{"id":107271,"date":"2017-10-19T14:00:45","date_gmt":"2017-10-19T06:00:45","guid":{"rendered":"\/\/m.iemloyee.com\/?p=107271"},"modified":"2017-10-17T21:17:30","modified_gmt":"2017-10-17T13:17:30","slug":"acta-mater-%ef%bc%9a%e9%95%81%e9%94%a1%e5%90%88%e9%87%91%e4%b8%ad%e4%ba%9a%e7%a8%b3%e6%80%81%e6%b2%89%e6%b7%80%e7%9b%b8%e7%9a%84%e7%a0%94%e7%a9%b6","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=107271","title":{"rendered":"Acta Mater.\uff1a\u9541\u9521\u5408\u91d1\u4e2d\u4e9a\u7a33\u6001\u6c89\u6dc0\u76f8\u7684\u7814\u7a76"},"content":{"rendered":"

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

\u6c89\u6dc0\u786c\u5316\u9541\u5408\u91d1\u5728\u8fc7\u53bb\u768417\u5e74\u4e2d\u9010\u6e10\u53d7\u5230\u8d8a\u6765\u8d8a\u591a\u7684\u5173\u6ce8\uff0c\u56e0\u4e3a\u5176\u5728150-250\u2103\u7b49\u6e29\u65f6\u6548\u8fc7\u7a0b\u4e2d\u5f62\u6210\u7ec6\u5c0f\u7684\u6c89\u6dc0\u7269\u800c\u83b7\u5f97\u9ad8\u5f3a\u5ea6\u7684\u80fd\u529b\u3002\u8fd1\u51e0\u5e74\u6765\uff0c\u9541\u9521\u5408\u91d1\u65e0\u7591\u662f\u5176\u4e2d\u6700\u8000\u773c\u7684\u4e00\u9897\u661f\uff0c\u5e7f\u6cdb\u7528\u4e8e\u5f00\u53d1\u4e0d\u542b\u6602\u8d35\u7a00\u571f\u5143\u7d20\u7684\u953b\u9020\u9541\u5408\u91d1\u3002\u4e9a\u7a33\u6001\u6c89\u6dc0\u76f8\u662f\u5408\u91d1\u4e2d\u7684\u5173\u952e\u5f3a\u5316\u76f8\uff0c\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u76f4\u63a5\u8d77\u5230\u5f3a\u5316\u6548\u679c\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u4f5c\u4e3a\u5f02\u8d28\u6210\u6838\u7684\u4f4d\u70b9\uff0c\u4fc3\u8fdb\u66f4\u7a33\u5b9a\u7684\u5f3a\u5316\u76f8\u5f62\u6210\u3002\u8fd1\u65e5\uff0c\u6709\u5b66\u8005\u7814\u7a76\u4e86\u5728100-250\u2103\u4e0b\u65f6\u6548\u9541\u9521\u5408\u91d1\u4e2d\u7684GP\u533a\u548c\u4e9a\u7a33\u6001\u6790\u51fa\u76f8\u7684\u5f62\u6210\u8fc7\u7a0b\uff0c\u5e76\u901a\u8fc7\u50cf\u5dee\u6821\u6b63\u626b\u63cf\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u5bf9\u5176\u7ed3\u6784\u8fdb\u884c\u8868\u5f81\uff0c\u8ba8\u8bba\u4e86\u4e9a\u7a33\u6c89\u6dc0\u76f8\u7684\u5f62\u6210\u673a\u7406\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u91cd\u5e86\u5927\u5b66\u8042\u5efa\u5cf0\u6559\u6388\u3001HW Chen\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u56e2\u961f\u5728Acta Mater.<\/strong>\u4e0a\u53d1\u5e03\u4e86\u4e00\u7bc7\u5173\u4e8e\u9541\u9521\u5408\u91d1\u7684\u6587\u7ae0\uff0c\u9898\u4e3a\u201cMetastable precipitate phases in Mg\u20139.8wt.%Sn alloy<\/strong>\u201d\u3002
\n \u4f5c\u8005\u901a\u8fc7\u50cf\u5dee\u6821\u6b63\u626b\u63cf\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\uff0c\u7814\u7a76\u4e86\u5728100-250\u2103\u6e29\u5ea6\u4e0b\u7ecf\u65f6\u6548\u540e\u9541\u9521\u5408\u91d1\u4e2d\u4e9a\u7a33\u6c89\u6dc0\u76f8\u7684\u5f62\u6210\u8fc7\u7a0b\uff0c\u5e76\u8ba8\u8bba\u5176\u5f62\u6210\u673a\u7406\u3002
\n \u7814\u7a76\u7ed3\u679c\u8868\u660e\uff0c\u9541\u9521\u5408\u91d1\u4e2d\u7684\u6c89\u6dc0\u6d89\u53ca\u5230\u5e73\u8861\u76f8\u03b2\u7684\u5355\u72ec\u5f62\u6210\uff0c\u800cGP\u533a\u548c\u88ab\u79f0\u4f5c\u03b2\u2032\u7684\u4e9a\u7a33\u76f8\u4f18\u5148\u4e8e\u5e73\u8861\u76f8\u03b2\u5f62\u6210\u3002<\/p>\n

