{"id":166904,"date":"2019-02-10T06:48:01","date_gmt":"2019-02-09T22:48:01","guid":{"rendered":"\/\/m.iemloyee.com\/?p=166904"},"modified":"2019-02-09T21:53:13","modified_gmt":"2019-02-09T13:53:13","slug":"%e5%8c%97%e8%88%aa%e9%83%ad%e6%9e%97%e5%b2%b3%e6%b0%b8%e6%b5%b7acs-nano-%e5%8f%8c%e7%9b%b8%e8%b6%85%e9%ab%98%e5%bc%ba%e5%ba%a6%e5%bc%b9%e6%80%a7%e9%99%b6%e7%93%b7","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=166904","title":{"rendered":"\u5317\u822a\u90ed\u6797&\u5cb3\u6c38\u6d77ACS Nano : \u53cc\u76f8\u8d85\u9ad8\u5f3a\u5ea6\u5f39\u6027\u9676\u74f7"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u968f\u7740\u822a\u7a7a\u822a\u5929\u9886\u57df\u7684\u5feb\u901f\u53d1\u5c55\uff0c\u5bf9\u4e8e\u65b0\u578b\u822a\u7a7a\u822a\u5929\u6750\u6599\u7684\u8981\u6c42\u8d8a\u6765\u8d8a\u9ad8\u3002\u6c27\u5316\u9506\u4f5c\u4e3a\u4e00\u79cd\u6027\u80fd\u4f18\u826f\u7684\u9676\u74f7\u6750\u6599\uff0c\u5728\u8010\u9ad8\u6e29\u9694\u70ed\u6750\u6599\u3001\u7ed3\u6784\u589e\u5f3a\u6750\u6599\u4ee5\u53ca\u8010\u5316\u5b66\u8150\u8680\u6750\u6599\u7b49\u9886\u57df\u5177\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u6c27\u5316\u9506\u9676\u74f7\u6750\u6599\u867d\u7136\u5177\u6709\u5f88\u9ad8\u7684\u521a\u5ea6\u548c\u975e\u51e1\u7684\u5f3a\u5ea6\uff0c\u4f46\u901a\u5e38\u5177\u6709\u8106\u6027\uff0c\u4e14\u62c9\u4f38\u5f3a\u5ea6\u4e0d\u9ad8\uff0c\u6781\u5927\u9650\u5236\u4e86\u5176\u5728\u822a\u7a7a\u822a\u5929\u7b49\u9886\u57df\u7684\u5e94\u7528\u3002\u5982\u4f55\u5236\u5907\u8d85\u5f3a\u8d85\u97e7\u7684\u9676\u74f7\u6750\u6599\u662f\u4e00\u4e2a\u4e16\u754c\u6027\u7684\u95ee\u9898\uff0c\u4e00\u76f4\u5438\u5f15\u7740\u79d1\u5b66\u5bb6\u7684\u5174\u8da3\u3002\u975e\u6676\u5316\u548c\u5c3a\u5bf8\u9650\u5236\u5e38\u88ab\u7528\u4f5c\u589e\u5f3a\u6750\u6599\u7684\u6709\u6548\u7b56\u7565\u3002 \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u5317\u4eac\u822a\u7a7a\u822a\u5929\u5927\u5b66\u90ed\u6797\u6559\u6388\u56e2\u961f\u7eb3\u7c73\u529b\u5b66\u5c0f\u7ec4\u8d1f\u8d23\u4eba\u5cb3\u6c38\u6d77\u526f\u6559\u6388 (\u5171\u540c\u901a\u8baf\u4f5c\u8005)\u7b49<\/strong>\u4e3a\u4e86\u514b\u670d\u4e0a\u8ff0\u4e24\u79cd\u6548\u5e94\u7684\u9650\u5236\uff0c\u91c7\u7528\u65b0\u578b\u7684\u7ed3\u6784\u8bbe\u8ba1\u4ee5\u53ca\u8d85\u58f0\u8f85\u52a9\u6db2\u76f8\u53cd\u5e94\u6cd5\uff0c\u5728\u975e\u6676\u6c27\u5316\u9506\u9676\u74f7\u57fa\u4f53\u4e2d\u6210\u529f\u5f15\u5165\u8d85\u7ec6\u7eb3\u7c73\u6676\uff0c\u5229\u7528\u975e\u6676\u57fa\u4f53\u6291\u5236\u5185\u90e8\u7eb3\u7c73\u6676\u7684\u6676\u754c\u884c\u4e3a\uff1b\u5229\u7528\u7eb3\u7c73\u6676\u5b9e\u73b0\u4e86\u975e\u6676\u5185\u90e8\u5c3a\u5bf8\u7684\u9650\u5236\uff0c\u6210\u529f\u6291\u5236\u4e86\u526a\u5207\u5e26\u8f6f\u5316\u6548\u5e94\uff0c\u51fa\u8272\u7684\u5fae\u89c2\u7ed3\u6784\u8bbe\u8ba1\u4f7f\u5f97\u8be5\u4e00\u7ef4\u53cc\u76f8\u6c27\u5316\u9506\u9676\u74f7\u7eb3\u7c73\u7ebf(DP-ZrO2<\/sub> NW)\u5b9e\u73b0\u4e86\u5f3a\u5ea6\u3001\u5f39\u6027\u53ca\u97e7\u5ea6\u7684\u540c\u65f6\u63d0\u5347\u3002\u7814\u7a76\u6210\u679c\uff0c\u5728ACS Nano<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cDual-Phase Super-Strong and Elastic Ceramic<\/strong>\u201d\u7684\u7814\u7a76\u8bba\u6587\u3002\u539f\u4f4d\u62c9\u4f38\u8bd5\u9a8c\u8868\u660e\uff0c\u4e0a\u8ff0DP-ZrO2<\/sub> \u7eb3\u7c73\u7ebf\u7684\u5f39\u6027\u5e94\u53d8\u63a5\u8fd1~7%\uff0c\u6781\u9650\u5f3a\u5ea6\u4e3a3.52 GPa\uff0c\u5e76\u5177\u6709~151 MJ\u00b7m-3<\/sup>\u7684\u9ad8\u97e7\u6027\uff0c\u4f7f\u5f97\u8be5\u539f\u4f4d\u81ea\u751f\u957fDP-ZrO2<\/sub> \u590d\u5408\u7eb3\u7c73\u7ebf\u6210\u4e3a\u76ee\u524d\u6700\u5f3a\u3001\u6700\u97e7\u7684\u6c27\u5316\u9506\u9676\u74f7\u6750\u6599\u3002\u8be5\u53d1\u73b0\u63d0\u4f9b\u4e86\u4e00\u79cd\u53ef\u6709\u6548\u6539\u5584\u9676\u74f7\u6750\u6599\u673a\u68b0\u6027\u80fd\u7684\u53ef\u63a7\u5236\u5907\u65b9\u6cd5\uff0c\u53ef\u4f5c\u4e3a\u4e00\u79cd\u666e\u9002\u65b9\u6cd5\u63a8\u5e7f\u5230\u5176\u4ed6\u6750\u6599\u4f53\u7cfb\u4e2d\u3002<\/p>\n \u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong> a) DP-ZrO2<\/sub> NWs\u7684\u4f4e\u500dSEM\u56fe\u50cf\uff1b \u56fe2 \u539f\u4f4dSEM\u62c9\u4f38\u8bd5\u9a8c\u5b9e\u9a8c<\/strong><\/p>\n a) \u5b9e\u9a8c\u6240\u91c7\u7528\u7684\u539f\u4f4d\u62c9\u4f38\u88c5\u7f6e\u4f4e\u500dSEM\u56fe\u50cf\uff1b \u56fe3 \u4e09\u79cd\u5178\u578b\u7684ZrO2<\/sub> NW\u7684\u65ad\u88c2\u672b\u7aef\u548c\u76f8\u5e94\u7684\u65ad\u88c2\u673a\u5236\u793a\u610f\u56fe<\/strong><\/p>\n a,b) \u6676\u4f53ZrO2<\/sub> \u7eb3\u7c73\u7ebf\u8106\u6027\u65ad\u88c2\u6a21\u5f0f\uff1b \u56fe4 \u4e0d\u540cDP-ZrO2<\/sub> NWs\u5f3a\u5ea6\u7684\u5c3a\u5bf8\u6548\u5e94\u548c\u7ed3\u6676\u5ea6\u6548\u5e94<\/strong><\/p>\n