{"id":120419,"date":"2018-01-11T15:27:56","date_gmt":"2018-01-11T07:27:56","guid":{"rendered":"\/\/m.iemloyee.com\/?p=120419"},"modified":"2018-01-11T15:27:56","modified_gmt":"2018-01-11T07:27:56","slug":"metall-mater-trans-a%ef%bc%9amg-gd-zr-%e5%90%88%e9%87%91%e9%80%80%e7%81%ab%e8%bf%87%e7%a8%8b%e4%b8%ad%e5%90%abag%e7%9a%84%e6%9e%90%e5%87%ba%e7%9b%b8%e7%a0%94%e7%a9%b6","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=120419","title":{"rendered":"Metall. Mater. Trans. A\uff1aMg-Gd-Zr \u5408\u91d1\u9000\u706b\u8fc7\u7a0b\u4e2d\u542bAg\u7684\u6790\u51fa\u76f8\u7814\u7a76"},"content":{"rendered":"

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

\n \u9541\u5408\u91d1\u7684\u5e94\u7528\u4e0e\u5176\u5f3a\u5ea6\u5177\u6709\u5bc6\u4e0d\u53ef\u5206\u7684\u5173\u7cfb\u3002\u56e0\u6b64\uff0cAg\u88ab\u6dfb\u52a0\u5230Mg-Gd-Ag-Zr\u5408\u91d1\u4e2d\u63d0\u9ad8\u5408\u91d1\u7684\u5f3a\u5ea6\u5f97\u5230\u5e7f\u6cdb\u7684\u5173\u6ce8\u3002\u5c3d\u7ba1\u80fd\u591f\u901a\u8fc7\u6a21\u62df\uff0c\u80fd\u591f\u83b7\u5f97\u65f6\u6548\u786c\u5316\u76f8\u63d0\u9ad8Mg-Gd-Ag-Zr\u5408\u91d1\u7684\u5f3a\u5ea6\u7684\u7ed3\u679c\u3002\u4f46\u662f\u5b9e\u9a8c\u4e2d\u5173\u4e8e\u8fd9\u65b9\u9762\u7684\u7814\u7a76\u8fd8\u5f88\u5c11\u3002\u5176\u4e2d\uff0c Mg-Gd-Zr\u5408\u91d1\u4e2d\u80fd\u591f\u5f62\u6210\u03b2\u578b\u6790\u51fa\u76f8\uff0cMg-Gd\u5408\u91d1\u4f53\u7cfb\u4e2d\u80fd\u591f\u5f62\u6210\u03b2\u201d\u76f8\u3001\u03b2\u2019\u76f8\u3001\u03b21<\/sub>\u76f8\u548c\u03b2\u76f8\u3002\u5c3d\u7ba1\uff0c\u8fd9\u56db\u79cd\u76f8\u5df2\u7ecf\u5728\u6587\u732e\u4e2d\u6709\u6240\u62a5\u9053\uff0c\u4f46\u662f\u5728Mg-Gd\u548cMg-RE\u5408\u91d1\u4f53\u7cfb\u4e2d\uff0c\u5b9e\u9a8c\u548c\u6a21\u62df\u76f8\u7ed3\u5408\u7684\u7814\u7a76\u7ed3\u679c\u4ecd\u4e0d\u5b8c\u5584\u3002\u9996\u5148\uff0c\u03b2\u201d\u76f8\u7684\u5f62\u6210\u5b58\u5728\u4e89\u8bae\uff1b\u5176\u6b21\uff0c\u5728Mg-Gd\u5408\u91d1\uff0c\u9000\u706b\u65e9\u671f\u7684\u6709\u5e8f\u539f\u5b50\u56e2\u7c07\u548cGP\u533a\u7684\u7814\u7a76\u4ecd\u4e0d\u6e05\u695a\uff1b\u53e6\u5916\uff0c\u03b2F\u2019\u4e9a\u7a33\u76f8\u7684\u5f62\u8c8c\u3001\u5206\u5e03\u548c\u8f6c\u53d8\u8fc7\u7a0b\u4ecd\u7136\u503c\u5f97\u7814\u7a76\u3002\u56e0\u6b64\uff0c\u91c7\u7528\u5927\u89d2\u5ea6\u73af\u5f62\u6697\u573a\u626b\u63cf\u900f\u5c04\u7535\u955c\uff08HAADF-STEM\uff09\u8fd9\u79cd\u5148\u8fdb\u7684\u6d4b\u8bd5\u6d4b\u8bd5\u624b\u6bb5\uff0c\u80fd\u591f\u5b8c\u5584\u9000\u706b\u8fc7\u7a0b\u4e2d\u6790\u51fa\u76f8\u7684\u7814\u7a76\uff0c\u63ed\u793a\u9ad8\u5f3a\u5ea6Mg-Gd-Ag-Zr\u5408\u91d1\u7684\u589e\u5f3a\u673a\u5236\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u4e0a\u6d77\u4ea4\u901a\u5927\u5b66<\/strong>\u7684\u5f6d\u7acb\u660e\u6559\u6388<\/strong>\u548c\u83ab\u7eb3\u4ec0\u5927\u5b66<\/strong>\u7684Nick