{"id":244034,"date":"2022-11-11T10:20:16","date_gmt":"2022-11-11T02:20:16","guid":{"rendered":"\/\/m.iemloyee.com\/?p=244034"},"modified":"2022-11-11T10:20:16","modified_gmt":"2022-11-11T02:20:16","slug":"%e5%8d%a2%e6%9f%af%e9%99%a2%e5%a3%ab%e6%9d%8e%e7%a7%80%e8%89%b3%e7%a0%94%e7%a9%b6%e5%91%98%e6%9c%80%e6%96%b0science","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=244034","title":{"rendered":"\u5362\u67ef\u9662\u58eb&#038;\u674e\u79c0\u8273\u7814\u7a76\u5458\u6700\u65b0Science!"},"content":{"rendered":"<p><strong>\u4e00\u3001\u3010\u5bfc\u8bfb\u3011<\/strong><\/p>\n<p>\u8815\u53d8\u662f\u56fa\u4f53\u6750\u6599\u5728\u4fdd\u6301\u5e94\u529b\u4e0d\u53d8\u7684\u6761\u4ef6\u4e0b\uff0c\u5e94\u53d8\u968f\u65f6\u95f4\u5ef6\u957f\u800c\u589e\u52a0\u7684\u73b0\u8c61\u3002\u6750\u6599\u4f1a\u56e0\u8815\u53d8\u800c\u53d1\u751f\u5851\u6027\u53d8\u5f62\uff0c\u8815\u53d8\u5728\u8f83\u9ad8\u6e29\u5ea6\u4e0b\u4f1a\u88ab\u653e\u5927\uff0c\u8fd9\u4e5f\u662f\u9ad8\u6e29\u4e0b\u5927\u91cf\u90e8\u4ef6\u5931\u6548\u7684\u4e3b\u8981\u539f\u56e0\uff0c\u6bcf\u5e74\u4e3a\u6b64\u7ef4\u4fee\u548c\u66f4\u6362\u5148\u8fdb\u8bbe\u5907\u4e2d\u7684\u90e8\u4ef6\u82b1\u8d39\u6570\u5341\u4ebf\u7f8e\u5143\u3002\u907f\u514d\u8815\u53d8\u901a\u5e38\u9700\u8981\u5236\u4f5c\u5927\u578b\u5408\u91d1\u5355\u6676\uff0c\u8fd9\u65e2\u6602\u8d35\u53c8\u8017\u65f6\u3002\u6750\u6599\u4e2d\u7684\u6676\u754c\uff08GBs\uff09\u901a\u5e38\u6709\u5229\u4e8e\u8815\u53d8\u7684\u6269\u6563\u8fc7\u7a0b\uff0c\u56e0\u6b64\u76ee\u524d\u8ba4\u4e3a\u6d88\u9664GBs\u662f\u62b5\u6297\u91d1\u5c5e\u9ad8\u6e29\u8815\u53d8\u7684\u4e3b\u8981\u65b9\u6cd5\u3002<\/p>\n<p><strong>\u4e8c\u3001\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/p>\n<p>\u53d7\u5230\u5173\u4e8e\u91d1\u5c5e\u4e2dGB\u5f1b\u8c6b\u7684\u7814\u7a76\u7684\u542f\u53d1\uff0c<strong>\u4e2d\u56fd\u79d1\u5b66\u9662\u91d1\u5c5e\u7814\u7a76\u6240\u5362\u67ef\u9662\u58eb\u548c\u674e\u79c0\u8273\u7814\u7a76\u5458\u56e2\u961f<\/strong>\u8ba4\u4e3a\uff0c\u4e0e\u6d88\u9664GBs\u7684\u4f20\u7edf\u8ba4\u77e5\u76f8\u53cd\uff0c\u5efa\u8bae\u5f15\u5165\u5927\u91cf\u7684GB\uff0c\u4ee5\u5728\u91d1\u5c5e\u4e2d\u5f62\u6210\u7a33\u5b9a\u7684GB\u7f51\u7edc\uff0c\u901a\u8fc7\u540c\u65f6\u6291\u5236\u539f\u5b50\u6269\u6563\u548c\u9ad8\u6e29\u786c\u5316\u6765\u6291\u5236\u8815\u53d8\u3002\u4f5c\u8005\u4ee5\u5355\u76f8\u954d\u94b4\u94ec\uff08NiCoCr\uff0cMP35N\uff09\u5408\u91d1\u4e3a\u4f8b\u8fdb\u884c\u4e86\u5b9e\u9a8c\u7814\u7a76\uff0c\u53d1\u73b0\u5728\u5177\u6709\u7a33\u5b9aGB\u7f51\u7edc\u7684\u7eb3\u7c73\u6676\u7c92\u5408\u91d1\u4e2d\uff0c\u6269\u6563\u8815\u53d8\u8fc7\u7a0b\u88ab\u6709\u6548\u6291\u5236\u3002\u7814\u7a76\u83b7\u5f97\u4e86\u524d\u6240\u672a\u6709\u7684\u6297\u8815\u53d8\u7279\u6027\uff0c\u5728700\u00b0C\uff08~61%\u7194\u70b9\uff09\u548c\u6bcfGpa\u4e0b\u7684\u8815\u53d8\u7387\u4e3a~10<sup>-7<\/sup>\u00b7s<sup>-1<\/sup>\uff0c\u4f18\u4e8e\u4f20\u7edf\u9ad8\u6e29\u5408\u91d1\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201c<strong>Inhibiting creep in nanograined alloys with stable grain boundary networks<\/strong>\u201d\u53d1\u8868\u5728\u77e5\u540d\u671f\u520a<strong><em>Science<\/em><\/strong>\u4e0a\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-244035\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/11\/0-5.png\" alt=\"\" width=\"600\" height=\"247\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/11\/0-5.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/11\/0-5-300x124.