{"id":125972,"date":"2018-02-16T06:30:05","date_gmt":"2018-02-15T22:30:05","guid":{"rendered":"\/\/m.iemloyee.com\/?p=125972"},"modified":"2018-02-14T09:43:07","modified_gmt":"2018-02-14T01:43:07","slug":"%e4%b8%ad%e7%a7%91%e9%99%a2%e9%87%91%e5%b1%9e%e6%89%80nature%e5%ad%90%e5%88%8a%ef%bc%9a%ce%b2-ti%e5%90%88%e9%87%91%e4%b8%ad%e7%9a%84%e9%a9%ac%e6%b0%8f%e4%bd%93%e7%9b%b8%e5%8f%98%e8%87%b4%e9%9d%9e","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=125972","title":{"rendered":"\u4e2d\u79d1\u9662\u91d1\u5c5e\u6240Nature\u5b50\u520a\uff1a\u03b2-Ti\u5408\u91d1\u4e2d\u7684\u9a6c\u6c0f\u4f53\u76f8\u53d8\u81f4\u975e\u6676\u5316\u673a\u5236"},"content":{"rendered":"
\u00a0<\/strong>\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6db2\u4f53\u6025\u51b7\u53ef\u4ee5\u907f\u514d\u7ed3\u6676\uff0c\u4ece\u800c\u83b7\u5f97\u975e\u6676\u5408\u91d1\u3002\u6b64\u5916\uff0c\u975e\u6676\u6001\u6750\u6599\u53ef\u4ee5\u901a\u8fc7\u6676\u6001\u56fa\u4f53\u8f6c\u53d8\u5f97\u5230\uff0c\u6b64\u6cd5\u53c8\u79f0\u56fa\u6001\u975e\u6676\u5316(SSA)\u3002\u6676\u4f53\u901a\u8fc7\u9ad8\u538b\u5904\u7406\u3001\u79bb\u5b50\u6216\u7535\u5b50\u8f90\u5c04\u3001\u5267\u70c8\u5851\u6027\u5f62\u53d8\u3001\u673a\u68b0\u5408\u91d1\u5316\u7b49\u8bf8\u591a\u5904\u7406\uff0c\u53ef\u5168\u90e8\u6216\u90e8\u5206\u8f6c\u53d8\u4e3a\u975e\u6676\u6001\u3002\u4ece\u70ed\u529b\u5b66\u89d2\u5ea6\u6765\u8bb2\uff0c\u56fa\u6001\u975e\u6676\u5316\u53ef\u4ee5\u770b\u4f5c\u662f\u4f4e\u4e8e\u5e73\u8861\u7194\u70b9\u7684\u7194\u5316\u8fc7\u7a0b\u3002\u56fa\u6001\u975e\u6676\u5316\u8981\u4ea7\u751f\u542b\u6709\u9ad8\u5bc6\u5ea6\u6676\u683c\u7f3a\u9677\u7684\u4e9a\u7a33\u6001\u6676\u76f8\u3002\u51b7\u5374\u6676\u6001\u56fa\u4f53\u65f6\u6ca1\u6709\u6210\u5206\u6539\u53d8\u7684\u56fa\u6001\u975e\u6676\u5316\uff08\u591a\u6676\u578b\u56fa\u6001\u975e\u6676\u5316\uff09\uff0c\u79f0\u4e3a\u53ef\u9006\u7194\u5316\uff08inverse melting\uff09\uff0c\u4e00\u822c\u901a\u8fc7\u5f62\u6838\u548c\u957f\u5927\u8fc7\u7a0b\u4ea7\u751f\u3002\u7136\u800c\uff0c\u5728\u65e0\u7f3a\u9677\u6676\u4f53\u6301\u7eed\u8fc7\u70ed\u65f6\uff0c\u4f1a\u53d1\u751f\u4e00\u79cd\u4e0d\u540c\u7684\u7f55\u89c1\u7684\u7194\u5316\u65b9\u5f0f\u2014\u2014\u7834\u574f\u6027\u7194\u5316\uff08catastrophic