Birbilis<\/strong>\uff08\u901a\u8baf\u4f5c\u8005<\/strong>\uff09\u7b49\u4eba\uff0c\u62a5\u9053\u4e86Mg-Gd-Zr\u5408\u91d1\u9000\u706b\u8fc7\u7a0b\u4e2d\uff0c\u542b\u94f6\u7684\u4e0d\u540c\u7c7b\u578b\u76f8\u7684\u5f62\u6210\u53ca\u5176\u7ed3\u6784\u7279\u70b9\u3002\u539f\u5b50\u767e\u5206\u6bd4\u4e3aMg-2.4Gd-0.4Ag-0.1Zr\u5408\u91d1\u5177\u6709\u9ad8\u5f3a\u5ea6\u7279\u70b9\uff0c\u5176\u9000\u706b\u8fc7\u7a0b\u4e2d\u5f62\u6210\u7684\u6790\u51fa\u76f8\uff0c\u91c7\u7528\u5927\u89d2\u5ea6\u73af\u5f62\u6697\u573a\u626b\u63cf\u900f\u5c04\u7535\u955c\uff08HAADF- STEM\uff09\u89c2\u5bdf\u3002\u7814\u7a76\u53d1\u73b0\uff0c\u6790\u51fa\u76f8\u5305\u62ec\u03b2\u578b\u548c\u03b3\u578b\u4e24\u79cd\u3002\u03b3\u578b\u6790\u51fa\u76f8\u662f\u76ee\u524d\u8fd8\u6ca1\u88ab\u62a5\u9053\u7684\u65b0\u76f8\u3002\u03b3\u578b\u6790\u51fa\u76f8\u662f\u672c\u6587\u7814\u7a76\u7684\u91cd\u70b9\u3002\u03b2\u578b\u6790\u51fa\u76f8\u7684\u6790\u51fa\u8fc7\u7a0b\u662f\u8fc7\u9971\u548c\u7684\u56fa\u6eb6\u4f53\u2192\u6709\u5e8f\u7684\u539f\u5b50\u56e2\u7c07\u2192Z\u5b57\u5f62\u7684GP\u533a\u2192\u03b2\u2019\u2192\u03b2F<\/sub>\u2019\u2192\u03b21<\/sub>\u2192\u03b2\u3002Mg-Gd\u4f53\u7cfb\u4e2d\u7684\u03b2\u578b\u6790\u51fa\u76f8\u7684\u987a\u5e8f\u4e3a\u6709\u5e8f\u7684\u56fa\u6eb6\u56e2\u7c07\u3001Z\u5b57\u5f62\u7684GP\u533a\u548c\u03b2F<\/sub>\u6790\u51fa\u76f8\uff0c\u4f46\u662f\u6ca1\u6709\u03b2\u201d\u6790\u51fa\u76f8\u3002\u03b2\u2019\u76f8\u7684\u5f62\u6210\u8fc7\u7a0b\u91c7\u7528\u03b2\u2019\u76f8\u7c97\u5316\u7684\u5e94\u53d8\u573a\u6a21\u62df\u3002\u56e0\u6b64\uff0c\u03b2F<\/sub>\u2019\u76f8\u80fd\u591f\u4e3a\u03b21<\/sub>\u76f8\u63d0\u4f9b\u66f4\u5408\u9002\u7684\u5f62\u6838\u4f4d\u70b9\u3002\u03b3\u578b\u76f8\u7684\u6790\u51fa\u987a\u5e8f\u662f\u8fc7\u9971\u548c\u56fa\u6eb6\u4f53\u2192GP\u533a\u2192\u03b3\u2019\u201d\u2192\u03b3\u201d\u2192\u03b3\u76f8\u3002\u5728\u6587\u4e2dGP\u533a\u3001\u03b3\u2019\u201d\u3001\u03b3\u201d\u548c\u03b3\u6790\u51fa\u76f8\u7684\u6676\u4f53\u7ed3\u6784\u3001\u663e\u5fae\u5f62\u8c8c\u548c\u65b9\u5411\u6027\u7ed9\u4e88\u4e86\u8be6\u7ec6\u62a5\u9053\u3002\u540c\u65f6\u8be6\u7ec6\u9610\u8ff0\u4e86\u542bAg\u7684Mg-Gd\u6790\u51fa\u76f8\u7684\u5f62\u6210\u673a\u7406\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201cOn the Precipitation in an Ag-Containing Mg-Gd-Zr Alloy<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Metallurgical and Materials Transactions A<\/strong>\u4e0a\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe1 \u4e0d\u540c\u6e29\u5ea6\u4e0bMg-2.4Gd-0.4Ag-0.1Zr\u5408\u91d1\u7684\u65f6\u6548\u786c\u5316\u66f2\u7ebf<\/strong><\/p>\n