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u4e09\u3001\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n<p><strong>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-244036\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/11\/1-5.jpg\" alt=\"\" width=\"600\" height=\"503\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/11\/1-5.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/11\/1-5-300x252.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/strong><\/p>\n<p><strong>\u56fe\u4e00\u3001\u5177\u6709\u7a33\u5b9a<\/strong><strong>GBs<\/strong><strong>\u7684\u7eb3\u7c73\u6676<\/strong><strong>NiCoCr<\/strong><strong>\u5408\u91d1\u7684\u7ed3\u6784<\/strong><strong> \u00a9 2022 AAAS<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-244037\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/11\/2-6.jpg\" alt=\"\" width=\"600\" height=\"434\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/11\/2-6.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/11\/2-6-300x217.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u56fe\u4e8c\u3001\u70ed\u7a33\u5b9a\u6027\u548c\u6e29\u5ea6\u4f9d\u8d56\u6027<\/strong><strong> \u00a9 2022 AAAS<\/strong><\/p>\n<p><strong>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-244038\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/11\/3-6.jpg\" alt=\"\" width=\"600\" height=\"375\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/11\/3-6.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/11\/3-6-300x188.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/strong><\/p>\n<p><strong>\u56fe\u4e09\u3001\u538b\u75d5\u8815\u53d8\u54cd\u5e94\u53ca\u673a\u5236\u7814\u7a76<\/strong><strong> \u00a9 2022 AAAS<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-244039\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/11\/4-6.jpg\" alt=\"\" width=\"600\" height=\"440\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2022\/11\/4-6.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2022\/11\/4-6-300x220.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u56fe\u56db\u3001<\/strong><strong>700<\/strong><strong>\u2103\u4e0b\u5404\u79cd\u5408\u91d1\u7684\u6297\u8815\u53d8\u6027\u80fd<\/strong><strong> \u00a9 2022 AAAS<\/strong><\/p>\n<p><strong>\u56db\u3001\u3010\u524d\u666f\u5c55\u671b\u3011<\/strong><\/p>\n<p>\u5728\u8fc7\u53bb\u7684\u51e0\u5341\u5e74\u91cc\uff0c\u5df2\u7ecf\u5f00\u53d1\u4e86\u5404\u79cd\u6280\u672f\u6765\u5728\u7eb3\u7c73\u7ed3\u6784\u6750\u6599\u4e2d\u5f15\u5165\u9ad8\u5bc6\u5ea6\u7684GBs\u3002\u901a\u8fc7\u4e0d\u540c\u7684\u7269\u7406\u548c\u5316\u5b66\u65b9\u6cd5\u7a33\u5b9aGBs\u5df2\u7ecf\u5728\u5e7f\u6cdb\u7684\u91d1\u5c5e\u548c\u5408\u91d1\u4e2d\u5f97\u5230\u8bc1\u5b9e\u3002\u672c\u7814\u7a76\u7ed3\u679c\u8868\u660e\uff0c\u7eb3\u7c73\u9897\u7c92\u5408\u91d1\u4e2d\u7a33\u5b9a\u7684GB\u7f51\u7edc\u80fd\u591f\u540c\u65f6\u63d0\u9ad8\u70ed\u7a33\u5b9a\u6027\u3001\u9ad8\u6e29\u5f3a\u5ea6\u548c\u9ad8\u6e29\u6297\u8815\u53d8\u6027\u3002\u8fd9\u6837\u7684\u6027\u80fd\u63d0\u5347\u4e0e\u4f20\u7edf\u7684\u7b56\u7565\u6709\u6839\u672c\u7684\u4e0d\u540c\u3002\u56e0\u6b64\uff0c\u4f7f\u7528\u7a33\u5b9a\u7684GB\u7f51\u7edc\u4e3a\u8bbe\u8ba1\u5177\u6709\u9ad8\u6027\u80fd\u7684\u5148\u8fdb\u7a33\u5b9a\u7684\u5408\u91d1\uff0c\u7279\u522b\u662f\u9ad8\u6e29\u5e94\u7528\u7684\u5408\u91d1\uff0c\u63d0\u4f9b\u4e86\u4e00\u4e2a\u53ef\u884c\u7684\u8303\u5f0f\u3002<\/p>\n<p>\u6587\u732e\u94fe\u63a5\uff1a<a href=\"https:\/\/www.science.org\/doi\/10.1126\/science.abq7739\" target=\"_blank\" rel=\"noopener\">Inhibiting creep in nanograined alloys with stable grain boundary networks<\/a> (<em>Science<\/em> <strong>2022<\/strong>, <em>378<\/em>, 659-663)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u3010\u5bfc\u8bfb\u3011 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