a) \u5177\u6709\u4e0d\u540c\u6676\u5c3a\u5bf8\u548c\u7ed3\u6676\u5ea6\u7684ZrO2<\/sub> NW\u7684\u5e94\u529b-\u5e94\u53d8\u66f2\u7ebf\uff1b \u56fe5 \u76f8\u5173\u6750\u6599\u529b\u5b66\u6027\u80fd\u6c47\u603b\u548c\u6bd4\u8f83<\/strong><\/p>\n a) \u7eb3\u7c73\u57fa\u548c\u5fae\u7c73\u57fa\u6750\u6599\u7684\u62c9\u4f38\u5f3a\u5ea6\u548c\u97e7\u5ea6\u7684\u6bd4\u8f83\uff1b \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u91c7\u7528\u5316\u5b66\u5408\u6210\u5e76\u7ed3\u5408\u7cbe\u51c6\u7684\u70ed\u5904\u7406\u5de5\u827a\uff0c\u6210\u529f\u5236\u5907\u4e86\u4e09\u79cdZrO2<\/sub>\u7eb3\u7c73\u7ebf(\u975e\u6676\u3001\u53cc\u76f8\u548c\u6676\u4f53\u6c27\u5316\u9506\u7eb3\u7c73\u7ebf)\u3002SEM\u4e2d\u7684\u539f\u4f4d\u62c9\u4f38\u8bd5\u9a8c\u8868\u660e\uff0c\u901a\u8fc7\u65e0\u5b9a\u5f62\u548c\u7eb3\u7c73\u6676\u7ed3\u6784\u7684\u53ef\u63a7\u7ec4\u5408\u6210\u529f\u5730\u6291\u5236\u4e86\u526a\u5207\u5e26\u8f6f\u5316\u6548\u5e94\u548c\u53cdHall-Petch\u6548\u5e94\uff0c\u5728400\u2103\u4e0b\u5904\u7406\u7684DP-ZrO2<\/sub> NW\u5177\u6709\u6700\u4f18\u5f02\u7684\u673a\u68b0\u6027\u80fd\u3002\u8be5\u53cc\u76f8ZrO2<\/sub> \u7eb3\u7c73\u7ebf\u7684\u6781\u9650\u5f3a\u5ea6\u8fbe\u52303.52 GPa\uff0c\u6700\u9ad8\u5f39\u6027\u5e94\u53d8\u6781\u9650\u63a5\u8fd1~7 %\uff0c\u97e7\u5ea6\u8fbe\u5230~151 MJ\u00b7m-3<\/sup>\uff0c\u4f7f\u5176\u6210\u4e3a\u76ee\u524d\u6700\u5f3a\u3001\u6700\u97e7\u7684\u6c27\u5316\u9506\u9676\u74f7\u6750\u6599\uff0c\u540c\u65f6\u8fd8\u5177\u6709\u8f83\u4f4e\u7684\u6a21\u91cf(34-43 GPa)\u3002\u867d\u7136\u8be5\u53cc\u76f8\u7ed3\u6784\u6750\u6599\u662f\u5728\u4e00\u7ef4\u7eb3\u7c73\u6750\u6599\u4e2d\u5b9e\u73b0\uff0c\u4f46\u8be5\u7ed3\u6784\u8bbe\u8ba1\u65b9\u6848\u662f\u4e00\u79cd\u6709\u6548\u7684\u6750\u6599\u589e\u5f3a\u7b56\u7565\uff0c\u53ef\u5e94\u7528\u4e8e\u5176\u4ed6\u8106\u6027\u9676\u74f7\u6750\u6599\u4e2d\u5e76\u62d3\u5bbd\u5176\u5e94\u7528\u8303\u56f4\u3002<\/p>\n
\n \u5bf9\u4e8e\u975e\u6676\u6750\u6599\u800c\u8a00\uff0c\u7531\u4e8e\u7f3a\u4e4f\u4f4d\u9519\u6ed1\u79fb\u7684\u5916\u90e8\u73af\u5883\uff0c\u5176\u53d8\u5f62\u673a\u5236\u4e3b\u8981\u4ee5\u526a\u5207\u5e26\u4e3a\u4e3b\uff0c\u4f46\u662f\uff0c\u526a\u5207\u5e26\u8f6f\u5316\u6548\u5e94\u4e5f\u9650\u5236\u4e86\u5176\u529b\u5b66\u6027\u80fd\u7684\u8fdb\u4e00\u6b65\u63d0\u5347\uff1b\u800c\u5bf9\u4e8e\u6676\u4f53\u6750\u6599\u800c\u8a00\uff0c\u5f53\u6750\u6599\u7684\u5c3a\u5bf8\u4e0b\u964d\u5230\u67d0\u4e00\u4e34\u754c\u5c3a\u5bf8\u65f6\uff0c\u53cdHall-Petch\u6548\u5e94\u5f00\u59cb\u8d77\u4f5c\u7528\uff0c\u4f20\u7edf\u7684\u4f4d\u9519\u884c\u4e3a\u88ab\u6676\u754c\u884c\u4e3a\u6240\u53d6\u4ee3\uff0c \u6750\u6599\u7684\u5f3a\u5ea6\u5c06\u4e0d\u518d\u968f\u7740\u6676\u7c92\u5c3a\u5bf8\u7684\u51cf\u5c0f\u800c\u5f97\u5230\u8fdb\u4e00\u6b65\u7684\u63d0\u5347\u3002 \u5982\u4f55\u901a\u8fc7\u5fae\u89c2\u7ed3\u6784\u8bbe\u8ba1\uff0c\u4f7f\u6750\u6599\u80fd\u591f\u540c\u65f6\u514b\u670d\u4e0a\u8ff0\u4e24\u79cd\u6548\u5e94\uff0c\u83b7\u5f97\u6027\u80fd\u66f4\u4e3a\u4f18\u5f02\u7684\u65b0\u578b\u9676\u74f7\u6750\u6599\u5c06\u5bf9\u9676\u74f7\u884c\u4e1a\u4ea7\u751f\u975e\u5e38\u91cd\u8981\u7684\u501f\u9274\u610f\u4e49\u3002<\/p>\n
\n \u56fe1 \u53cc\u76f8\u6c27\u5316\u9506\u9676\u74f7\u7eb3\u7c73\u7ebf\u7684\u8868\u5f81<\/strong><\/p>\n<\/p>\n
\n b) DP-ZrO2<\/sub>\u7684XRD\u56fe\u8c31\uff1b
\n c) \u5355\u6839DP-ZrO2<\/sub> NW\u7684EDS\u5143\u7d20\u5206\u5e03\uff0c\u8868\u660e\u5728\u7eb3\u7c73\u7ebf\u5185\u90e8Zr\u548cO\u5143\u7d20\u5448\u5747\u5300\u5206\u5e03\uff1b
\n d) \u4eceDP-ZrO2<\/sub> NW\u7684\u6a2a\u622a\u9762\u6837\u54c1\u4e2d\u83b7\u53d6\u7684HRTEM\u56fe\u50cf\uff0c\u5185\u63d2\u56fe\u4e3a\u7ea2\u8272\u865a\u7ebf\u6846\u5bf9\u5e94\u7684\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362\u56fe\u50cf\u3002<\/p>\n<\/p>\n
\n b) \u56fea\u4e2d\u9ec4\u8272\u533a\u57df\u7684\u9ad8\u500dSEM\u56fe\u50cf\uff1b
\n c) \u975e\u6676\u3001\u53cc\u76f8\u548c\u6676\u4f53\u6c27\u5316\u9506\u7eb3\u7c73\u7ebf\u7684\u5355\u8f74\u62c9\u4f38\u5e94\u529b-\u5e94\u53d8\u66f2\u7ebf\uff1b
\n d) \u76f4\u5f84\u4e3a~380 nm\u7684\u5355\u6839DP-ZrO2<\/sub> \u7eb3\u7c73\u7ebf\u7684\u62c9\u4f38\u8fc7\u7a0b\u622a\u56fe\u3002<\/p>\n<\/p>\n
\n c,d) \u975e\u6676ZrO2<\/sub> \u7eb3\u7c73\u7ebf\u5047\u8bbe\u526a\u5207\u5e26\u6ed1\u52a8\u6a21\u5f0f\uff1b
\n e,f) \u53cc\u6676ZrO2<\/sub> \u7eb3\u7c73\u7ebf\u5047\u8bbe\u5fae\u526a\u5207\u5e26\u6ed1\u52a8\u548c\u80da\u80ce\u526a\u5207\u5e26\u751f\u6210\u6a21\u5f0f\u3002<\/p>\n<\/p>\n
\n b) DP-ZrO2<\/sub> NWs\u7684\u6781\u9650\u5f3a\u5ea6\u548c\u7ed3\u6676\u5ea6\u968f\u5c3a\u5bf8\u548c\u7ed3\u6676\u5ea6\u7684\u53d8\u5316\u8d8b\u52bf\u56fe\u3002<\/p>\n<\/p>\n
\n b) \u8be5\u5de5\u4f5c\u4e2d\u7684\u6750\u6599\u548c\u5176\u4ed6\u4f20\u7edf\u6750\u6599\u4e4b\u95f4\u7684\u5f3a\u5ea6\u548c\u5bc6\u5ea6\u6bd4\u8f83\u3002<\/p>\n