{"id":243362,"date":"2022-10-20T06:35:53","date_gmt":"2022-10-19T22:35:53","guid":{"rendered":"\/\/m.iemloyee.com\/?p=243362"},"modified":"2022-10-18T22:50:51","modified_gmt":"2022-10-18T14:50:51","slug":"%e8%a5%bf%e5%8d%97%e4%ba%a4%e5%a4%a7rmit-nat-commun-%e9%a2%84%e6%b5%8b%e5%90%88%e9%87%91%e7%b3%bb%e7%bb%9f%e5%87%9d%e5%9b%ba%e6%99%b6%e7%95%8c%e8%bf%81%e7%a7%bb%e7%8e%b0%e8%b1%a1","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=243362","title":{"rendered":"\u897f\u5357\u4ea4\u5927&#038;RMIT Nat. Commun.: \u9884\u6d4b\u5408\u91d1\u7cfb\u7edf\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u73b0\u8c61"},"content":{"rendered":"<p><strong>\u3010\u524d\u6cbf\u3011<\/strong><\/p>\n<p>\u6676\u754c\u662f\u4e0d\u540c\u53d6\u5411\u6676\u4f53\u4e4b\u95f4\u7684\u754c\u9762\uff0c\u662f\u591a\u6676\u6750\u6599\u7684\u4e00\u4e2a\u57fa\u672c\u7ec4\u6210\u8981\u7d20\uff0c\u5bf9\u6750\u6599\u6240\u6709\u7684\u6027\u80fd\u51e0\u4e4e\u90fd\u6709\u5f71\u54cd\u3002\u51dd\u56fa\u662f\u5927\u90e8\u5206\u91d1\u5c5e\u6750\u6599\u53ca\u96f6\u90e8\u4ef6\u5236\u9020\u8fc7\u7a0b\u4e2d\u7684\u4e00\u4e2a\u6838\u5fc3\u73af\u8282\u6216\u7ec8\u7aef\u5236\u9020\u5de5\u827a\uff0c\u5305\u62ec\u91d1\u5c5e\u589e\u6750\u5236\u9020\u62163D\u6253\u5370\u3002\u91d1\u5c5e\u51dd\u56fa\u6676\u754c\uff08SGB\uff09\u7684\u5f62\u6210\u6e90\u4e8e\u4e24\u4e2a\u4e0d\u540c\u53d6\u5411\u76f8\u90bb\u6676\u7c92\u4e4b\u95f4\u6700\u540e\u6db2\u819c\u7684\u51dd\u56fa\uff08\u6db2\u819c\u539a\u5ea6\u7ea6\u4e3a~1nm\uff09\u3002\u56e0\u6b64\uff0c\u51dd\u56fa\u521a\u7ed3\u675f\u540e\u6676\u754c\u7684\u6210\u5206\u53ef\u4ee5\u770b\u4f5c\u662f\u6700\u540e\u9636\u6bb5\u5269\u4f59\u6db2\u819c\u7684\u6210\u5206\u3002\u5bf9\u5927\u90e8\u5206\u5408\u91d1\u6765\u8bb2 \uff08\u6eb6\u8d28\u5206\u914d\u7cfb\u6570 <em>k<\/em> &lt; 1\uff09\uff0c \u6700\u540e\u6db2\u819c\u4e5f\u662f\u6eb6\u8d28\u539f\u5b50\u6216\u6742\u8d28\u539f\u5b50\u7684\u5bcc\u96c6\u533a\u3002<\/p>\n<p>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u51dd\u56fa\u540e\u6676\u754c\u7684\u4f4d\u7f6e\u5e94\u8be5\u5c31\u662f\u6700\u540e\u6db2\u819c\u7684\u4f4d\u7f6e\uff0c \u5982\u793a\u610f\u56fe1a\u6240\u793a\u3002\u7136\u800c\uff0c\u5b9e\u9a8c\u89c2\u5bdf\u53d1\u73b0\uff0c\u5f88\u591a\u60c5\u51b5\u4e0b\uff0c\u51dd\u56fa\u540e\u6676\u754c\u7684\u4f4d\u7f6e\u660e\u663e\u504f\u79bb\u6700\u540e\u6db2\u819c\u7684\u4f4d\u7f6e\uff0c\u5982\u793a\u610f\u56fe1b\u6240\u793a\u3002 \u8fd9\u4e00\u73b0\u8c61\u53ef\u6982\u62ec\u79f0\u4e4b\u4e3a\u51dd\u56fa\u6676\u754c\u7684\u8fc1\u79fb\uff08SGBM\uff09\u3002 \u9700\u8981\u5f3a\u8c03\u7684\u662f\uff0c \u4e0e\u518d\u7ed3\u6676\u6216\u6676\u7c92\u957f\u5927\u8fc7\u7a0b\u4e2d\u7684\u6676\u754c\u8fc1\u79fb\u73b0\u8c61\u4e0d\u540c\uff0c\u51dd\u56fa\u6676\u754c\u7684\u8fc1\u79fb\u76f4\u63a5\u5bfc\u81f4\u5176\u4e0e\u6700\u540e\u5f62\u6210\u7684\u6eb6\u8d28\u6216\u6742\u8d28\u5bcc\u96c6\u533a\u5206\u79bb\u3002\u8fd9\u79cd\u5206\u79bb\u53ef\u6709\u6548\u5730\u6d88\u9664\u6216\u6291\u5236\u51dd\u56fa\u7ec4\u7ec7\u4e2d\u7531\u4e8e\u56e0\u6676\u754c\u4e0e\u6eb6\u8d28\u6216\u6742\u8d28\u539f\u5b50\u5bcc\u96c6\u533a\u91cd\u53e0\u800c\u5e26\u6765\u7684\u4e00\u7cfb\u5217\u4e0d\u5229\u5f71\u54cd\u3002\u5177\u4f53\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762 \uff1a\uff081\uff09\u53ef\u6709\u6548\u6291\u5236\u7531\u4e8e\u51dd\u56fa\u6676\u754c\u4e0e\u6eb6\u8d28\u504f\u6790\u91cd\u5408\u800c\u5bfc\u81f4\u7684\u6676\u95f4\u8150\u8680\uff0c \uff082\uff09 \u53ef\u907f\u514d\u6216\u6291\u5236\u5728\u710a\u63a5\u548c\u589e\u6750\u5236\u9020\u8fc7\u7a0b\u4e2d\uff0c\u7531\u4e8e\u53cd\u590d\u52a0\u70ed\u800c\u9020\u6210\u7684\u5728\u6676\u754c\u548c\u663e\u5fae\u504f\u6790\u91cd\u5408\u533a\u70ed\u88c2\u7eb9\u6216\u6db2\u5316\u88c2\u7eb9\u7684\u5f62\u6210\u503e\u5411\uff1b\uff083\uff09\u53ef\u51cf\u5c11\u6676\u754c\u4e09\u53c9\u70b9\u5904\u7684\u6b8b\u4f59\u5e94\u529b &#8211; \u8fd9\u4e9b\u5e94\u529b\u4f1a\u50ac\u751f\u88c2\u7eb9\u7684\u840c\u751f\uff1b\u4ee5\u53ca\uff084\uff09\u53ef\u964d\u4f4e\u56e0\u6eb6\u8d28\u504f\u6790\u5728\u6676\u754c\u5f62\u6210\u7b2c\u4e8c\u76f8\u800c\u5f15\u8d77\u7684\u6676\u95f4\u65ad\u88c2\uff08\u4f8b\u5982\uff0c\u710a\u63a5\u6216\u589e\u6750\u5236\u9020\u8fc7\u7a0b\u4e2d\u7684\u53cd\u590d\u52a0\u70ed\u53ef\u8bf1\u5bfc\u7b2c\u4e8c\u76f8\u5f62\u6210\uff09\u3002<\/p>\n<p>\u5c3d\u7ba1\u65e9\u57281961\u5e74\u5c31\u6709\u5b66\u8005\u6ce8\u610f\u5230\u91d1\u5c5e\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u73b0\u8c61\u5e76\u8fdb\u884c\u4e86\u8bb8\u591a\u7cfb\u7edf\u6027\u7684\u5b9e\u9a8c\u7814\u7a76\uff0c\u5c24\u5176\u662f\u5728\u710a\u63a5\u9886\u57df\uff0c\u4f46\u957f\u671f\u4ee5\u6765\u5bf9\u5f71\u54cd\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u7684\u57fa\u672c\u56e0\u7d20\uff0c\u5305\u62ec\u5408\u91d1\u6eb6\u8d28\u539f\u5b50\u7c7b\u578b\u548c\u542b\u91cf\u3001\u51b7\u5374\u901f\u5ea6\u3001\u6676\u7c92\u5c3a\u5bf8\u7b49\u7684\u5f71\u54cd\uff0c\u7f3a\u4e4f\u6df1\u7a76\uff0c\u4ea6\u65e0\u5177\u4f53\u7684\u8bc4\u4ef7\u6307\u6807\u3002\u56e0\u800c\uff0c\u5728\u672c\u5de5\u4f5c\u5f00\u59cb\u524d\uff0c\u6ca1\u6709\u7406\u8bba\u6a21\u578b\u53ef\u4ee5\u9884\u6d4b\u91d1\u5c5e\u51dd\u56fa\u6676\u754c\u7684\u8fc1\u79fb\u3002\u5728\u6b64\u80cc\u666f\u4e0b\uff0c\u897f\u5357\u4ea4\u901a\u5927\u5b66\u9648\u8f89\u6559\u6388\u8bfe\u9898\u7ec4\u7684\u5218\u7ea2\u6885\u7b49\u8001\u5e08\u4e0e\u7687\u5bb6\u58a8\u5c14\u672c\u7406\u5de5\u5927\u5b66\u6770\u51fa\u6559\u6388\u9a6c\u524d\u56e2\u961f\u5408\u4f5c\u7814\u7a76\u4e86\u51dd\u56fa\u6676\u754c\u7684\u8fc1\u79fb\u95ee\u9898\uff0c\u5efa\u7acb\u4e86\u7406\u8bba\u6a21\u578b\uff0c\u6210\u529f\u9884\u6d4b\u4e86\u591a\u5408\u91d1\u7cfb\u7edf\u7684\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u73b0\u8c61\u3002<\/p>\n<p><strong>\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n<p>\u4f5c\u8005\u9996\u5148\u4ee5\u4e8c\u5143\u9541-\u9521\uff08Mg-Sn\uff09\u5408\u91d1\u4e3a\u4f8b\uff0c\u8be6\u7ec6\u7814\u7a76\u4e86\u5728\u51b7\u5374\u901f\u5ea6\u4ece8 \u00b0C\/s\u52301690 \u00b0C\/s\u7684\u8303\u56f4\u5185\uff0c\u5176\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u7684\u7279\u5f81\u53ca\u8fc1\u79fb\u540e\u7684\u7a33\u5b9a\u6027\u3002\u7814\u7a76\u53d1\u73b0: (i) \u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u7684\u7a0b\u5ea6\u968f\u6eb6\u8d28\u542b\u91cf\u589e\u52a0\u800c\u53d8\u5f31\uff0c\u4f46\u9664\u975e\u5f62\u6210\u5927\u91cf\u7684\u5171\u6676\u76f8\uff0c\u6eb6\u8d28\u542b\u91cf\u589e\u5927\u65f6\uff0c\u5c40\u90e8\u7684\u6676\u754c\u8fc1\u79fb\u4ecd\u80fd\u53d1\u751f; \u00a0(ii) \u5728\u51b7\u901f\u8fdc\u9ad8\u4e8e\u6c34\u6dec\u7684\u60c5\u51b5\u4e0b\uff081690 \u00b0C\/s\uff09\uff0c\u51dd\u56fa\u6676\u754c\u4ecd\u80fd\u53d1\u751f\u663e\u8457\u7684\u8fc1\u79fb\uff0c\u5c5e\u4e8e\u4e0d\u53d7\u6269\u6563\u63a7\u5236\u7684\u8fc1\u79fb\uff0c \u4f46\u8fc1\u79fb\u7684\u8ddd\u79bb\u4e0e\u6676\u7c92\u5c3a\u5bf8\u6709\u5173\uff0c \uff08iii\uff09\u5728\u4f4e\u6eb6\u8d28\u542b\u91cf\u65f6\uff0c\u51dd\u56fa\u6676\u754c\u8fde\u540c\u6676\u754c\u4e09\u53c9\u70b9\u5747\u80fd\u53d1\u751f\u5927\u5e45\u5ea6\u8fc1\u79fb\uff08\u4f8b\u598250\u5fae\u7c73\u5de6\u53f3\uff09\u3002\u8fc1\u79fb\u540e\u7684\u6676\u754c\u8d8b\u5411\u4e8e\u63a5\u8fd1\u5176\u5e73\u8861\u5f62\u72b6 \uff08\u5373120\u00b0\u7684\u4e09\u53c9\u70b9\u7ed3\u6784\u4e14\u6676\u7c92\u5c3a\u5bf8<em>d<\/em>\u4e0e\u8fb9\u957f<em>a<\/em>\u7684\u6bd4\u503c\u63a5\u8fd1 \uff09\uff0c\u5e76\u4e14\u5728\u957f\u65f6\u95f4\u9ad8\u6e29\u4fdd\u6e29\u65f6\uff0c\u5176\u5f62\u72b6\u4e0e\u4f4d\u7f6e\u4fdd\u6301\u4e0d\u53d8\u3002\u800c\u672a\u8fc1\u79fb\u7684\u51dd\u56fa\u6676\u754c\u5219\u4f1a\u5728\u9ad8\u6e29\u4fdd\u6e29\u8fc7\u7a0b\u4e2d\u53d1\u751f\u8fc1\u79fb\u3002<\/p>\n<p>\u5728\u6b64\u5b9e\u9a8c\u89c2\u5bdf\u57fa\u7840\u4e0a\uff0c\u4f5c\u8005\u5229\u7528\u5409\u5e03\u65af\uff08Gibbs\uff09\u754c\u9762\u80fd\u7684\u57fa\u672c\u65b9\u7a0b\uff0c\u5728\u5047\u5b9a\u51dd\u56fa\u6676\u754c\u539a\u5ea6\u8fdc\u5c0f\u4e8e\u51dd\u56fa\u6676\u7c92\u5c3a\u5bf8\u7684\u524d\u63d0\u4e0b\uff08\u7eb3\u7c73\u5c3a\u5bf8\u7684\u51dd\u56fa\u6676\u7c92\u7ec4\u7ec7\u56e0\u800c\u9664\u5916\uff09\uff0c\u6784\u5efa\u4e86\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u7684\u7406\u8bba\u6a21\u578b\u3002\u8be5\u6a21\u578b\u7ecf\u7b80\u5316\u540e\u5305\u62ec\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u7684\u9a71\u52a8\u56e0\u5b50\u4e0e\u963b\u529b\u56e0\u5b50\u4e24\u9879\u3002\u5229\u7528\u6a21\u578b\u8fdb\u884c\u8ba1\u7b97\u7684\u96be\u70b9\u4e4b\u4e00\u5728\u4e8e\u5bf9\u51dd\u56fa\u6676\u754c\u63a5\u8fd1\u4e8e\u56fa\u76f8\u7ebf\u6e29\u5ea6\u65f6\u6676\u754c\u80fd\u7684\u8ba1\u7b97\uff0c\u5176\u4e2d\u6676\u754c\u6210\u5206\u7684\u786e\u5b9a\u662f\u5173\u952e\uff0c \u6587\u732e\u4e2d\u5e76\u65e0\u5148\u5217\u3002\u672c\u6587\u4f5c\u8005\u91c7\u7528Won-Thomas\u51dd\u56fa\u6a21\u578b\u8ba1\u7b97\u51dd\u56fa\u6700\u540e\u9636\u6bb5~1nm\u539a\u6db2\u819c\u7684\u6210\u5206, \u5de7\u5999\u5229\u7528\u4e86Won-Thomas\u6a21\u578b\u4e2d \u503c\u5bf9\u4e8e\u7a00\u6eb6\u6db2\u5408\u91d1\u57fa\u672c\u4e3a\u5e38\u6570\u7684\u7279\u70b9\uff0c\u4ece\u800c\u7ed9\u51fa\u4e86\u8ba1\u7b97\u51dd\u56fa\u6676\u754c\u80fd\u7684\u516c\u5f0f\u3002<\/p>\n<p>\u4f5c\u8005\u5229\u7528\u8be5\u6a21\u578b\u9996\u5148\u8bbe\u8ba1\u4e86Mg-Sn\uff0cMg-Al\uff0cMg-Pb\u548cMg-Zn\u5408\u91d1\u4ee5\u7814\u7a76\u5176\u51dd\u56fa\u6676\u754c\u7684\u8fc1\u79fb\u95ee\u9898\u3002\u5b9e\u9a8c\u89c2\u5bdf\u4e0e\u6a21\u578b\u9884\u6d4b\u5b8c\u5168\u543b\u5408\u3002\u4f5c\u8005\u8fdb\u800c\u5c06\u8be5\u6a21\u578b\u5e94\u7528\u4e8e\u94dd\u5408\u91d1\uff0c\u949b\u5408\u91d1\uff0c\u9506\u5408\u91d1\uff0c\u94dc\u5408\u91d1\u53ca\u94a2\uff08\u94c1\u78b3\u5408\u91d1\uff09\u517110\u4e2a\u5408\u91d1\u4f53\u7cfb\u7684\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u9884\u6d4b\u4e2d\uff0c\u8ba1\u7b97\u7ed3\u679c\u4e0e\u5b9e\u9a8c\u7ed3\u679c\u9ad8\u5ea6\u543b\u5408\u3002<\/p>\n<p><strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n<p>1.