[\u81f4\u6b49\uff1a\u5f88\u62b1\u6b49\uff0c\u672a\u80fd\u627e\u5230\u901a\u8baf\u4f5c\u8005HW Chen\u7684\u786e\u5207\u4e2d\u6587\u540d\u5b57\uff0c\u5c0f\u7f16\u8868\u793a\u8bda\u631a\u7684\u6b49\u610f\uff01]<\/strong><\/p>\n

\u3010\u56fe\u7247\u5bfc\u8bfb<\/strong>\u3011<\/p>\n

\u56fe1 \u6837\u54c1\u4f4e\u500dHAADF-STEM\u56fe<\/strong><\/p>\n

\"\"
\n (a<\/strong>) 200\u2103\u4e0b\u65f6\u6548\u5904\u740688\u5c0f\u65f6\u540e\u7684\u6837\u54c1\uff1b<\/p>\n

(b<\/strong>) 100\u2103\u4e0b\u65f6\u6548\u5904\u74062056\u5c0f\u65f6\u540e\u7684\u6837\u54c1\u3002<\/p>\n

\u56fe2 \u80fd\u91cf\u8272\u6563X\u5c04\u7ebf\u8c31<\/strong><\/p>\n

\"\"
\n (a<\/strong>) \u5e73\u8861\u76f8\u03b2\uff1b \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 (b<\/strong>) \u4e9a\u7a33\u76f8\u03b2\u2032\uff1b \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 (c<\/strong>) GP\u533a\u3002<\/p>\n

\u56fe3 \u6837\u54c1\u539f\u5b50\u5206\u8fa8\u7387HAADF-STEM\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) 100\u2103\u65f6\u6548\u5904\u74062056\u5c0f\u65f6\u540e\u6837\u54c1\u7684GP\u533a\uff1b<\/p>\n

(b<\/strong>) Sn\u7684EDS\u56fe\uff1b<\/p>\n

(c<\/strong>,d<\/strong>) \u6676\u4f53\u5b66\u53d6\u5411\u4e0d\u540c\u7684GP\u533a\u3002<\/p>\n

\u56fe4 \u4e9a\u7a33\u76f8\u03b2’\u4e0e\u9541\u57fa\u4f53\u4e4b\u95f4\u7684\u53d6\u5411\u5173\u7cfb<\/strong><\/p>\n

\"\"<\/p>\n

\u4e9a\u7a33\u76f8\u03b2’\u7684\u60ef\u4e60\u9762\u4e0e\uff080001\uff09\u5e73\u884c\uff0c\u03b2’\u6c89\u6dc0\u7269\u4e0e\u8be5\u4e60\u60ef\u5e73\u9762\u4e2d\u7684\u03b1-Mg\u57fa\u8d28\u5b8c\u5168\u5171\u683c\u3002<\/p>\n