melting\uff09\uff0c\u8fd9\u79cd\u7194\u5316\u4ecd\u672a\u5728\u5b9e\u9a8c\u4e2d\u89c2\u6d4b\u5230\u3002\u9a6c\u6c0f\u4f53\u76f8\u53d8\u662f\u53e6\u4e00\u79cd\u5e38\u89c1\u73b0\u8c61\u3002\u5728\u51b7\u5374\u6216\u53d8\u5f62\u65f6\uff0c\u58f0\u5b50\u53cd\u5e38\u4f34\u968f\u7740\u5f39\u6027\u8f6f\u5316\u548c\u6676\u683c\u5207\u53d8\uff0c\u5f15\u53d1\u6676\u683c\u7578\u53d8\uff0c\u73b0\u6709\u6676\u683c\u901a\u8fc7\u975e\u6269\u6563\u7684\u4f4d\u79fb\u578b\u8f6c\u53d8\uff0c\u5f97\u5230\u4e00\u79cd\u65b0\u6676\u578b\u3002\u7136\u800c\uff0c\u9a6c\u6c0f\u4f53\u76f8\u53d8\u548c\u7834\u574f\u6027\uff08\u53ef\u9006\uff09\u7194\u5316\u7684\u76f8\u5173\u8054\u7cfb\u4ecd\u672a\u6709\u5b9e\u9a8c\u8bc1\u636e\uff0c\u540c\u65f6\u7f3a\u4e4f\u76f8\u5173\u673a\u5236\u7684\u7814\u7a76\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u4e2d\u56fd\u79d1\u5b66\u9662\u91d1\u5c5e\u7814\u7a76\u6240<\/strong>\u7684\u5f20\u6d77\u5cf0\u7814\u7a76\u5458<\/strong>\u3001\u897f\u5b89\u4ea4\u901a\u5927\u5b66<\/strong>\u7684\u4efb\u6653\u5175\u6559\u6388<\/strong>\u7b49\u4eba\u5728Nature Communications<\/strong>\u53d1\u8868\u4e86\u9898\u4e3a\u201cAmorphous martensite in \u03b2-Ti alloys<\/strong>\u201d\u7684\u7814\u7a76\u8bba\u6587\uff0c\u62a5\u9053\u4e86\u4e00\u79cd\u65b0\u7684\u56fa\u6001\u975e\u6676\u5316\u673a\u5236\u2014\u2014\u9a6c\u6c0f\u4f53\u76f8\u53d8\u81f4\u975e\u6676\u5316\u673a\u5236\u3002\u7814\u7a76\u8005\u53d1\u73b0\uff0c\u5728\u51b7\u5374Ti-Zr-Cu-Fe\u5408\u91d1\u65f6\u53d1\u751f\u9a6c\u6c0f\u4f53\u76f8\u53d8\uff0c\u4ece\u800c\u8f6c\u53d8\u4e3a\u975e\u6676\u76f8\u3002\u4e9a\u7a33\u03b2\u76f8\u6676\u7c92\u5185\u90e8\u5206\u5e03\u7740\u5177\u6709\u7279\u5b9a\u53d6\u5411\u7684\u67f3\u53f6\u72b6\u6216\u8005\u677f\u6761\u72b6\u975e\u6676\u76f8\uff0c\u975e\u6676\u76f8\u548c\u03b2\u76f8\u57fa\u4f53\u65e0\u660e\u663e\u6210\u5206\u5dee\u522b\uff0c\u5e76\u4e14\u5728\u754c\u9762\u5904\u5b58\u5728\u660e\u663e\u7684\u5207\u53d8\u53f0\u9636\u4ee5\u53ca\u4e25\u91cd\u7684\u03b2\u76f8\u6676\u683c\u7578\u53d8\u3002\u8fd9\u79cd\u975e\u6676\u76f8\u7684\u5f62\u6001\u4e0e\u5df2\u62a5\u9053\u7684\u56fa\u6001\u975e\u6676\u5316\u660e\u663e\u4e0d\u540c\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe1\uff1a\u94f8\u6001Ti59.1<\/sub>Zr37<\/sub>Cu2.3<\/sub>Fe1.6<\/sub>\u5757\u72b6\u6837\u54c1\u7684\u663e\u5fae\u7ed3\u6784\u3002<\/strong><\/p>\n (a) X\u5c04\u7ebf\u884d\u5c04\u56fe\u6837\uff0c\u5728\u03b2-Ti\u884d\u5c04\u5cf0\u9644\u8fd1\uff0c\u975e\u6676\u76f8\u5bf9\u5e94\u7684\u8f83\u5bbd\u884d\u5c04\u9a7c\u5cf0\u72b6\u9686\u8d77\uff1b<\/p>\n (b) \u660e\u573a\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\uff08TEM\uff09\u56fe\u50cf\u663e\u793a\uff0c\u51f8\u900f\u955c\u72b6\u7684\u660e\u4eae\u533a\u57df\uff0c\u957f\u8f74\u503e\u5411\u4e8e\u6cbf<110>\u03b2<\/sub>\u548c<001>\u03b2<\/sub>\u65b9\u5411\uff0c\u8be5\u76f8\u4f4d\u4e8e\u03b2-Ti\u57fa\u4f53\u4e2d\uff0c\u901a\u5e38\u6cbf<111>\u03b2<\/sub>\u65b9\u5411\u91cd\u590d\u591a\u6b21\u53d1\u751f\u526a\u5207\u5f62\u53d8\uff1b<\/p>\n (c) \u66f4\u9ad8\u653e\u5927\u500d\u6570\u7684\u660e\u573a\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\uff08TEM\uff09\u56fe\u50cf\uff0c\u63d2\u56fe\u4e3a\u900f\u955c\u72b6\u533a\u57df\u4e2d\u5fc3\u7684\u9009\u533a\u7535\u5b50\u884d\u5c04\u56fe\u6837\uff08SAED\uff09\uff1b\u7531\u884d\u5c04\u73af\u53ef\u786e\u5b9a\u975e\u6676\u76f8\u7684\u5b58\u5728\uff1b<\/p>\n (d) c\u56fe\u6807\u8bb0\u533a\u57df\u7684\u9ad8\u5206\u8fa8\u900f\u5c04\u7535\u955c(HRTEM)\u56fe\u50cf\u4ee5\u53ca\u63d2\u56fe\u7ecf\u8fc7\u5085\u91cc\u53f6\u53d8\u6362\u540e\u5f97\u5230\u7684\u56fe\u50cf\uff0c\u5747\u6e05\u6670\u8868\u660e\u900f\u955c\u72b6\u533a\u57df\u4e3b\u8981\u4e3a\u975e\u6676\u6001\u3002<\/p>\n \u56fe2\uff1a\u76f4\u5f84\u4e3a8mm\u7684\u94f8\u6001Ti59.1<\/sub>Zr37<\/sub>Cu2.3<\/sub>Fe1.6<\/sub>\u68d2\u72b6\u6837\u54c1\u7684\u663e\u5fae\u7ed3\u6784\u7ec6\u8282\u60c5\u51b5\u3002<\/strong><\/p>\n (a) \u660e\u573a\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\uff08TEM\uff09\u56fe\u50cf\u663e\u793a\uff0c\u5728\u03b2-Ti\u6676\u7c92\u5185\u90e8\u6709\u5178\u578b\u7684\u542b\u6709\u526a\u5207\u9636\u68af\u7684\u51f8\u900f\u955c\u72b6\u533a\u57df\uff0c\u526a\u5207\u5e26\u5e73\u884c\u4e8e<111>\u03b2<\/sub>\uff0c\u6cbf[001]\u03b2<\/sub>\u89c2\u5bdf\u6676\u4f53\u65f6\uff0c\u526a\u5207\u5e26\u5e73\u884c\u65b9\u5411\u5bf9\u5e94\u53d8\u4e3a<110>\u03b2<\/sub>\uff1b<\/p>\n (b) \u5305\u56f4\u7740\u900f\u955c\u72b6\u533a\u57df\u7684\u57fa\u4f53\u5305\u542b\u672a\u5e94\u53d8\u7684\u03b2-Ti\uff1b<\/p>\n (c,d) \u5085\u91cc\u53f6\u53d8\u6362\u7684\u6591\u70b9\u5288\u88c2\uff0c\u8868\u793a\u6709\u4e00\u4e2a\u9ad8\u5ea6\u626d\u66f2\u7684\u03b2\u76f8\uff1b<\/p>\n (e) \u8ff7\u5bab\u72b6\u82b1\u6837\u548c\u5085\u91cc\u53f6\u53d8\u6362\u56fe\u50cf\u4e2d\u7684\u5149\u6655\u8868\u660e\u5b58\u5728\u975e\u6676\u76f8\u3002<\/p>\n \u56fe3\uff1a\u76f4\u5f84\u4e3a8mm\u7684\u94f8\u6001Ti59.1<\/sub>Zr37<\/sub>Cu2.3<\/sub>Fe1.6<\/sub>\u68d2\u72b6\u6837\u54c1\u5728\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u4e0b\u539f\u4f4d\u52a0\u70ed\u7684\u9009\u533a\u7535\u5b50\u884d\u5c04\u663e\u5fae\u7ed3\u6784\u56fe\u6837\u3002<\/strong><\/p>\n (a)\u94f8\u6001\u60c5\u51b5\uff1b<\/p>\n (b-g) \u539f\u4f4d\u52a0\u70ed\u5230\u03b1\u2192\u03b2\u8f6c\u53d8\u6e29\u5ea6\u4ee5\u4e0b\uff0c\u975e\u6676\u76f8\u5728T=700K\u65f6\u5f00\u59cb\u5411\u03b1-Ti\u8f6c\u53d8\uff1b<\/p>\n (h) \u51b7\u5374\u5230\u5ba4\u6e29\u540e\uff0c\u4ec5\u53ef\u89c2\u5bdf\u5230\u5e73\u8861\u76f8\u03b1-Ti\u3002<\/p>\n \u56fe4\uff1a\u76f4\u5f84\u4e3a8mm\u7684Ti59.1<\/sub>Zr37<\/sub>Cu2.3<\/sub>Fe1.6<\/sub>\u68d2\u72b6\u6837\u54c1\u7684\u5faa\u73af\u5dee\u793a\u626b\u63cf\u91cf\u70ed\u6cd5\u5206\u6790\uff0c\u4ee5\u53ca\u4e0d\u540c\u9000\u706b\u6761\u4ef6\u4e0b\u7684\u663e\u5fae\u7ed3\u6784\u3002<\/strong><\/p>\n (a) \u5f53\u94f8\u6001\u5408\u91d1\u52a0\u70ed\u5230823K\u65f6\uff0c\u4f1a\u53d1\u751f\u56db\u79cd\u76f8\u53d8\u8fc7\u7a0b\uff081\uff1a\u03b2\u2192\u03b2+w\uff0c2\uff1aw\u2192\u03b2\uff0c3\uff1a\u03b2\u2192\u03b1\uff0c4\uff1aglass\u2192\u03b1\uff09\u3002\u5728\u51b7\u5374\u548c\u7acb\u5373\u518d\u52a0\u70ed\u65f6\u6ca1\u6709\u8f6c\u53d8\u53d1\u751f\u3002\u5728\u94f8\u6001\u5408\u91d1\u52a0\u70ed\u5230943K\u671f\u95f4\uff0c\u4e0e\u8f6c\u53d8\u70b9\uff085\uff1a\u03b1\u2192\u03b2\uff09\u76f8\u4ea4\uff0c\u540e\u7eed\u7684\u51b7\u5374\u4f7f\u5f97\u4f4e\u4e8e695K\u65f6\u6709\u653e\u70ed\u884c\u4e3a\u3002\u7531\u4e8e\u5728\u94f8\u6001\u76f8\u518d\u52a0\u70ed\u65f6\u4f1a\u53d1\u751f\u540c\u6837\u7684\u76f8\u53d8\uff0c\u63ed\u793a\u4e86\u8fd9\u4e2a\u653e\u70ed\u53cd\u5e94\uff086\uff09\u8d77\u6e90\u4e8e\u03b2-Ti\u7684\u90e8\u5206\u975e\u6676\u5316\uff1b<\/p>\n (b) 823K\u9000\u706b\u7684DSC\u6837\u54c1\u7684\u660e\u573a\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u56fe\u50cf\uff0c\u548c\u56fe\u4e2d\u6807\u8bb0\u533a\u57df\u7684\u9009\u533a\u7535\u5b50\u884d\u5c04\u56fe\u50cf\uff0c\u8bc1\u660e\u7a33\u5b9a\u7684\u03b1-Ti\u5b58\u5728\uff1b<\/p>\n (c) 943K\u9000\u706b\u540e\uff0c\u540c\u6837\u7684\u94f8\u6001\u6837\u54c1\u7684\u663e\u5fae\u7ed3\u6784\u548c\u9009\u533a\u7535\u5b50\u884d\u5c04\u56fe\u50cf\uff0c\u663e\u793a-Ti\u548c\u975e\u6676\u76f8\u3002<\/p>\n \u56fe5\uff1a\u9a6c\u6c0f\u4f53\u975e\u6676\u5316\u7684\u56fe\u793a\u63cf\u8ff0\u3002<\/strong><\/p>\n (a) \u89c2\u6d4b\u5230\u7684\u663e\u5fae\u7ed3\u6784\u7b80\u5355\u793a\u610f\u56fe\uff1a\u900f\u955c\u72b6\u7684\u975e\u6676\u533a\u57df\u53ca\u5176\u6cbf<110>\u03b2<\/sub>\u6216<001>\u03b2<\/sub>\u7684\u62e9\u4f18\u53d6\u5411\uff1b<\/p>\n (b) \u4f20\u7edf\u9a6c\u6c0f\u4f53\u8f6c\u53d8\u7684\u6676\u4f53\u5b66\u53d8\u5316\uff0c\u901a\u8fc7\u975e\u5e38\u89c4\u539f\u5b50\u4f4d\u79fb\uff0c\u03b2\u6676\u683c\u7834\u574f\u5f62\u6210\u975e\u6676\u76f8;<\/p>\n (c) \u6839\u636e\u51b7\u5374\u8fc7\u7a0b\u4e2d(Ti615<\/sub>Zr0.385<\/sub>)100-3.9x<\/sub>(Cu2.3<\/sub>Fe1.6<\/sub>)x<\/sub>(0\u2264x\u22641.5)\u5408\u91d1\u7684DCS\u6d4b\u91cf\u6570\u636e\u6240\u5f97\u7684\u4e9a\u7a33\u6001\u76f8\u56fe\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u6b64\u7c7b\u9a6c\u6c0f\u4f53\u975e\u6676\u5316\u5c5e\u4e8e\u666e\u904d\u73b0\u8c61\uff0c\u53ef\u5728\u94f8\u6001Ti59.1<\/sub>Zr37<\/sub>Cu2.3<\/sub>Co1.6<\/sub>\u548cTi59.1<\/sub>Zr37<\/sub>Cu2.3<\/sub>Ni1.6<\/sub>\u5408\u91d1\u4e2d\u89c2\u6d4b\u5230\u3002\u5bf9\u4e8e\u7279\u5b9a\u6210\u5206\u7684\u03b2\u949b\u5408\u91d1\uff0c\u9a6c\u6c0f\u4f53\u76f8\u53d8\u8fc7\u7a0b\u4e2d\u7684\u5c40\u57df\u6676\u683c\u5207\u53d8\u548c\u7578\u53d8\u4f7f\u5f97\u7ed3\u6784\u65e0\u5e8f\u7684\u975e\u6676\u76f8\u76f8\u5bf9\u4e8e\u6676\u6001\u76f8\u66f4\u5bb9\u6613\u5f62\u6210\uff0c\u5bfc\u81f4\u9a6c\u6c0f\u4f53\u975e\u6676\u5316\u7684\u51fa\u73b0\u3002\u8fd9\u79cd\u975e\u6676\u76f8\u53ef\u88ab\u79f0\u4e3a\u201c\u975e\u6676\u9a6c\u6c0f\u4f53\u201d\u3002\u591a\u6676\u578b\u56fa\u6001\u975e\u6676\u5316\u80fd\u591f\u4ee5\u9a6c\u6c0f\u4f53\u76f8\u53d8\u7684\u5f62\u5f0f\u8fdb\u884c\uff0c\u9075\u5faa\u878d\u5316\u7684Born\u6807\u51c6\u3002\u73b0\u6709\u5b9e\u9a8c\u4e0d\u4ec5\u63d0\u51fa\u4e00\u79cd\u53ef\u80fd\u7684\u56fa\u6001\u975e\u6676\u5316\u673a\u5236\uff0c\u4e14\u63ed\u793a\u4e86\u9a6c\u6c0f\u4f53\u76f8\u53d8\u9690\u542b\u673a\u5236\u548c\u7834\u574f\u6027\u7194\u5316\u4e4b\u95f4\u7684\u57fa\u672c\u5173\u8054\uff0c\u8fd9\u4e00\u53d1\u73b0\u4e30\u5bcc\u4e86\u56fa\u6001\u975e\u6676\u5316\u673a\u5236\u548c\u9a6c\u6c0f\u4f53\u76f8\u53d8\u7406\u8bba\u3002<\/p>\n \u6587\u732e\u94fe\u63a5<\/strong>\uff1aAmorphous martensite in \u03b2-Ti alloys<\/a>(Nat. Commun., 2018, DOI: 10.1038\/s41467-018-02961-2)<\/p>\n \u672c\u6587\u7531\u6750\u6599\u4eba\u91d1\u5c5e\u6750\u6599\u7ec4Isobel\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n \u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8\u5927\u5bb6\u5ead<\/a>\u3002<\/p>\n \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 \u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1aRDD-2011-CHERISH\uff0c\u4efb\u4e39\u4e39\uff0c\u6211\u4eec\u4f1a\u9080\u8bf7\u5404\u4f4d\u8001\u5e08\u52a0\u5165\u4e13\u5bb6\u7fa4\u3002<\/p>\n<\/strong><\/p>\n
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