\u4ec0\u4e48\u662f\u51dd\u56fa\u6676\u754c\u8fc1\u79fb<\/p>\n<p>\u5982\u56fe1a\u6240\u793a\uff0c\u51dd\u56fa\u6676\u754c\u7684\u4f4d\u7f6e\u901a\u5e38\u4e0e\u51dd\u56fa\u540e\u4e0d\u540c\u53d6\u5411\u679d\u6676\u80de\u4e4b\u95f4\u7684\u754c\u9762\u91cd\u5408\u3002\u7136\u800c\uff0c\u5f88\u591a\u60c5\u51b5\u4e0b\uff0c\u51dd\u56fa\u6676\u754c\u53ef\u4ee5\u4e0e\u679d\u6676\u80de\u95f4\u7684\u754c\u9762\u5206\u79bb\uff0c\u5982\u56fe1b\u6240\u793a\u3002\u8be5\u73b0\u8c61\u79f0\u4e4b\u4e3a<strong>\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\uff08SGBM\uff09<\/strong>\u3002\u51dd\u56fa\u6676\u754c\u7684\u8fc1\u79fb\u53d1\u751f\u5728\u521a\u51dd\u56fa\u4f46\u63a5\u8fd1\u56fa\u76f8\u7ebf\u6e29\u5ea6\u9644\u8fd1\u3002<\/p>\n<p>\u56fe1 \u51dd\u56fa\u6676\u754c\u7684\u4f4d\u7f6e\u4e0e\u4e0d\u540c\u53d6\u5411\u679d\u6676\u80de\u95f4\u7684\u754c\u9762\u7684\u5bf9\u5e94\u5173\u7cfb\u793a\u610f\u56fe\u3002a \u5178\u578b\u91cd\u5408\u5173\u7cfb\uff1b b \u4e0e\u679d\u6676\u80de\u95f4\u7684\u754c\u9762\u5206\u79bb\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-243428\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/10\/\u65e0\u6807\u9898.png\" alt=\"\" width=\"358\" height=\"169\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/10\/\u65e0\u6807\u9898.png 358w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/10\/\u65e0\u6807\u9898-300x142.png 300w\" sizes=\"(max-width: 358px) 100vw, 358px\" \/><\/p>\n<p>2.\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u7684\u4e3b\u8981\u52a8\u529b\u4e0e\u963b\u529b<\/p>\n<p>\u56fe2\u663e\u793a\u4e86\u5728\u9884\u70ed\u7070\u94f8\u94c1\u6a21\u5177\u4e2d\u51dd\u56fa\u7684Mg-0.63 at.%Sn\uff083 wt.%Sn\uff09\u5408\u91d1\u7684\u5178\u578b\u6676\u7c92\u7ec4\u7ec7\u3002\u51dd\u56fa\u6676\u754c\u53d1\u751f\u4e86\u663e\u8457\u7684\u8fc1\u79fb\u3002\u8fc1\u79fb\u540e\u7684\u4e09\u53c9\u6676\u754c\u57fa\u672c\u4e3a120\u00b0\u7684\u60c5\u51b5\uff0c\u800c\u4e14\u8fc1\u79fb\u540e\u7684\u6676\u7c92\u591a\u4e3a\u4e94\u8fb9\u5f62\u6216\u516d\u8fb9\u5f62\uff0c\u5176\u6676\u7c92\u5c3a\u5bf8<em>d<\/em>\u4e0e\u8fb9\u957f<em>a<\/em>\u7684\u6bd4\u503c\u63a5\u8fd1 \u3002<strong>\u56e0\u6b64\uff0c\u51dd\u56fa\u6676\u754c\u7684\u8fc1\u79fb\u662f\u6676\u754c\u8d8b\u5411\u4e8e\u5e73\u8861\u6001\u7684\u8fc7\u7a0b\uff0c\u5373\u8fbe\u5230\u80fd\u91cf\u6700\u4f4e\u72b6\u6001\uff0c<\/strong>\u76f4\u89c2\u53cd\u6620\u4e3a\u6676\u754c\u9762\u79ef\u7684\u51cf\u5c11\u3002\u8fd9\u4e9b\u5b9e\u9a8c\u89c2\u5bdf\u76f4\u63a5\u786e\u5b9a\u4e86<strong>\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u7684\u9a71\u52a8\u529b\u662f\u51dd\u56fa\u521a\u7ed3\u675f\u72b6\u6001\u7684\u7cfb\u7edf\u80fd\u91cf\u4e0e\u6676\u754c\u63a5\u8fd1\u6216\u8fbe\u5230\u5e73\u8861\u6001\u65f6\u7cfb\u7edf\u80fd\u91cf\u7684\u5dee\u522b\u3002<\/strong><\/p>\n<p>\u56fe2 \u4e8c\u5143Mg-0.63at.% (3 wt.