\u56fe5 160\u2103\u4e0b\u65f6\u654890\u5c0f\u65f6\u540e\u6837\u54c1\u7684HAADF-STEM\u56fe<\/strong><\/p>\n

\"\"
\n (a<\/strong>) \u4f2f\u6c0f\u56de\u8def\u5728\u6bcf\u4e2a\u8096\u514b\u83b1\u4e0d\u5168\u4f4d\u9519\u5e73\u9762\u4e0a\u7684\u8d77\u59cb\u4e0e\u7ec8\u6b62\uff1b<\/p>\n

(b<\/strong>) \u4f2f\u6c0f\u56de\u8def\u6ca1\u6709\u5728\u8096\u514b\u83b1\u4e0d\u5168\u4f4d\u9519\u5e73\u9762\u4e0a\u8d77\u59cb\u4e0e\u7ec8\u6b62\u3002<\/p>\n

\u56fe6 \u6837\u54c1\u7ecf\u51b7\u8f67\u548c\u65f6\u6548\u5904\u7406\u540e\u7684\u03b2’\u6c89\u6dc0\u76f8<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) \u03b2’\u6c89\u6dc0\u76f8\u90e8\u5206\u8f6c\u5316\u4e3a\u03b2\u76f8\uff1b<\/p>\n

(b<\/strong>) \u03b2\u548c\u03b1-Mg\u7684FFT(\u5feb\u901f\u5085\u7acb\u53f6\u53d8\u6362)\u56fe\uff1b<\/p>\n

(c<\/strong>) (a)\u56fe\u4e2d\u865a\u7ebf\u6846\u6269\u5927\u540e\u7684\u56fe\u50cf\u3002<\/p>\n

\u56fe7 GP\u533a\u548c\u03b2’\u76f8\u7684\u6e29\u5ea6\u65f6\u95f4\u5173\u7cfb\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

\u6837\u54c1\u5728100\u2103\u4e0b\u65f6\u6548\u5904\u7406192\u5c0f\u65f6\u540e\u68c0\u6d4b\u5230GP\u533a\uff0c\u800c\u5728100\u2103\u4e0b\u65f6\u6548720\u5c0f\u65f6\u540e\u68c0\u6d4b\u5230\u03b2’\u76f8\u3002\u5f53\u65f6\u6548\u6e29\u5ea6\u5347\u9ad8\u81f3160\u2103\u4ee5\u4e0a\u65f6\uff0c\u5f62\u6210\u7684\u5927\u90e8\u5206\u6c89\u6dc0\u7269\u4e3a\u5e73\u8861\u76f8\u03b2\u3002<\/p>\n

\u56fe8 \u51b7\u52a0\u5de5\u540e\u03b2’\u76f8\u7684\u4f4d\u9519\u548c\u5b6a\u6676\u754c<\/strong><\/p>\n

\"\"
\n (a<\/strong>) \u6837\u54c1\u7ecf\u51b7\u52a0\u5de5\uff0c\u7136\u540e\u5728160\u2103\u4e0b\u65f6\u654890\u5c0f\u65f6\uff0c\u6240\u5f97\u03b2’\u76f8\u7684\u4f4d\u9519;<\/p>\n

(b<\/strong>) \u6837\u54c1\u7ecf\u51b7\u52a0\u5de5\uff0c\u7136\u540e\u5728160\u2103\u4e0b\u65f6\u654890\u5c0f\u65f6\uff0c\u6240\u5f97\u03b2’\u76f8\u7684\u5b6a\u6676\u754c\u3002<\/p>\n

\u56fe9 \u03b1-Mg\u4e2d\u03b2’\u76f8\u7684\u5f62\u6210\u548c\u589e\u539a\u673a\u5236<\/strong><\/p>\n

\"\"
\n (a<\/strong>) \u4f2f\u6c0f\u56de\u8def\u5728\u5bc6\u6392\u516d\u65b9\u7ed3\u6784\u4e2d\u6ca1\u6709\u663e\u793a\u95ed\u5408\u5931\u6548\uff1b<\/p>\n

