{"id":145814,"date":"2018-07-13T14:00:24","date_gmt":"2018-07-13T06:00:24","guid":{"rendered":"\/\/m.iemloyee.com\/?p=145814"},"modified":"2018-07-13T15:59:45","modified_gmt":"2018-07-13T07:59:45","slug":"acta-materialia%ef%bc%9a%e8%b6%85%e7%bb%86%e6%99%b6%e7%b2%92al-0-3cu%e5%90%88%e9%87%91%e5%bc%ba%e5%8c%96%e6%9c%ba%e5%88%b6%e5%92%8chall-petch%e5%ba%94%e5%8a%9b","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=145814","title":{"rendered":"Acta Materialia\uff1a\u8d85\u7ec6\u6676\u7c92Al-0.3%Cu\u5408\u91d1\u5f3a\u5316\u673a\u5236\u548cHall-Petch\u5e94\u529b"},"content":{"rendered":"<p><strong>\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n<p>\u591a\u6676\u91d1\u5c5e\u6216\u5408\u91d1\u7684\u6d41\u53d8\u5e94\u529b\u548c\u6676\u7c92\u5c3a\u5bf8\u7b26\u5408Hall-Petch\u5173\u7cfb\u3002\u4f46\u5f53\u6676\u7c92\u5c3a\u5bf8\u8fbe\u5230\u5fae\u7c73\u6216\u8005\u4e9a\u5fae\u7c73\u7ea7\u522b\u65f6\uff0cHall-Petch\u5173\u7cfb\u5f0f\u4e2d\u7684k\uff08\u03b5\uff09\u4e0d\u518d\u662f\u4e00\u4e2a\u5e38\u6570\uff0c\u6b64\u65f6\u7684\u5f3a\u5316\u673a\u5236\u4e0d\u518d\u662f\u6676\u754c\u5f3a\u5316\uff0c\u8be5\u5f3a\u5316\u673a\u5236\u4e3a\u53ef\u52a8\u4f4d\u9519\u5bc6\u5ea6\u7684\u964d\u4f4e\u6216\u4f4d\u9519\u6e90\u5f3a\u5ea6\u7684\u63d0\u9ad8\u3002\u76ee\u524d\uff0c\u5173\u4e8e\u8be5\u673a\u5236\u7814\u7a76\u76f8\u5bf9\u8f83\u5c11\u3002<\/p>\n<p><strong>\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n<p>\u8fd1\u65e5\uff0c<strong>\u91cd\u5e86\u5927\u5b66<\/strong>\u7684<strong>\u9ec4\u5929\u6797\u526f\u6559\u6388<\/strong>\u548c<strong>\u5434\u6842\u6797\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u5728<strong>Acta Materialia<\/strong>\u53d1\u8868\u6700\u65b0\u7814\u7a76\u6210\u679c\u201c<strong>Strengthening Mechanisms and Hall-Petch Stress of ultrafine grained Al-0.3%Cu<\/strong>\u201d\u3002\u5728\u8be5\u6587\u4e2d\uff0c\u7814\u7a76\u4e86Al-0.3%Cu\u5408\u91d1\u7684\u6676\u7c92\u5c3a\u5bf8\u8fbe\u5230\u5fae\u7c73\u6216\u4e9a\u5fae\u7c73\u7ea7\u522b\u65f6\u5176\u6027\u80fd\u7684\u53d8\u5316\uff0c\u5e76\u5206\u6790\u4e86\u5176\u5f3a\u5316\u673a\u5236\u548c\u5bf9\u6d41\u53d8\u5e94\u529b\u7684\u5f71\u54cd\u3002<\/p>\n<p><strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n<p><strong>\u56fe1 \u51b7\u8f6798%\u7684Al-0.3%Cu\u5408\u91d1<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-145817\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/2-33.jpg\" alt=\"\" width=\"600\" height=\"521\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/2-33.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/2-33-300x261.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\uff08a\uff09\u7eb5\u622a\u9762TEM\u56fe<\/p>\n<p>\uff08b\uff09TEM\u663e\u5fae\u7ec4\u7ec7\u793a\u610f\u56fe<\/p>\n<p>\uff08c\uff09\u968f\u673a\u4f4d\u9519\u754c\u9762\u7684\u6676\u754c\u89d2\u5206\u5e03<\/p>\n<p>\uff08d\uff09\u51e0\u4f55\u5fc5\u9700\u754c\u9762\u7684\u6676\u754c\u89d2\u5206\u5e03<\/p>\n<p><strong>\u56fe2 \u51b7\u8f6798%\u7684Al-0.3%Cu\u5408\u91d1\u7684\u4e09\u7ef4\u539f\u5b50\u63a2\u9488\u56fe<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-145818\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/3-34.jpg\" alt=\"\" width=\"600\" height=\"652\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/3-34.