%) \u5408\u91d1\u4e2d\u7684\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u3002 <strong>a, b<\/strong> \u663e\u8457\u7684\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\uff08\u5982a\u4e2d\u7684\u7bad\u59341\u548c2\uff09\u548c\u5c40\u90e8\u5c0f\u7684\u51dd\u56fa\u6676\u754c\uff08\u5982b\u4e2d\u7684\u7bad\u59341\u548c2\uff09\u3002<strong>c<\/strong> \u524d\u5411\u6563\u5c04\uff08FSD\uff09\u56fe\u50cf\uff0c\u663e\u793a\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u548c\u5bcc\u96c6\u9521\u7684\u679d\u6676\u95f4\u533a\u57df\uff08\u4eae\u767d\u8272\uff09\u3002<strong>d, <\/strong>c\u56fe\u7684 EBSD\u53cd\u6781\u56fe\uff08IPF\uff09\uff0c\u663e\u793a\u4e86c\u4e2d\u4e09\u53c9\u6676\u754c\u5904\u6bcf\u4e2a\u6676\u7c92\u7684\u4e0d\u540c\u53d6\u5411\uff0c\u8bc1\u5b9e\u4e86\u89c2\u5bdf\u5230\u7684\u4e3a\u4e09\u53c9\u6676\u754c\u3002<strong>e, f<\/strong> \u56fec\u4e2d\u9521\u548c\u9541\u7684\u80fd\u91cf\u8272\u6563\u5149\u8c31\u9762\u5206\u5e03\u56fe\uff08EDS\uff09\uff0c\u663e\u793a\u679d\u6676\u95f4\u533a\u9521\uff08e\uff09\u7684\u5bcc\u96c6\u548c\u9541\uff08f\uff09\u7684\u8d2b\u5316\uff0c\u8272\u6807\u7684\u5355\u4f4d\u4e3a counts\/s\u3002<strong>g<\/strong> \u80cc\u6563\u5c04\u7535\u5b50\uff08BSE\uff09\u56fe\u50cf\uff0c\u663e\u793a\u6240\u8fc1\u79fb\u7684\u51dd\u56fa\u6676\u754c\uff08\u9ec4\u8272\u7bad\u5934\uff09\u3001\u51dd\u56fa\u6676\u754c\u4f4d\u7f6e\u7684\u6790\u51fa\u76f8\u9897\u7c92\uff08\u7ea2\u8272\u7bad\u5934\uff09\u3001\u5bcc\u96c6\u9521\u7684\u679d\u6676\u95f4\u533a\u57df\uff08\u767d\u8272\u7bad\u5934\uff09\u3002<strong>h<\/strong> \u6765\u81eag\u56fe\u4e2d\u5bcc\u9521\u679d\u6676\u95f4\u7684\u5171\u6676\u03b1-Mg+Mg2Sn\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-243434\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/10\/\u56fe\u72471-4.png\" alt=\"\" width=\"600\" height=\"942\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/10\/\u56fe\u72471-4.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/10\/\u56fe\u72471-4-191x300.png 191w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u6839\u636e\u4ee5\u4e0a\u601d\u60f3\uff0c \u5728\uff08i\uff09\u5145\u5206\u8003\u8651\u4e86\u6676\u754c\u548c\u6676\u5185\u539f\u5b50\u5316\u5b66\u52bf\u7684\u5dee\u5f02\uff0c\uff08ii\uff09\u5047\u5b9a\u51dd\u56fa\u6676\u754c\u539a\u5ea6\u8fdc\u5c0f\u4e8e\u51dd\u56fa\u6676\u7c92\u5c3a\u5bf8\uff08\u7eb3\u7c73\u5c3a\u5bf8\u7684\u51dd\u56fa\u6676\u7c92\u7ec4\u7ec7\u56e0\u800c\u9664\u5916\uff09\uff0c\uff08iii\uff09\u5047\u5b9a\u6676\u754c\u8fc1\u79fb\u5230\u6676\u5185\u540e\u5176\u5e73\u5747\u6676\u754c\u80fd\u53ef\u7528\u6eb6\u5242\u91d1\u5c5e\u7684\u5e73\u5747\u6676\u754c\u80fd\uff08s<sub>0<\/sub>\uff09\u6765\u8fd1\u4f3c\uff0c\u4ee5\u53ca\uff08iv\uff09\u4e0d\u8003\u8651\u6676\u754c\u7ed3\u6784\u5bf9\u6676\u754c\u80fd\u7684\u5f71\u54cd (\u5305\u62ec\u6676\u754c\u8fc1\u79fb\u8fc7\u7a0b\u4e2d\u6676\u754c\u7ed3\u6784\u7684\u4efb\u4f55\u6539\u53d8)\u7684\u524d\u63d0\u4e0b\uff0c\u786e\u5b9a\u4e86\u51dd\u56fa\u6676\u754c\u53d1\u751f\u4e86\u8fc1\u79fb\u7684\u57fa\u672c\u6761\u4ef6\uff0c \u5373<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-243430\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/10\/000.png\" alt=\"\" width=\"256\" height=\"59\" \/><\/p>\n<p>\u5176\u4e2d\uff0c \u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u7684\u9a71\u52a8\u529b\uff0c<em>A<\/em> \u4e3a\u6676\u754c\u9762\u79ef\uff0c\u4e0b\u6807<em>I<\/em> \u548c<em>E<\/em>\u5206\u522b\u4e3a\u51dd\u56fa\u6676\u754c\u5f62\u6210\u7684\u521d\u59cb\u72b6\u6001\uff08initial\uff09\u548c\u6700\u7ec8\u6216\u5e73\u8861\u72b6\u6001\uff08equilibrium\uff09\uff0cs<sub>0<\/sub> \u4e3a\u6eb6\u5242\u91d1\u5c5e\u7684\u5e73\u5747\u6676\u754c\u80fd\uff08\u6e29\u5ea6\u7684\u51fd\u6570\uff09\uff0c \u4e3a\u51dd\u56fa\u6676\u754c\u5f62\u6210\u65f6\u521d\u59cb\u72b6\u6001\u7684\u6676\u754c\u754c\u9762\u80fd\u3002\u8be5\u6761\u4ef6\u51b3\u5b9a\u4e86\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u662f\u5426\u53d1\u751f\u53d6\u51b3\u4e8e<strong>\u6765\u81ea\u4e8e\u6676\u754c\u9762\u79ef\u7684\u51cf\u5c0f\u5f15\u8d77\u7684\u603b\u6676\u754c\u80fd\u7684\u964d\u4f4e\u80fd\u5426\u514b\u670d\u6676\u754c\u4ece\u5bcc\u6eb6\u8d28\u533a\u5230\u8d2b\u6eb6\u8d28\u533a\u5bfc\u81f4\u7684\u603b\u6676\u754c\u80fd\u7684\u5347\u9ad8<\/strong>\uff08\u9700\u8981\u6307\u51fa\u65f6\u7684\u672c\u7814\u7a76\u9488\u5bf9\u7a00\u6eb6\u6db2\u5408\u91d1\uff0c\u6ca1\u6709\u8003\u8651\u5408\u91d1\u4e2d\u6790\u51fa\u76f8\u7684\u9489\u624e\u4f5c\u7528\uff09\u3002<\/p>\n<p>\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u7684\u963b\u529b\u56e0\u5b50\uff08\u03c3<sub>0<\/sub>\u00a0-\u03c3<sub>1<\/sub>\u00a0 \uff09\/\u03c3<sub>0<\/sub>\u00a0\u4e2d\u7684 \u9879\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-243431\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/10\/0001.png\" alt=\"\" width=\"339\" height=\"57\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/10\/0001.png 339w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/10\/0001-300x50.png 300w\" sizes=\"(max-width: 339px) 100vw, 339px\" \/><\/p>\n<p>\u5f0f\u4e2d\uff0cR \u4e3a\u6c14\u4f53\u5e38\u65708.314 J\/(mol\u00b7K)\uff0cT\u4e3a\u6e29\u5ea6(K)\uff0c \u4e3a\u6676\u754c\u539a\u5ea6(m)\uff0c \u00a0\u4e3a\u6676\u754c\u539f\u5b50\u5bc6\u5ea6\uff08Na\/mol\uff09\uff0c \u00a0\u4e3a\u5408\u91d1\u6210\u5206\uff0c \u4e3a\u6eb6\u8d28\u5206\u914d\u7cfb\u6570\uff0c \u4e3aWon-Thomas\u51dd\u56fa\u6a21\u578b\u4e2d\u7684\u4e00\u4e2a\u7efc\u5408\u53c2\u6570\u3002\u8be5\u53c2\u6570\u8003\u8651\u4e86\u5728\u51dd\u56fa\u8fc7\u7a0b\u4e2d\uff08i\uff09\u6eb6\u8d28\u5728\u56fa\u76f8\u4e2d\u7684\u53cd\u5411\u6269\u6563 (back diffusion), \uff08ii\uff09\u51dd\u56fa\u51b7\u5374\u901f\u5ea6\uff0c\uff08iii\uff09\u5b9e\u9645\u51dd\u56fa\u6e29\u5ea6\u533a\u95f4\uff0c\u4ee5\u53ca\uff08iv\uff09\u51dd\u56fa\u540e\u671f\u679d\u6676\u7c97\u5316\u5bf9\u6eb6\u8d28\u5728\u6700\u540e\u6db2\u819c\u4e2d\u6d53\u5ea6\u5927\u5c0f\u7684\u7efc\u5408\u5f71\u54cd\u3002\u5bf9\u4e8e\u7a00\u6eb6\u6db2\u5408\u91d1\u6765\u8bb2\uff0c\u5bf9\u4e8e\u540c\u4e00\u5408\u91d1\u7cfb\u5217\uff0c \u503c\u53ef\u4ee5\u901a\u8fc7\u4e8c\u6b21\u679d\u6676\u95f4\u8ddd\uff0c\u53cd\u5411\u6269\u6563\u7cfb\u6570\u4ee5\u53ca\u8fed\u4ee3\u540e\u7b97\u51fa\u7684\u51dd\u56fa\u6e29\u5ea6\u533a\u95f4\u8ba1\u7b97\u786e\u5b9a\uff0c\u4e14\u53ef\u4ee5\u5f53\u4f5c\u4e00\u4e2a\u5e38\u6570\u3002<\/p>\n<p>\u56fe3\u4e3a\u5229\u7528\u4e0a\u8ff0\u6a21\u578b\u5bf9\u56db\u4e2a\u9541\u5408\u91d1\u4e2d\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u7684\u9884\u6d4b\uff0c\u56fe\u4e2d\u66f2\u7ebf\u659c\u7387\u8d8a\u5927\uff0c\u8868\u660e\u5728\u76f8\u540c\u6eb6\u8d28\u6210\u5206\u65f6\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u7684\u963b\u529b\u56e0\u5b50 \u5c31\u8d8a\u5927\uff0c\u5373\u8d8a\u4e0d\u5bb9\u6613\u8fc1\u79fb\u3002\u8ba1\u7b97\u7ed3\u679c\u8868\u660eMg-Pb\uff0cMg-Al\u4e0eMg-Sn\u5408\u91d1\u7684\u963b\u529b\u56e0\u5b50\u63a5\u8fd1\uff0c\u56e0\u6b64\uff0c\u5728\u4e0eMg-Sn\u5408\u91d1\u6709\u76f8\u4f3c\u7684\u521d\u59cb\u6676\u7c92\u7ec4\u7ec7\u7684\u60c5\u51b5\u4e0b\uff0c\u51dd\u56fa\u6676\u754c\u5e94\u8be5\u6709\u663e\u8457\u7684\u8fc1\u79fb\uff08\u6216\u6574\u4f53\u6216\u5c40\u90e8\uff09\uff1b\u800cMg-Zn\u5408\u91d1\u7684\u963b\u529b\u56e0\u5b50\u8fdc\u5927\u4e8eMg-Sn\u5408\u91d1\uff0c\u56e0\u6b64\u5176\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u56f0\u96be\u3002\u56fe3(c-f)\u4e2d\u7684\u5b9e\u9a8c\u7ed3\u679c\u4e0e\u6a21\u578b\u9884\u6d4b\u9ad8\u5ea6\u543b\u5408\u3002<\/p>\n<p>\u56fe3 \u4e8c\u5143\u9541\u5408\u91d1Mg-0.3at.%X (X = Sn, Al, Zn)\u4e2d\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u7684\u9884\u6d4b\u4e0e\u5b9e\u9a8c\u9a8c\u8bc1\u3002<strong>a<\/strong>, <strong>b<\/strong> \u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u963b\u529b\u56e0\u5b50 \u00a0\u7684\u8ba1\u7b97\u503c \uff08\u56fe\u4e2d<em>f<sub>s<\/sub><\/em>\u4e3a\u51dd\u56fa\u8fc7\u7a0b\u4e2d\u7684\u56fa\u76f8\u5206\u6570\uff0c<em>f<sub>s<\/sub> <\/em>= 0.99999 \u6240\u5bf9\u5e94\u7684\u5269\u4f59\u6db2\u819c\u539a\u5ea6\u7ea6\u4e3a1 nm)\u3002c Mg-0.3at.%Sn, \u663e\u8457\u8fc1\u79fb\uff0cd Mg-0.3at.%Pb\uff0c\u663e\u8457\u8fc1\u79fb\uff1be Mg-0.3at.%Al\uff0c\u5c40\u90e8\u8fc1\u79fb\uff1bf Mg-0.3 at.%Zn\uff0c\u6ca1\u6709\u660e\u663e\u7684SGBM\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-243435\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/10\/\u56fe\u72472-3.png\" alt=\"\" width=\"600\" height=\"684\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/10\/\u56fe\u72472-3.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/10\/\u56fe\u72472-3-263x300.png 263w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u56fe4\u4e3a\u5229\u7528\u8be5\u6a21\u578b\u5bf9\u5176\u5b836\u4e2a\u51dd\u56fa\u6001\u5408\u91d1\u7cfb\u5217(Al-Cu, Fe-C, Cu-Sn, Ti-Cr, Zr-Mo, Al-Mg) \u6676\u754c\u8fc1\u79fb\u7684\u9a8c\u8bc1\uff0c\u53ef\u4ee5\u770b\u51fa\u56fe\u4e2d\u6765\u81ea\u6587\u732e\u4e2d\u7684\u8fd9\u4e9b\u5408\u91d1\u7cfb\u5217\u7684\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u963b\u529b\u56e0\u5b50\u90fd\u8f83\u4f4e\uff0c\u800c\u5b9e\u9645\u4e2d\u8fd9\u4e9b\u5408\u91d1\u90fd\u5b58\u5728\u663e\u8457\u7684\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\uff0c\u663e\u793a\u4e86\u6a21\u578b\u5728\u5176\u5b83\u5408\u91d1\u7cfb\u5217\u4e2d\u7684\u9ad8\u5ea6\u6709\u6548\u6027\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-243436\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/10\/\u56fe\u72473-2.png\" alt=\"\" width=\"2626\" height=\"2104\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/10\/\u56fe\u72473-2.png 2626w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/10\/\u56fe\u72473-2-300x240.png 300w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/10\/\u56fe\u72473-2-768x615.png 