(b<\/strong>) \u5bc6\u6392\u9762\u7684\u987a\u5e8f\u7531ABABAB …\u6539\u53d8\u4e3a… ABCACA\uff1b<\/p>\n

(c<\/strong>,d<\/strong>) \u03b2’\u76f8\u9010\u6e10\u589e\u539a\u3002<\/p>\n

\u56fe10 \u03b2’\u76f8\u4e2d\u5b6a\u6676\u7684\u5f62\u6210\u793a\u610f\u56fe<\/strong><\/p>\n

\"\"
\n (a<\/strong>) \u4e24\u4e2a\u53d8\u4f53\u6cbf\u5404\u81ea\u65b9\u5411\u751f\u957f\u5e76\u6709\u5171\u540c\u7684\u5e73\u9762A\uff1b<\/p>\n

(b<\/strong>) \u4e24\u4e2a\u53d8\u4f53\u6709\u5171\u540c\u7684\u5e73\u9762B\u671d\u7740\u57fa\u4f53\u7684\u65b9\u5411\u751f\u957f\u3002<\/p>\n

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

\u8fd9\u7bc7\u6587\u7ae0\u901a\u8fc7\u9ad8\u89d2\u5ea6\u73af\u5883\u6697\u89c6\u573a\u626b\u63cf\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u7cfb\u7edf\uff0c\u7814\u7a76\u4e86\u9541\u9521\u5408\u91d1\u5728\u65f6\u6548\u5904\u7406\u540e\u7684\u5f62\u6210\u7684\u6c89\u6dc0\u76f8\u3002\u7814\u7a76\u7ed3\u679c\u603b\u7ed3\u5982\u4e0b\uff1a<\/p>\n

(1<\/strong>) GP\u533a\u548c\u6c89\u6dc0\u76f8\u03b2’\u4e3b\u8981\u51fa\u73b0\u5728100\u2103\u4e0b\u7684\u65f6\u6548\u6837\u54c1\u4e2d\uff0c\u5f53\u65f6\u6548\u6e29\u5ea6\u5347\u81f3160\u2103\u4ee5\u4e0a\u65f6\uff0c\u5b83\u4eec\u4e3b\u8981\u88ab\u6790\u51fa\u7269\u03b2\u6240\u53d6\u4ee3\u3002\u6c89\u6dc0\u76f8\u7684\u53d8\u5316\u987a\u5e8f\u4e3a\uff1a\u8fc7\u9971\u548c\u56fa\u6eb6\u2192GP\u533a\u2192\u03b2’\u2192\u03b2\u3002<\/p>\n

(2<\/strong>) \u03b2’\u76f8\u4e3aL12\u7ed3\u6784\uff0c\u60ef\u4e60\u9762\u4e0a\u4e0e\u57fa\u4f53\u9541\u5b8c\u5168\u4e00\u81f4\u3002<\/p>\n

(3<\/strong>) \u03b2’\u76f8\u7684\u751f\u957f\u6d89\u53ca\u5230\u5728\u4e24\u4e2a(0002)\u9762\u4e0a\u7684\u8fde\u7eed\u5f62\u6838\u4e0e\u8096\u514b\u83b1\u4e0d\u5168\u4f4d\u9519\u7684\u6ed1\u79fb\uff0c\u4ece\u800c\u51cf\u5c11\u7ed3\u6784\u53d8\u5316\u65f6\u4ea7\u751f\u7684\u526a\u5207\u5e94\u529b\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1aMetastable precipitate phases in Mg\u20139.8wt.%Sn alloy \u00a0<\/a>\u00a0 (Acta Mater., 2017 , DOI: 10.1016\/j.actamat.2017.10.023\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u91d1\u5c5e\u5b66\u672f\u7ec4\u91d1\u6668\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\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

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\u6750\u6599\u6d4b\u8bd5<\/strong>\u3001\u6570\u636e\u5206\u6790<\/strong>\uff0c\u4e0a\u6d4b\u8bd5\u8c37<\/a><\/strong>\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

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