{"id":156806,"date":"2018-10-23T06:30:10","date_gmt":"2018-10-22T22:30:10","guid":{"rendered":"\/\/m.iemloyee.com\/?p=156806"},"modified":"2018-10-22T10:18:28","modified_gmt":"2018-10-22T02:18:28","slug":"nat-commun-%e7%a9%ba%e9%97%b4%e4%b8%8d%e5%9d%87%e5%8c%80%e6%80%a7%e4%bd%9c%e4%b8%ba%e7%bb%93%e6%9e%84%e7%89%b9%e6%80%a7%e8%a1%a8%e5%be%81%e9%87%91%e5%b1%9e%e7%8e%bb%e7%92%83%e7%9a%84%e7%bb%93","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=156806","title":{"rendered":"Nat. Commun.: \u7a7a\u95f4\u4e0d\u5747\u5300\u6027\u4f5c\u4e3a\u7ed3\u6784\u7279\u6027\u8868\u5f81\u91d1\u5c5e\u73bb\u7483\u7684\u7ed3\u6784-\u6027\u80fd\u76f8\u5173\u6027"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u6676\u6001\u6750\u6599\u7684\u529b\u5b66\u6027\u80fd\u53ef\u4ee5\u901a\u8fc7\u5f15\u5165\u6eb6\u8d28\u539f\u5b50\u3001\u4f4d\u9519\u3001\u5b6a\u6676\u548c\u6676\u754c\u7b49\u6676\u4f53\u7f3a\u9677\uff0c\u7528\u56fa\u6eb6\u5f3a\u5316\u3001Taylor\u5e94\u53d8\u5f3a\u5316\u548cHall-Petch\u6676\u754c\u5f3a\u5316\u6a21\u578b\u6765\u5b9a\u91cf\u63cf\u8ff0\u3002\u7136\u800c\u5bf9\u4e8e\u65e0\u5e8f\u7684\u91d1\u5c5e\u73bb\u7483\uff0c\u8fd8\u7f3a\u4e4f\u53ef\u4ee5\u51c6\u786e\u5b9a\u4e49\u6750\u6599\u529b\u5b66\u6027\u80fd\u7684\u7ed3\u6784\u53c2\u91cf\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u4e3a\u63cf\u8ff0\u7ed3\u6784\u65e0\u5468\u671f\u6027\u7684\u91d1\u5c5e\u73bb\u7483\u7684\u529b\u5b66\u884c\u4e3a\uff0c\u81ea\u7531\u4f53\u79ef\uff08free volume\uff09\u3001\u6d41\u53d8\u5355\u5143\u3001\u4ee5\u53ca\u526a\u5207\u8f6c\u53d8\u533a\u57df\uff08STZs\uff09\u7b49\u6982\u5ff5\u5df2\u88ab\u5f15\u5165\u91d1\u5c5e\u73bb\u7483\u5f39\u6027-\u5851\u6027\u8f6c\u53d8\u7684\u7814\u7a76\u4e2d\uff0c\u6765\u63cf\u8ff0\u7ed3\u6784\u4e0d\u7a33\u5b9a\u6027\u3002\u5c3d\u7ba1\u6d41\u53d8\u5355\u5143\u548cSTZ\u7406\u8bba\u662f\u57fa\u4e8e\u91d1\u5c5e\u73bb\u7483\u7ed3\u6784\u4e0d\u5747\u5300\u6027\u662f\u526a\u5207\u5c40\u57df\u5316\u53ca\u526a\u5207\u8f6f\u5316\u8d77\u6e90\u7684\u5047\u8bbe\uff0c\u6709\u5173\u91d1\u5c5e\u73bb\u7483\u7ed3\u6784\u4e0d\u5747\u5300\u6027\u548c\u5b8f\u89c2\u529b\u5b66\u6027\u80fd\u4e4b\u95f4\u7684\u5173\u7cfb\u4ecd\u672a\u660e\u786e\u5efa\u7acb\u8d77\u6765\u3002\u53d7\u5b9e\u9a8c\u6280\u672f\u7684\u9650\u5236\uff0c\u8fd8\u672a\u80fd\u63cf\u8ff0\u91d1\u5c5e\u73bb\u7483\u7a7a\u95f4\u4e0d\u5747\u5300\u6027\uff0c\u5e76\u786e\u5b9a\u5176\u548c\u5b8f\u89c2\u529b\u5b66\u6027\u80fd\u4e4b\u95f4\u672c\u5f81\u5173\u8054\u7684\u5b9a\u91cf\u5173\u7cfb\u3002<\/p>\n \u8fd1\u65e5\uff0c\u4e0a\u6d77\u4ea4\u901a\u5927\u5b66\u5c16\u7aef\u7269\u8d28\u7ed3\u6784\u7814\u7a76\u4e2d\u5fc3\u56e2\u961f<\/strong>\u5728Nature Communications<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cSpatial heterogeneity as the structure feature for structure\u2013property relationship of metallic glasses<\/strong>\u201d\u7684\u6587\u7ae0\u3002\u8be5\u5de5\u4f5c\u62a5\u9053\u4e86\u7eb3\u7c73\u5c3a\u5ea6\u7a7a\u95f4\u4e0d\u5747\u5300\u6027\u662f\u91d1\u5c5e\u73bb\u7483\u56fa\u6709\u7684\u7ed3\u6784\u7279\u5f81\uff0c\u548c\u5f3a\u5ea6\u53ca\u5f62\u53d8\u884c\u4e3a\u6709\u7740\u672c\u5f81\u5173\u8054\u3002\u91d1\u5c5e\u73bb\u7483\u7684\u5f3a\u5ea6\u548c\u6768\u6c0f\u6a21\u91cf\u53ef\u4ee5\u901a\u8fc7\u7a7a\u95f4\u4e0d\u5747\u5300\u6027\u7279\u5f81\u957f\u5ea6\u5012\u6570\u7684\u5e73\u65b9\u6839\u6765\u5b9a\u4e49\u3002\u6b64\u5916\uff0c\u65f6\u95f4\u76f8\u5173\u7684\u5e94\u53d8\u5f1b\u8c6b\u7684\u62c9\u4f38\u6307\u6570\u4e5f\u53ef\u4ee5\u901a\u8fc7\u7279\u5f81\u957f\u5ea6\u6765\u5b9a\u91cf\u63cf\u8ff0\u3002\u8be5\u7814\u7a76\u6709\u529b\u8bc1\u660e\u4e86\u7a7a\u95f4\u4e0d\u5747\u5300\u6027\u53ef\u4f5c\u4e3a\u63cf\u7ed8\u91d1\u5c5e\u73bb\u7483\u529b\u5b66\u6027\u80fd\u7684\u7ed3\u6784\u53c2\u91cf\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe1\uff1a\u4e0d\u540c\u70ed\u529b\u5b66\u72b6\u6001\u4e0b\u91d1\u5c5e\u73bb\u7483\u7684\u7a7a\u95f4\u4e0d\u5747\u5300\u6027\u3002<\/p>\n (a)\u8d85\u5236\u5907\u7684\u8d85\u5feb\u6dec\u6837\u54c1\u548c553K\u4e0b\u5206\u522b\u9000\u706b5min\uff08\u4e2d\u5ea6\u5f1b\u8c6b\uff09\u548c720min\uff08\u9ad8\u5ea6\u5f1b\u8c6b\uff09\u7684\u6837\u54c1\uff1b<\/p>\n (b)\u00a0\u8d85\u5feb\u6dec\u91d1\u5c5e\u73bb\u7483\u6837\u54c1\u7684HRTEM\u56fe\u50cf\uff0c\u5185\u63d2\u56fe\u662f\u5bf9\u5e94\u7684\u9009\u53d6\u7535\u5b50\u884d\u5c04\u56fe\u50cf\uff1b<\/p>\n (c)\u00a0\u8d85\u5feb\u6dec\u6837\u54c1\u7684HADDF-STEM\u56fe\u50cf\uff1b<\/p>\n (d) \u4e2d\u5ea6\u5f1b\u8c6b\u6837\u54c1\u7684HADDF-STEM\u56fe\u50cf\uff1b<\/p>\n (e) \u9ad8\u5ea6\u5f1b\u8c6b\u6837\u54c1\u7684HADDF-STEM\u56fe\u50cf\u3002<\/p>\n \u56fe2\uff1a\u7eb3\u7c73\u538b\u75d5\u4eea\u6d4b\u5f97\u7684\u529b\u5b66\u6027\u80fd\u3002<\/p>\n (a)\u00a0\u8d85\u5feb\u6dec\u6837\u54c1\u3001\u4e2d\u5ea6\u5f1b\u8c6b\u6837\u54c1\u548c\u9ad8\u5ea6\u5f1b\u8c6b\u6837\u54c1\u7684\u7eb3\u7c73\u538b\u75d5\u529b-\u6df1\u5ea6\u66f2\u7ebf\uff1b<\/p>\n (b) \u7eb3\u7c73\u538b\u75d5\u786c\u5ea6\u548c\u6a21\u91cf\u4e0e\u7a7a\u95f4\u4e0d\u5747\u5300\u6027\u7279\u5f81\u957f\u5ea6\u7684\u56fe\u50cf\uff1b<\/p>\n (c)\u00a0\u8d85\u5feb\u6dec\u6837\u54c1\u7684\u786c\u5ea6\u8ba1\u538b\u5934\u56fe\u50cf\uff1b<\/p>\n (d)\u00a0\u9ad8\u5ea6\u5f1b\u8c6b\u6837\u54c1\u7684\u786c\u5ea6\u8ba1\u538b\u5934\u56fe\u50cf\u3002<\/p>\n \u56fe3\uff1a\u5fae\u7c73\u67f1\u538b\u7f29\u6d4b\u8bd5\u3002<\/p>\n (a)\u00a0\u8d85\u5feb\u6dec\u5fae\u7c73\u67f1\u548c\u9ad8\u5ea6\u5f1b\u8c6b\u5fae\u7c73\u67f1\u6837\u54c1\u7ecf\u975e\u8f74\u5411\u538b\u7f29\u7684\u5de5\u7a0b\u5e94\u529b\u5e94\u53d8\u66f2\u7ebf\uff1b<\/p>\n (b)\u00a0\u8d85\u5feb\u6dec\u5fae\u7c73\u67f1\u5f62\u53d8\u540e\u7684\u5f62\u8c8c\uff1b<\/p>\n (c)\u00a0\u9ad8\u5ea6\u5f1b\u8c6b\u5fae\u7c73\u67f1\u5f62\u53d8\u540e\u7684\u5f62\u8c8c.<\/p>\n \u56fe4\uff1a\u5e94\u53d8\u5f1b\u8c6b\u6d4b\u91cf\u3002<\/p>\n (a) \u6052\u5b9a\u8d1f\u8f7d50mN\u65f6\uff0c\u538b\u5934\u4f4d\u79fbh\u4e0e\u4fdd\u6301\u65f6\u95f4th\u4e4b\u95f4\u7684\u51fd\u6570\u5173\u7cfb\uff1b<\/p>\n (b) \u5f1b\u8c6b\u632f\u5e45\u548c\u7279\u5f81\u5f1b\u8c6b\u65f6\u95f4\u4e0e\u7a7a\u95f4\u4e0d\u5747\u5300\u6027\u7684\u7279\u5f81\u957f\u5ea6\u7684\u6bd4\u503c\uff1b<\/p>\n (c) \u62c9\u4f38\u6307\u6570\u03b2\u4e0e\u7279\u5f81\u957f\u5ea6\u7684\u51fd\u6570\u5173\u7cfb\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u603b\u7684\u6765\u8bf4\uff0c\u8be5\u5de5\u4f5c\u7cfb\u7edf\u7814\u7a76\u4e86\u91d1\u5c5e\u73bb\u7483\u7a7a\u95f4\u4e0d\u5747\u5300\u6027\u548c\u529b\u5b66\u6027\u80fd\u4e4b\u95f4\u7684\u5173\u8054\u3002\u5f3a\u5ea6\u3001\u6a21\u91cf\u548c\u5f1b\u8c6b\u6307\u6570\u53ef\u4ee5\u901a\u8fc7\u7a7a\u95f4\u4e0d\u5747\u5300\u6027\u7684\u7279\u5f81\u957f\u5ea6\u6765\u5b9a\u91cf\u63cf\u8ff0\u3002\u5c3d\u7ba1\u62c9\u4f38\u6307\u6570\u548cHall-Petch\u5173\u7cfb\u80cc\u540e\u7684\u673a\u5236\u8fd8\u4e0d\u6e05\u695a\uff0c\u9700\u8981\u8fdb\u4e00\u6b65\u7814\u7a76\uff0c\u73b0\u6709\u5de5\u4f5c\u63d0\u4f9b\u4e86\u4e00\u4e2a\u660e\u786e\u5b9a\u4e49\u7684\u7ed3\u6784\u7279\u5f81\u6765\u63cf\u8ff0\u91d1\u5c5e\u73bb\u7483\u7684\u529b\u5b66\u6027\u80fd\uff0c\u8fd9\u5c06\u5bf9\u7406\u89e3\u91d1\u5c5e\u73bb\u7483\u529b\u5b66\u6027\u80fd\u7684\u7ed3\u6784\u8d77\u6e90\u4ee5\u53ca\u8bbe\u8ba1\u6027\u80fd\u66f4\u597d\u7684\u65b0\u578b\u91d1\u5c5e\u73bb\u7483\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n
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