{"id":102007,"date":"2017-09-20T06:30:12","date_gmt":"2017-09-19T22:30:12","guid":{"rendered":"\/\/m.iemloyee.com\/?p=102007"},"modified":"2017-09-17T17:10:18","modified_gmt":"2017-09-17T09:10:18","slug":"%e7%87%95%e5%b1%b1%e5%a4%a7%e5%ad%a6nano-lett-%e5%8f%8c%e9%87%8d%e5%8e%8b%e7%bc%a9%e7%ba%b3%e7%b1%b3%e5%ad%aa%e6%99%b6%e6%9e%84%e7%ad%91%e9%ab%98%e5%bc%ba%e5%ba%a6%e9%ab%98%e5%bb%b6%e5%b1%95","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=102007","title":{"rendered":"\u71d5\u5c71\u5927\u5b66Nano. Lett. : \u53cc\u91cd\u538b\u7f29\u7eb3\u7c73\u5b6a\u6676\u6784\u7b51\u9ad8\u5f3a\u5ea6\u9ad8\u5ef6\u5c55\u6027\u9541\u5408\u91d1\uff01"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u9541\u5408\u91d1\u7531\u4e8e\u5176\u8d28\u91cf\u5c0f\uff0c\u6bd4\u5f3a\u5ea6\u9ad8\uff0c\u53ef\u94f8\u6027\u7b49\u7279\u6027\u53d7\u5230\u4e86\u5927\u91cf\u7684\u5173\u6ce8\u3002\u7136\u800c\uff0c\u4e24\u4e2a\u81f4\u547d\u7684\u95ee\u9898\u9650\u5236\u4e86\u5176\u53d1\u5c55\u2014\u2014\u5e38\u6e29\u4e0b\u76f8\u5bf9\u5f3a\u5ea6\u4f4e\u548c\u51b7\u52a0\u5de5\u6027\u5dee\u3002\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u7531\u4e8e\u5b6a\u6676\u754c\u9762\u7684\u4e0d\u7a33\u5b9a\u6027\u548c\u5b6a\u6676\u7aef\u90e8\u7684\u5e94\u529b\u96c6\u4e2d\u4f5c\u7528\uff0c\u4eba\u4eec\u8ba4\u4e3a\u8981\u5f97\u5230\u517c\u987e\u5f3a\u5ea6\u4e0e\u5ef6\u5c55\u6027\u7684\u9541\u5408\u91d1\u662f\u51e0\u4e4e\u4e0d\u53ef\u80fd\u7684\u3002\u7136\u800c\uff0c\u71d5\u5c71\u5927\u5b66\u7684\u5f6d\u79cb\u660e\u8bfe\u9898\u7ec4\u5374\u8bbe\u8ba1\u51fa\u4e86\u4e00\u79cd\u4ee5{101\u03051}\u548c{101\u03051}\u4e3a\u4e3b\u7684\u53cc\u91cd\u538b\u7f29\u5b6a\u6676\uff0c\u5f97\u5230\u4e86\u4e00\u79cd\u65e2\u6709\u9ad8\u5f3a\u5ea6\u53c8\u6709\u9ad8\u5ef6\u5c55\u6027\u7684\u9541-\u9502\u5408\u91d1\uff0c\u5927\u5927\u62d3\u5c55\u4e86\u5176\u5e94\u7528\u8303\u56f4\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u71d5\u5c71\u5927\u5b66<\/strong>\u7684\u5f6d\u79cb\u660e\u6559\u6388<\/strong>\u8bfe\u9898\u7ec4\u91c7\u7528\u7b80\u5355\u7684\u4e00\u6b65\u8d85\u9ad8\u538b\u6cd5\uff0c\u5408\u6210\u4e86\u4e00\u79cd\u68af\u5ea6\u5206\u5c42\u4e14\u5305\u542b\u8f83\u597d\u7684\u53cc\u91cd\u538b\u7f29\u7eb3\u7c73\u5b6a\u6676\u7ed3\u6784\u7684\u9541-\u9502\u5408\u91d1\u6750\u6599\uff088 