\"\"<\/p>\n

\u4e0d\u540c\u9000\u706b\u65f6\u95f4\u4e0b\uff0cMg-2.4Gd-0.4Ag-0.1Zr\u5408\u91d1\u5728250\u2103\uff08\u9ed1\u8272\u7ebf\uff09\u3001200\u2103\uff08\u7ea2\u8272\u7ebf\uff09\u3001150\u2103\uff08\u84dd\u8272\u7ebf\uff09\u7684\u65f6\u6548\u786c\u5316\u66f2\u7ebf<\/p>\n

\u56fe2 \u4e0d\u540c\u6e29\u5ea6\u548c\u65f6\u95f4\u6790\u51fa\u76f8\u7684HAADF-STEM\u56fe\u50cf<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) (b<\/strong>) (c<\/strong>) (d<\/strong>) \u662f\u5728150\u2103\u5206\u522b\u9000\u706b32 h\u3001128 h\u3001512 h\u3001\u548c2048 h\u7684HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n

(e<\/strong>) (f<\/strong>) (g<\/strong>) (h<\/strong>) \u662f\u5728200\u2103\u5206\u522b\u9000\u706b32 h\u3001128 h\u3001512 h\u3001\u548c2048 h\u7684HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n

(i<\/strong>) (j<\/strong>) (k<\/strong>) (l<\/strong>) \u662f\u5728250\u2103\u5206\u522b\u9000\u706b32 h\u3001128 h\u3001512 h\u3001\u548c1024 h\u7684HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n

\u56fe3 \u5728150\u2103\u3001128 h\u9000\u706b\u65f6\uff0c\u4e0d\u540c\u6790\u51fa\u76f8\u7684HAADF-STEM\u56fe\u50cf<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) \u539f\u5b50\u5206\u8fa8\u7387\u4e0b\u7684\u6709\u5e8f\u539f\u5b50\u56e2\u7c07\u7684HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n

\n (b<\/strong>) <2-1-10>\u03b1<\/sub>\u65b9\u5411\u4e0a\u7684\u5355\u5c42\u5bc6\u6392\u9762\u4e0a\u539f\u5b50\u7c07\u7684HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n

\n (c) <01-10>\u03b1<\/sub>\u65b9\u5411\u4e0a\u7684\u5355\u5c42\u5bc6\u6392\u9762\u4e0a\u539f\u5b50\u7c07\u7684HAADF-STEM\u56fe\u50cf\u3002<\/p>\n

\u56fe4 \u5728200\u2103\u300132 h\u9000\u706b\u65f6\uff0c\u5e73\u884c\u4e8e[0001]\u03b1<\/sub>\u7684HAADF-STEM\u5fae\u89c2\u56fe\u50cf<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) \u4e2d\u7684\u63d2\u56fe\u662f\u533a\u57dfA\u7684\u653e\u5927\u56fe\uff1b<\/p>\n

