819c\u548cNb-Ag-N\u8584\u819c\u5728R=0.03\u4e0b\u6807\u51c6\u7684Nb 3d\u53caNb-Ag-N\u8584\u819c\u5728R=0.03,0.15,0.26\u4e0b\u7684Ag 3d\u7684\u6838\u5c42XPS\u56fe\u8c31\uff1b<\/p>\n

b. NbN\u548cNb-Ag-N\u7ed3\u6784\uff08001\uff09\u6676\u9762\u7684ELF\u56fe\uff1b<\/p>\n

c. \u6eb6\u8d28Ag\u5728Nb-Ag-N\u8584\u819c\u8868\u9762\u4e0a\u7684\u78e8\u635f\u673a\u7406\u793a\u610f\u56fe\u3002<\/p>\n

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

\u5728R\u22640.15\u4f4e\u80fd\u73af\u5883\u6761\u4ef6\u4e0b\uff0c\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u5171\u6e85\u5c04Nb\u548cAg\u9776\u6750\u5236\u5f97\u4e86\u56fa\u6eb6\u4f53Ag-Nb-N\u8584\u819c\uff0c\u800c\u5728R=0.26\u6761\u4ef6\u4e0b\uff0cAg\u7eb3\u7c73\u56e2\u7c07\u5f00\u59cb\u4ece\u8fc7\u9971\u548c\u7684Nb-Ag-N\u7c92\u4e2d\u5206\u79bb\u3002\u7ecf\u8fc7\u5b9e\u9a8c\u548cDFT\u5206\u6790\uff0c\u9a8c\u8bc1\u4e86\u6eb6\u8d28Ag\u539f\u5b50\u5728\u63d0\u9ad8\u786c\u5ea6\u548c\u97e7\u6027\uff0c\u964d\u4f4e\u6469\u64e6\uff0c\u589e\u5f3a\u6297\u78e8\u6027\u4e2d\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u30021.5 at.%\u7684\u6eb6\u8d28Ag\u539f\u5b50\u63ba\u6742\u5230NbN\u4e2d\uff0c\u5176\u786c\u5ea6\u53ef\u9ad8\u8fbe28GPa\uff0c\u540c\u65f6\u63d0\u9ad8\u4e86\u8584\u819c\u7684\u97e7\u6027\uff0c\u964d\u4f4e\u4e86\u6469\u64e6\u7cfb\u6570CoF,\u78e8\u635f\u7387\u6700\u5c0f\u4e3a4.1\u00b410-9<\/sup>mm3<\/sup>\/(Nm)\uff0cCoF\u4f4e\u81f30.22\u3002\u6eb6\u8d28Ag\u8bf1\u5bfc\u7684\u786c\u5ea6\u589e\u5f3a\uff0c\u662f\u7531\u4e8e\u6676\u7c92\u53d8\u5c0f\u548c\u660e\u663e\u7684(111)\u7eb9\u7406\u7ed3\u6784\u800c\u5bfc\u81f4\u7684\uff0c\u7814\u7a76\u4eba\u5458\u7ed3\u5408DFT\u8ba1\u7b97\u53d1\u73b0B\u548cC44<\/sub>\u4e5f\u5f97\u5230\u4e86\u589e\u52a0\u3002\u6b64\u5916\uff0cDFT\u548c\u7535\u5b50\u7ed3\u6784\u5206\u6790\u8fdb\u4e00\u6b65\u63ed\u793a\u4e86Ag\u76845s\uff0c4d\u8f68\u9053\u548cN\u7684p\u7535\u5b50\u4e4b\u95f4\u7684\u6742\u5316\u5f15\u8d77\u4e86B\u548cC44<\/sub>\u7684\u589e\u52a0\uff1b\u540c\u65f6\uff0c\u9644\u52a0\u7684Ag eg<\/sub>\u72b6\u6001\u6709\u52a9\u4e8e\u589e\u5f3a\u97e7\u6027\u3002\u6b64\u5916\uff0c\u6eb6\u8d28Ag\u901a\u8fc7\u5728\u8868\u9762\u5f62\u6210Ag2<\/sub>O+Nb2<\/sub>O5<\/sub>\u6fc0\u6d3b\u4e86\u81ea\u6c27\u5316\uff0c\u8fd9\u6709\u5229\u4e8e\u5728\u6ed1\u79fb\u95f4\u5f62\u6210AgNbO3<\/sub>\uff0c\u4e5f\u7531\u6b64\u4f7fCoF\u4ece0.7\u964d\u52300.22(\u5728Ag\u53ea\u67091.5 at.%\u7684\u60c5\u51b5\u4e0b)\u3002\u867d\u7136\u6eb6\u8d28Ag\u8d8a\u591a\uff0c\u5f62\u6210\u7684AgNbO3<\/sub>\u5c31\u8d8a\u591a\uff0c\u4f46\u662f\u4f1a\u51cf\u7f13CoF\u7684\u964d\u4f4e\u901f\u5ea6\uff0c\u800c\u4e14\u7531\u4e8e\u78e8\u635f\u9762\u7684\u6c27\u5316\u4f7f\u5f97\u7ed3\u6784\u66f4\u6613\u53d7\u78e8\u635f\u3002\u5728Ag\u542b\u91cf\u66f4\u9ad8\u65f6(R=0.26)\uff0c\u5f53Ag\u7eb3\u7c73\u56e2\u7c07\u4ece\u8fc7\u9971\u548c\u7684Nb-Ag-N\u7c92\u4e2d\u5206\u79bb\u65f6\uff0c\u78e8\u635f\u9762\u7684\u6c27\u5316\u53cd\u5e94\u88ab\u963b\u6b62\uff0c\u6297\u78e8\u635f\u6027\u80fd\u518d\u6b21\u63d0\u9ad8\u3002\u5c06\u5c11\u91cf\u7684\u6eb6\u8d28Ag\u63ba\u6742\u5165TMN\u4e2d\uff0c\u53ef\u4ee5\u63d0\u9ad8\u5305\u62ec\u97e7\u6027\u3001\u786c\u5ea6\u3001\u6469\u64e6\u3001\u6297\u78e8\u6027\u7b49\u5728\u5185\u7684\u7efc\u5408\u6027\u80fd\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1aToughness enhancement and tribochemistry of the Nb-Ag-N <\/a>\ufb01lms actuated by solute Ag<\/a>(Acta Mater., 2017, DOI: 10.1016\/j.actamat. 2017.07.034)<\/p>\n

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