wt% Li\uff09\u3002\u91c7\u7528\u6676\u7c92\u7ec6\u5316\u548c\u6c89\u79ef\u589e\u5f3a\u6d4b\u7b56\u7565\u5f97\u5230\u7684\u53cc\u91cd\u538b\u7f29\u7eb3\u7c73\u5b6a\u6676\u7ed3\u6784\u4e0d\u4ec5\u514b\u670d\u4e86\u5b6a\u6676\u754c\u7684\u589e\u539a\uff0c\u8fd8\u6291\u5236\u4e86\u4f4d\u9519\u5728\u5b6a\u6676\u8fb9\u7f18\u7684\u6ed1\u79fb\u3002\u6b64\u9541-\u9502\u5408\u91d1\u5728\u4e0d\u660e\u663e\u635f\u5931\u5ef6\u5c55\u6027\u7684\u524d\u63d0\u4e0b\uff0c\u5927\u5927\u63d0\u9ad8\u4e86\u5176\u5f3a\u5ea6\uff0c\u5c06\u4f1a\u62d3\u5c55\u9541\u5408\u91d1\u5e94\u7528\u9886\u57df\u548c\u63a8\u52a8\u9541\u5408\u91d1\u5de5\u4e1a\u7684\u53d1\u5c55\u3002\u8be5\u6210\u679c\u53d1\u8868\u4e8eNano Letters<\/strong>: \u201cAchieving High Strength and Ductility in Magnesium Alloys via Densely Hierarchical Double Contraction Nanotwins<\/strong>\u201d.<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u90e8\u5206\u540d\u8bcd\u8bf4\u660e\uff08\u4e0b\u540c\uff09\uff1a<\/p>\n Mg-8Li\u4e3a\u9502\u7684\u8d28\u91cf\u5206\u6570\u4e3a8%\u7684\u9541\u5408\u91d1\uff0c6 GPa\u22121000\u4e3a6GPa\u538b\u529b\u4e0b1000\u2103\u7145\u70e7\uff0cTTWs\u4e3a\u62c9\u4f38\u5b6a\u6676\uff0cCTWs\u4e3a\u538b\u7f29\u5b6a\u6676\uff0cDTWs\u4e3a\u53cc\u91cd\u5b6a\u6676\uff0cDCTWs\u4e3a\u53cc\u91cd\u538b\u7f29\u5b6a\u6676\uff0chpc\u4e3a\u9541\u5408\u91d1\u7684\u5bc6\u6392\u516d\u65b9\u6676\u4f53\u7ed3\u6784\uff0cNTW\u4e3a\u7eb3\u7c73\u5b6a\u6676\u3002<\/p>\n \u56fe1\uff1aMg-8Li\u7684\u673a\u68b0\u6027\u80fd<\/strong><\/p>\n \u4e0d\u540c\u6761\u4ef6\u4e0b\u5236\u5907\u7684Mg-8Li\u5408\u91d1<\/p>\n \uff08a<\/strong>\uff09\u663e\u5fae\u786c\u5ea6\u66f2\u7ebf\uff1b<\/p>\n \uff08b<\/strong>\uff09\u4e0d\u540c\u538b\u529b\u4e0b\u6837\u54c1\u7684\u5e94\u529b\u62c9\u4f38\u66f2\u7ebf\uff1b<\/p>\n \uff08c<\/strong>\uff09\u901a\u8fc7\u4e0d\u540c\u7684\u65b9\u6cd5\u6280\u672f\uff08\u5ef6\u5c55\u6cd5\uff0c\u6324\u51fa\u6cd5\uff0c\u7b49\u901a\u9053\u8f6c\u89d2\u6324\u538b\u6280\u672f\uff0c\u8001\u5316\uff09\u5236\u5907\u7684Mg-Li\u5408\u91d1\u548cMg-Li-X\u5408\u91d1\uff08X\u4e3a\u5408\u91d1\u5143\u7d20\uff09\u7684\u5c48\u670d\u5f3a\u5ea6\u548c\u65ad\u88c2\u4f38\u957f\u7387\uff1b<\/p>\n \uff08d<\/strong>\uff09M-8Li\u4e0e\u5546\u4e1a\u5316\u9541\u5408\u91d1\u6bd4\u5c48\u670d\u5f3a\u5ea6\u5bf9\u6bd4\u3002<\/p>\n \u56fe2\uff1a6 GPa\u22121000 Mg\u22128Li\u7684\u5fae\u89c2\u7ed3\u6784<\/strong><\/p>\n \uff08a<\/strong>\uff09\u660e\u573a\u900f\u5c04\u7535\u955c\u56fe\uff1b<\/p>\n \uff08b<\/strong>\uff09\u5c0f\u89d2\u5ea6\u6676\u754c\u9009\u533a\u7535\u5b50\u884d\u5c04\u82b1\u6837\uff1b<\/p>\n \uff08c<\/strong>\uff09\u5206\u5c42{101\u03051}\u2212{101\u03051}DCTWs\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n \uff08d<\/strong>\uff09{101\u03050} NTWs\u7684\u653e\u5927\u56fe\uff0c\u5185\u90e8\u7684\u56fe\u4e3a{101\u03050} NTWs\u7684\u539a\u5ea6\u5206\u5e03\uff1b<\/p>\n \uff08e<\/strong>\uff09\u6cbf\u7740[21\u03051\u03050]\u65b9\u5411\u7684NTW\u754c\u9762\u7684\u9009\u533a\u7535\u5b50\u884d\u5c04\u82b1\u6837\uff1b<\/p>\n \uff08f<\/strong>\uff09\u6cbf\u7740[12\u030513\u0305]\u65b9\u5411\u7684NTW\u754c\u9762\u7684\u9009\u533a\u7535\u5b50\u884d\u5c04\u82b1\u6837\u3002<\/p>\n \u56fe3\uff1a{101\u03051}\u2212{101\u03051} DCTWs\u7684\u5fae\u89c2\u7ed3\u6784<\/strong><\/p>\n \uff08a<\/strong>\uff09\u57286 GPa\u22121000 Mg\u22128Li\u5408\u91d1\u5206\u5c42{101\u03051}\u2212{101\u03051} DCTWs \u7684\u660e\u573a\u900f\u5c04\u7535\u955c\u56fe\uff1b<\/p>\n \uff08b<\/strong>\uff09\u5728\u6a21\u5757a\u4e2d\u7684{101\u03051}\u2212{101\u03051} DCTWs\u7684\u5c40\u90e8\u9ad8\u5206\u8fa8\u900f\u5c04\u7535\u955c\u56fe\uff0c\u9ec4\u8272\u7ebf\u4e3aMTW \u754c\u9762\u7684\u8fb9\u7f18\uff0cMTW\u754c\u9762\u4e3a\u767d\u8272\u865a\u7ebf\uff1b<\/p>\n \uff08c<\/strong>\uff09\u53cc\u91cd\u5b6a\u6676\u8fc7\u7a0bc\u8f74\u65b9\u5411\u7684\u4e24\u79cd\u53ef\u80fd\u65cb\u8f6c\u65b9\u5f0f\u7684\u793a\u610f\u56fe\u3002<\/p>\n \u56fe4\uff1aDCTW\u8fb9\u754c\u4e2d\u7eb3\u7c73\u7ea7\u7c92\u5b50\u7684\u5206\u79bb<\/strong><\/p>\n \uff08a<\/strong>\uff09\u6cbf[12\u030513\u0305]\u65b9\u5411\u89c2\u5bdf6 GPa\u22121000 Mg\u22128Li\u5408\u91d1\u4e2dDCTW\u7ed3\u6784\u7684\u73af\u5f62\u6697\u573a\u56fe\uff1b<\/p>\n \uff08b<\/strong>\uff09\u5c40\u90e8\u9ad8\u5206\u8fa8\u56fe\uff1b<\/p>\n \uff08c<\/strong>\uff09\u4e0d\u540c\u7c92\u5b50\u7684\u7535\u5b50\u80fd\u91cf\u635f\u5931\u8c31\u7684maps\uff1b<\/p>\n \uff08d<\/strong>\uff09\u7528\u968f\u673a30\u4e2a\u7c92\u5b50\u8ba1\u7b97\u4e86\u9ed1\u8272\u7c92\u5b50\u7684\u7a7a\u95f4\u5206\u5e03\u56fe\u3002<\/p>\n \u56fe5\uff1a DCTWs\u8fb9\u754c\u9489\u624e\u5f3a\u5316<\/strong><\/p>\n \uff08a<\/strong>\uff09\u5171\u683c\u7eb3\u7c73\u7ea7\u5bccLi\u7684hcp\u76f8\uff1b<\/p>\n \uff08b<\/strong>\uff09\u6cbf\u7740MTWs\u8fb9\u754c\u5171\u683c\u751f\u957f\u7684\u5bccLi\u7684hcp\u76f8\uff1b<\/p>\n \uff08c<\/strong>\uff09\u5bccLi\u7684hcp\u76f8\u5728\u8fde\u63a5\u533a\u57df\u7684\u5206\u79bb\u3002<\/p>\n \u56fe6\uff1a\u5f3a\u5316\u673a\u7406\u793a\u610f\u56fe<\/strong><\/p>\n \uff08a<\/strong>\uff09\u901a\u8fc7\u5728\u5206\u5c42DCTW\u8fb9\u754c\u963b\u6b62\u4f4d\u9519\u79fb\u52a8\u6765\u589e\u5f3a\u7684\u4e24\u79cd\u53ef\u80fd\u8fc7\u7a0b\uff0c\uff08i\uff09\u90e8\u5206\u4f4d\u9519\u4ece\u6676\u754c\u7a7f\u8fc7\u5230\u5176\u4ed6\u6676\u754c\u6216\u8005\u5b6a\u6676\u754c\uff0c\uff08ii\uff09\u90e8\u5206\u4f4d\u9519\u4ece\u5b6a\u6676\u754c\u7a7f\u5230\u5176\u4ed6\u5b6a\u6676\u754c\u6216\u8005\u6676\u754c\uff1b<\/p>\n \uff08b<\/strong>\uff09\u5728\u5206\u5c42DCTW\u8fb9\u754c-\u5b6a\u6676\u754c\u9762\u7684\u79fb\u52a8\u548c\u53bb\u5b6a\u6676\u5316\u5de5\u7a0b\u4e2d\u963b\u6b62\u4e24\u79cd\u53ef\u80fd\u7684\u8f6f\u5316\u8fc7\u7a0b\uff0c\uff08i\uff09\u5b6a\u6676\u754c\u79fb\u52a8\u805a\u96c6\u5bfc\u81f4\u589e\u539a\uff0c\uff08ii\uff09\u90e8\u5206\u4f4d\u9519\u5e73\u884c\u7a7f\u8fc7\u5230\u4e8c\u6b21\u5b6a\u6676\u754c\uff0c\u5bfc\u81f4\u4e8c\u6b21\u5b6a\u6676\u7684\u53bb\u5b6a\u6676\u5316\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u8be5\u7814\u7a76\u901a\u8fc7\u6676\u7c92\u7ec6\u5316\u548c\u6c89\u79ef\u589e\u5f3a\u7684\u65b9\u6cd5\u6210\u529f\u5730\u5f62\u6210\u4e86\u4e00\u79cd\u5806\u780c\u7ed3\u6784\u7684\u5b6a\u6676\u3002\u8be5\u7ed3\u6784\u53ef\u4ee5\u6709\u6548\u5730\u6291\u5236\u4f4d\u9519\u7684\u8fd0\u52a8\uff0c\u4ece\u800c\u5f97\u5230\u4e86\u4e00\u79cd\u5177\u6709\u9ad8\u5f3a\u5ea6\u548c\u9ad8\u5ef6\u5c55\u6027\u7684\u9541\u5408\u91d1\u6750\u6599\u3002\u8fd9\u79cd\u65b0\u578b\u7684hcp-\u578b\u5bcc\u542bLi\u76f8\u7684\u6750\u6599\uff0c\u4e0d\u4ec5\u514b\u670d\u4e86\u5b6a\u6676\u754c\u9762\u7684\u589e\u539a\u8fc7\u7a0b\uff0c\u800c\u4e14\u6291\u5236\u4e86\u4f4d\u9519\u6cbf\u5b6a\u6676\u754c\u7684\u6ed1\u79fb\uff0c\u6253\u7834\u4e86\u4f20\u7edf\u7406\u8bba\u5f3a\u5ea6-\u5ef6\u5c55\u6027\u76f8\u4e92\u5236\u7ea6\u7684\u77db\u76fe\u3002\u6b64\u7814\u7a76\u7ed3\u8bba\uff0c\u4f1a\u5927\u5927\u62d3\u5c55\u9541\u5408\u91d1\u5e94\u7528\u9886\u57df\u548c\u63a8\u52a8\u9541\u5408\u91d1\u5de5\u4e1a\u7684\u53d1\u5c55\u3002<\/p>\n \u6587\u732e\u94fe\u63a5<\/strong>\uff1aAchieving High Strength and Ductility in Magnesium Alloys via Densely Hierarchical Double Contraction Nanotwins<\/a>\u00a0(Nano Letters, 2017, DOI: 10.1021\/acs.nanolett.7b02641)<\/p>\n \u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u8881\u8d5b\u8d5b\u7f16\u8bd1\uff0c \u9648\u70b3\u65ed\u5ba1\u6838\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n<\/p>\n
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