\n (b<\/strong>) \u662f (a) \u4e2dB\u533a\u57df\u7684\u653e\u5927\u56fe\uff1b<\/p>\n

\n (c<\/strong>) \u662f (a) \u4e2dC\u533a\u57df\u7684\u653e\u5927\u56fe\u3002<\/p>\n

\u56fe5 \u5728200\u2103\u300132 h\u65f6\uff0c\u7535\u5b50\u675f\u5e73\u884c\u4e8e\u03b1-Mg\u4e0d\u540c\u65b9\u5411\u7684HAADF-STEM\u56fe\u50cf<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) \u662f\u7535\u5b50\u675f\u5e73\u884c\u4e8e<2-1-1 0>\u03b1<\/sub>\u65b9\u5411\u4e0a\uff0c\u4f4e\u500d\u7684HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n

(b<\/strong>) \u662f (a) \u4e2dB\u533a\u57df\u7684\u653e\u5927\u56fe\uff1b<\/p>\n

(c<\/strong>) \u662f (a) \u4e2dC\u533a\u57df\u7684\u653e\u5927\u56fe\uff1b<\/p>\n

(d<\/strong>)\u662f\u7535\u5b50\u675f\u5e73\u884c\u4e8e<01-10>\u03b1<\/sub>\u65b9\u5411\u4e0a\u7684HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n

(e<\/strong>) \u662f (d) \u4e2dE\u533a\u57df\u7684\u653e\u5927\u56fe\uff1b<\/p>\n

(f<\/strong>) \u662f (d) \u4e2dF\u533a\u57df\u7684\u653e\u5927\u56fe\uff1b<\/p>\n

(g<\/strong>) \u662f<2-1-10>\u03b1<\/sub>\u6676\u76f8\u65cf\uff0c\u03b3\u201d\u2019\u76f8\u7684HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n

(h<\/strong>) \u662f<2-1-10>\u03b1<\/sub>\u6676\u76f8\u65cf\uff0c\u03b3\u201d\u76f8\u7684HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n

(i<\/strong>) \u662f<01-10>\u03b1<\/sub>\u6676\u76f8\u65cf\uff0c\u03b3\u201d\u2019\u76f8\u7684HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n

(j<\/strong>) \u662f<01-10>\u03b1<\/sub>\u6676\u76f8\u65cf\uff0c\u03b3\u201d\u76f8\u7684HAADF-STEM\u56fe\u50cf\u3002<\/p>\n

\u56fe6 \u03b3\u201d\u2019\u76f8\u7684\u539f\u5b50\u6a21\u578b\u89c2\u5bdf<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) \u03b1-Mg\u57fa\u4f53\u4e0a\u6eb6\u8d28\u539f\u5b50\u5728\u5bc6\u5806\u79ef\u5c42A\u4e2d\u7684\u5206\u5e03\uff1b<\/p>\n

(b<\/strong>) \u03b1-Mg\u57fa\u4f53\u4e0a\u6eb6\u8d28\u539f\u5b50\u5728\u5bc6\u5806\u79ef\u5c42B\u4e2d\u7684\u5206\u5e03\uff1b<\/p>\n

(c<\/strong>) \u6cbf[0001]\u03b1<\/sub>\u65b9\u5411\u4e0a\uff0c\u89c2\u5bdf\u5230\u03b3\u201d\u2019\u76f8\u56fe\u50cf\uff1b<\/p>\n

(d<\/strong>) \u6cbf[2-1-10]\u03b1<\/sub>\u65b9\u5411\u4e0a\uff0c\u89c2\u5bdf\u5230\u03b3\u201d\u2019\u76f8\u56fe\u50cf\uff1b<\/p>\n

(e<\/strong>) \u6cbf[10-10]\u03b1<\/sub>\u65b9\u5411\u4e0a\uff0c\u89c2\u5bdf\u5230\u03b3\u201d\u2019\u76f8\u56fe\u50cf\uff1b<\/p>\n

(f<\/strong>) \u6cbf[01-10]\u03b1<\/sub>\u65b9\u5411\u4e0a\uff0c\u89c2\u5bdf\u5230\u03b3\u201d\u2019\u76f8\u56fe\u50cf\uff1b<\/p>\n