768w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/10\/\u56fe\u72473-2-1024x820.png 1024w\" sizes=\"(max-width: 2626px) 100vw, 2626px\" \/><\/p>\n<p>\u56fe4 \u5bf9\u591a\u4e2a\u5408\u91d1\u7cfb\u7edf\u4e2d\u51dd\u56fa\u6676\u754c\u8fc1\u79fb\u7684\u9884\u6d4b\u4e0e\u9a8c\u8bc1\u3002<strong>a<\/strong> \u56fa\u76f8\u5206\u6570 <em>f<sub>s<\/sub><\/em> = 0.999 (\u5269\u4f59\u6db2\u819c\u539a\u5ea6\u7ea6\u4e3a100 nm)\uff1b <strong>b<\/strong> <em>f<sub>s<\/sub><\/em> = 0.9999 (\u5269\u4f59\u6db2\u819c\u539a\u5ea6\u7ea6\u4e3a10 nm). <strong>c<\/strong> <em>f<sub>s<\/sub><\/em> = 0.99999 (\u5269\u4f59\u6db2\u819c\u539a\u5ea6\u7ea6\u4e3a1 nm). <strong>d<\/strong> <em>f<sub>s<\/sub> <\/em>= 1 (\u5b8c\u5168\u51dd\u56fa). \u4e00\u65e6 <em>f<sub>s<\/sub><\/em> \u8fbe\u5230 0.99999\u4ee5\u540e, \u4fdd\u6301\u4e0d\u53d8 (<strong>b, c, d<\/strong>).<\/p>\n<p><strong>\u3010\u6587\u732e\u94fe\u63a5\u3011<\/strong><\/p>\n<p>\u8be5\u7814\u7a76\u7ed3\u679c\u53d1\u8868\u57282022\u5e7410\u67087\u65e5\u300a\u81ea\u7136.\u901a\u8baf\u300b\u6742\u5fd7\u4e0a\uff08Hongmei Liu, Ma Qian, et al, Migration of solidification grain boundaries and prediction, Nature Communications | (2022) 13:5910, <a href=\"https:\/\/doi.org\/10.1038\/s41467-022-33482-8\">https:\/\/doi.org\/10.1038\/s41467-022-33482-8<\/a>.\uff09\u8be5\u9879\u7814\u7a76\u7531\u897f\u5357\u4ea4\u901a\u5927\u5b66\u548c\u7687\u5bb6\u58a8\u5c14\u672c\u7406\u5de5\u5927\u5b66\u5171\u540c\u5b8c\u6210\u3002\u897f\u5357\u4ea4\u901a\u5927\u5b66\u5218\u7ea2\u6885\u526f\u6559\u6388\u4e3a\u7b2c\u4e00\u4f5c\u8005\uff0c\u5e76\u4e0e\u7687\u5bb6\u58a8\u5c14\u672c\u7406\u5de5\u5927\u5b66\u6770\u51fa\u6559\u6388\u9a6c\u524d\u4e3a\u5171\u540c\u901a\u8baf\u4f5c\u8005\u3002\u6fb3\u65b9\u56e2\u961f\u83b7\u5f97\u4e86\u6fb3\u5927\u5229\u4e9a\u7814\u7a76\u59d4\u5458\u4f1a\uff08ARC\uff09DP180103205\u548cARC\u5de5\u4e1a\u8f6c\u578b\u57f9\u8bad\u4e2d\u5fc3IC180100005\uff08\u5148\u8fdb\u6750\u6599\u8868\u9762\u5de5\u7a0b\uff09\u63d0\u4f9b\u7684\u7814\u7a76\u57fa\u91d1\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u524d\u6cbf\u3011 \u6676\u754c\u662f\u4e0d\u540c\u53d6\u5411\u6676\u4f53\u4e4b\u95f4\u7684\u754c\u9762\uff0c\u662f\u591a\u6676\u6750\u6599\u7684\u4e00\u4e2a\u57fa\u672c\u7ec4\u6210\u8981\u7d20\uff0c\u5bf9\u6750\u6599\u6240\u6709\u7684\u6027\u80fd\u51e0\u4e4e\u90fd\u6709\u5f71\u54cd\u3002\u51dd\u56fa\u662f\u5927\u90e8\u5206\u91d1\u5c5e\u6750\u6599\u53ca\u96f6\u90e8\u4ef6\u5236\u9020\u8fc7\u7a0b\u4e2d\u7684\u4e00\u4e2a\u6838\u5fc3\u73af\u8282\u6216\u7ec8\u7aef\u5236&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-243362","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/243362"}],"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\/2"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=243362"}],"version-history":[{"count":4,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/243362\/revisions"}],"predecessor-version":[{"id":243439,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/243362\/revisions\/243439"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=243362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=243362"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=243362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}