(g<\/strong>) \u03b3\u201d\u2019\u76f8\u7684\u6676\u80de\u56fe\uff1b<\/p>\n

(h<\/strong>) <2-1-10>\u03b1<\/sub>\u6676\u76f8\u65cf\u4e0a\uff0c\u03b1-Mg\u76f8\u548c\u03b3\u201d\u2019\u76f8\u7684\u6a21\u62df\u884d\u5c04\u82b1\u6837\uff1b<\/p>\n

(i<\/strong>) <01-1-10>\u03b1<\/sub>\u6676\u76f8\u65cf\u4e0a\uff0c\u03b1-Mg\u76f8\u548c\u03b3\u201d\u2019\u76f8\u7684\u6a21\u62df\u884d\u5c04\u82b1\u6837\uff1b<\/p>\n

(j<\/strong>) [0001]\u03b1<\/sub>\u6676\u5e26\u8f74\u4e0a\uff0c\u03b1-Mg\u76f8\u548c\u03b3\u201d\u2019\u76f8\u7684\u6a21\u62df\u884d\u5c04\u82b1\u6837\uff1b<\/p>\n

(k<\/strong>) [0001]\u03b1<\/sub>\u6676\u5e26\u8f74\u4e0a\uff0c\u03b1-Mg\u76f8\u548c\u03b3\u201d\u2019\u76f8\u7684\u6a21\u62df\u884d\u5c04\u82b1\u6837\u7684FFT\u53d8\u6362\u56fe\u3002<\/p>\n

\u56fe7 \u03b3\u201d\u76f8\u7684\u5fae\u89c2\u7ed3\u6784\u53ca\u5176\u539f\u5b50\u6a21\u578b\u89c2\u5bdf<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) \u4f4e\u500d\u03b3\u201d\u76f8\u7684\u663e\u5fae\u7ed3\u6784\u56fe\u50cf\uff1b<\/p>\n

(b<\/strong>) \u662f (a) \u56fe\u4e2d\u7ebf\u6846\u4e2d\u7684\u653e\u5927\u56fe\uff1b<\/p>\n

(c<\/strong>) \u03b3\u201d\u76f8\u7684\u6676\u80de\u56fe\uff1b<\/p>\n

(d<\/strong>) \u662f (c) \u5728[0001]\u03b1<\/sub>\u65b9\u5411\u4e0a\uff0c\u03b3\u201d\u76f8\u7684\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe8 \u5728250\u2103\u3001\u9000\u706b256 h\u65f6\uff0c\u6790\u51fa\u76f8\u7684\u663e\u5fae\u7ed3\u6784\u53ca\u5176\u6a21\u62df\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) \u5728250\u2103\u3001\u9000\u706b256 h\u65f6\uff0c\u6790\u51fa\u76f8\u7684HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n

(b<\/strong>) \u662f (a) \u4e2dB\u533a\u57df\u7684\u653e\u5927\u56fe\uff1b<\/p>\n

(c<\/strong>) \u662f (a) \u4e2dC\u533a\u57df\u7684\u653e\u5927\u56fe\uff1b<\/p>\n

(d<\/strong>) \u5728[0001]\u03b1<\/sub>\u65b9\u5411\u4e0a\uff0c\u03b2F<\/sub>\u2019\u76f8\u7684\u793a\u610f\u56fe\uff1b<\/p>\n

(e<\/strong>) \u5728[0001]\u03b1<\/sub>\u65b9\u5411\u4e0a\uff0c\u03b2\u2019\u76f8\u7684\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe9 \u5728250\u2103\u3001\u9000\u706b512 h\u65f6\uff0c\u6837\u54c1\u7684\u663e\u5fae\u7ed3\u6784\u53ca\u5176EDS\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) \u5728250\u2103\u3001\u9000\u706b512 h\uff0c[0001]\u03b1\u65b9\u5411\u4e0a\uff0c\u6837\u54c1\u7684\u663e\u5fae\u5f62\u8c8c\u56fe\uff1b<\/p>\n

(b<\/strong>) \u662f (a) \u4e2dA\u533a\u57df\u7684\u653e\u5927\u56fe\uff1b<\/p>\n

(c<\/strong>) (d<\/strong>) (e<\/strong>) \u662f (a) \u4e2dB\u533a\u57df\u7684EDS\u56fe\uff1b<\/p>\n

(f<\/strong>) (g<\/strong>) (h<\/strong>) \u662f (a) \u4e2dC\u533a\u57df\u7684EDS\u56fe\u3002<\/p>\n

\u56fe10 \u5728\u03b2\u2019\u76f8\u8fb9\u4e0a\uff0c\u03b2F<\/sub>\u2019\u76f8\u7684\u5f62\u6210\u793a\u610f\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) \u662f\u03b2\u2019\u76f8\u7684\u4e24\u6bb5Z\u578b\u56e2\u7c07\u79fb\u52a81\/3<-1110>\u03b1<\/sub>\u6216\u80051\/3<2-1-10>\u03b1<\/sub>\uff0c\u5f62\u6210\u9519\u4f4d\u7684Z\u578b\u6392\u5217\uff1b<\/p>\n

(b<\/strong>) \u662f\u03b2\u2019\u76f8\u7684\u4e00\u6bb5Z\u578b\u56e2\u7c07\u79fb\u52a81\/3<-1110>\u03b1<\/sub>\u6216\u80051\/3<2-1-10>\u03b1<\/sub>\uff0c\u5f62\u6210\u9519\u4f4d\u7684Z\u578b\u6392\u5217\u3002<\/p>\n

\u56fe11 \u5728250\u2103\u3001\u9000\u706b512 h\u65f6\uff0c\u03b3\u201d\u2019\u76f8\u548c\u03b3\u201d\u76f8\u7684\u663e\u5fae\u7ed3\u6784\u53ca\u5176\u8f6c\u53d8\u793a\u610f\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) \u5728250\u2103\u3001\u9000\u706b512 h\u65f6\uff0c<-1110>\u03b1<\/sub>\u6676\u5e26\u8f74\uff0c\u03b3\u201d\u2019\u548c\u03b3\u201d\u6790\u51fa\u76f8\u8fb9\u754c\u7684\u7684HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n

(b<\/strong>) \u5728[0001]\u03b1<\/sub>\u65b9\u5411\u4e0a\uff0c\u03b3\u201d\u2019\u548c\u03b3\u201d\u6790\u51fa\u76f8\u7684\u793a\u610f\u56fe\uff1b<\/p>\n

(c<\/strong>) \u03b1-Mg\u76f8\u6676\u80de\u8f6c\u53d8\u6210\u03b3\u201d\u76f8\u6676\u80de\u7684\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe12 \u5728250\u2103\u3001\u9000\u706b128 h\u65f6\uff0c\u03b21<\/sub>\u76f8\u5728\u03b2F<\/sub>\u2019\u76f8\u9644\u8fd1\u5f62\u6838\u7684\u663e\u5fae\u5f62\u8c8c\u53ca\u5176\u5f62\u6210\u793a\u610f\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) \u03b21<\/sub>\u76f8\u5728\u03b2F<\/sub>\u2019\u76f8\u7684\u9644\u8fd1\u5f62\u6838\u7684HAADF-STEM\u56fe\uff1b<\/p>\n

(b<\/strong>) \u662f (a) \u4e2d\u7ebf\u6846\u533a\u57df\u7684\u653e\u5927\u56fe\uff1b<\/p>\n

(c<\/strong>) \u5728[0001]\u03b1<\/sub>\u65b9\u5411\u4e0a\uff0c\u03b21<\/sub>\u76f8\u7684\u793a\u610f\u56fe\uff1b<\/p>\n

(d<\/strong>) \u5728<-1110>\u03b21<\/sub>(\/\/[0001]\u03b1<\/sub>)\u65b9\u5411\u4e0a\uff0c\u03b21<\/sub>\u76f8\u7684\u793a\u610f\u56fe\u3002<\/p>\n

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

\u672c\u6587\u7814\u7a76\u53d1\u73b0Mg-2.4Gd-0.4Ag-0.1Zr\u7684\u6790\u51fa\u76f8\u5305\u542b\u03b2\u578b\u548c\u03b3\u4e24\u79cd\u3002\u5728\u9000\u706b\u521d\u671f\uff0c\u516d\u89d2\u5f62\u7684\u539f\u5b50\u56e2\u7c07\u6bd4\u5176\u4ed6\u7c7b\u578b\u7684\u56e2\u7c07\u542b\u6709\u66f4\u9ad8\u7684\u7a33\u5b9a\u6027\u3002\u6790\u51fa\u76f8\u5f62\u6210\u8fc7\u7a0b\u4e2d\uff0cZ\u578b\u7684GP\u533a\u5f62\u6210\u03b2\u76f8\uff0c\u5e95\u90e8\u7684GP\u533a\u5f62\u6210\u03b3\u2019\u201d\u76f8\u3002\u03b3\u2019\u201d\u662f\u672c\u6587\u53d1\u73b0\u7684\u4e00\u79cd\u65b0\u76f8\u3002\u03b3\u2019\u201d\u76f8\u5c5e\u4e8e\u659c\u65b9\u6676\u683c\uff0c\u5176\u5e38\u6570\u662fa = 0.548 nm, b = 0.949 nm, c = 0.546 nm\uff0c\u4e0e\u03b1-Mg\u76f8\u7684\u5173\u7cfb\u662f(100)\u03b3\u2019\u201d<\/sub>\/\/{10-10}\u03b1<\/sub>\uff0c [001]\u03b3\u2019\u201d<\/sub>\/\/[0001]\u03b1<\/sub>\u3002\u03b3\u201d\u76f8\u5c5e\u4e8e\u516d\u65b9\u6676\u683c\uff0c\u5176\u5e38\u6570\u4e3a(a = 0.548 nm\uff0c c = 0.417 nm)\uff0c\u4e0e\u03b1-Mg\u76f8\u7684\u5173\u7cfb\u662f(0001)\u03b3\u201d<\/sub>\/\/(0001)\u03b1<\/sub>\uff0c <10-10>\u03b3\u2019\u201d<\/sub>\/\/<2-1-10>\u03b1<\/sub>\u3002\u5e76\u4e14\uff0c\u03b3\u2019\u201d\u76f8\u80fd\u591f\u8f6c\u53d8\u6210\u03b3\u201d\u76f8\u3002\u53e6\u5916\uff0c\u5f53\u8fc7\u65f6\u6548\u65f6\uff0c\u03b21<\/sub>\u76f8\u548c\u03b2F<\/sub>\u2019\u76f8\u5f62\u6210\u3002\u5176\u4e2d\uff0c\u03b2F<\/sub>\u2019\u76f8\u5f62\u6210\u65f6\u4f34\u968f\u7740\u03b21<\/sub>\u76f8\u7684\u7c97\u5316\uff0c\u5e76\u4e14\u4e3a\u03b21<\/sub>\u76f8\u5f62\u6210\u63d0\u4f9b\u66f4\u5408\u9002\u7684\u7ed3\u6784\u548c\u5316\u5b66\u4f4d\u70b9\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>“On the Precipitation in an Ag-Containing Mg-Gd-Zr Alloy<\/a>” (Metall. Mater. Trans. A, 2017, DOI: 10.1007\/s11661-017-4440-z )\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

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u5f20\u91d1\u9633\u7f16\u8bd1\uff0c\u9648\u70b3\u65ed\u5ba1\u6838\u3002<\/p>\n

\u6750\u6599\u725b\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\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n

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

\u3010\u5f15\u8a00\u3011 \u9541\u5408\u91d1\u7684\u5e94\u7528\u4e0e\u5176\u5f3a\u5ea6\u5177\u6709\u5bc6\u4e0d\u53ef\u5206\u7684\u5173\u7cfb\u3002\u56e0\u6b64\uff0cAg\u88ab\u6dfb\u52a0\u5230Mg-Gd-Ag-Zr\u5408\u91d1\u4e2d\u63d0\u9ad8\u5408\u91d1\u7684\u5f3a\u5ea6\u5f97\u5230\u5e7f\u6cdb\u7684\u5173\u6ce8\u3002\u5c3d\u7ba1\u80fd\u591f\u901a\u8fc7\u6a21\u62df\uff0c\u80fd\u591f\u83b7\u5f97\u65f6\u6548\u786c\u5316…<\/p>\n","protected":false},"author":230,"featured_media":120426,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[346],"class_list":["post-120419","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","tag-metal"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/120419"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/230"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=120419"}],"version-history":[{"count":8,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/120419\/revisions"}],"predecessor-version":[{"id":121105,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/120419\/revisions\/121105"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/120426"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=120419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=120419"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=120419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}