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/3-34-276x300.jpg 276w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\uff08a\uff09\u539f\u5b50\u63a2\u9488\u91cd\u6784\uff1a\u84dd\u8272\u662f\u94dd\u539f\u5b50\uff0c\u7ea2\u8272\u662f\u94dc\u539f\u5b50<\/p>\n<p>\uff08b\uff09\u539f\u5b50\u63a2\u9488\u91cd\u6784\uff1a\u4ece\u5782\u76f4\u4e8e\u7eb8\u9762\u7684\u6676\u7c92\u8fb9\u754c\u770b\u5230\u7684\u94dc\u539f\u5b50<\/p>\n<p>\uff08c\uff09\u6cbf\u56fe\uff08b\uff09\u4e2d\u77ed\u5212\u7ebf\u7684Cu\u6d53\u5ea6<\/p>\n<p><strong>\u56fe3 \u5728\u4e0d\u540c\u6e29\u5ea6\u4e0b\u9000\u706b1\u5c0f\u65f6\u5f97\u5230\u7684\u8bd5\u6837\u7684EBSD\u56fe<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-145819\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/4-34.jpg\" alt=\"\" width=\"600\" height=\"512\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/4-34.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/4-34-300x256.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\uff08a\uff09100\u00b0C<\/p>\n<p>\uff08b\uff09175\u00b0C<\/p>\n<p>\uff08c\uff09200\u00b0C<\/p>\n<p>\uff08d\uff09225\u00b0C<\/p>\n<p><strong>\u56fe4 \u9000\u706b\u6e29\u5ea6\u5bf9\u968f\u673a\u4f4d\u9519\u754c\u9762\u95f4\u8ddd\u548c\u51e0\u4f55\u5fc5\u9700\u754c\u9762\u95f4\u8ddd\u7684\u5f71\u54cd<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-145820\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/5-25.jpg\" alt=\"\" width=\"600\" height=\"483\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/5-25.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/5-25-300x242.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><br \/>\n <strong>\u56fe5 Al-0.3%Cu\u5408\u91d1\u7684\u5e94\u529b-\u5e94\u53d8\u66f2\u7ebf<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-145821\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/6-17.jpg\" alt=\"\" width=\"600\" height=\"439\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/6-17.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/6-17-300x220.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u56fe6 \u9000\u706b\u6e29\u5ea6\u5bf9\u4e0d\u540c\u5f3a\u5316\u673a\u5236\u8d21\u732e\u5ea6\u7684\u5f71\u54cd<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-145822\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/7-12.jpg\" alt=\"\" width=\"600\" height=\"487\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/7-12.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/7-12-300x244.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u56fe7 \u6676\u754c\u5f3a\u5316\u8d21\u732e\u7684\u5f3a\u5ea6\u548c\u6676\u754c\u5c3a\u5bf8\u7684\u5173\u7cfb\u66f2\u7ebf<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-145823\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/8-10.jpg\" alt=\"\" width=\"600\" height=\"500\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/8-10.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/8-10-300x250.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u56fe8 Al-0.3%Cu\u5408\u91d1\u4e0d\u540c\u5e94\u53d8\u91cf\u4e0b\u7684Hall-Petch\u5173\u7cfb<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-145824\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/9-10.jpg\" alt=\"\" width=\"600\" height=\"499\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/9-10.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2018\/07\/9-10-300x250.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n<p>\u4e3b\u8981\u7ed3\u8bba\u5982\u4e0b\uff1a<\/p>\n<p>\u5728\u7eaf\u94dd\u4e2d\u6dfb\u52a00.3%\u7684\u94dc\u5c31\u80fd\u4f7f\u53d8\u5f62\u7ed3\u6784\u7684\u6676\u7c92\u5c3a\u5bf8\u51cf\u5c0f\u5e76\u7a33\u5b9a\u5230\u4e9a\u5fae\u7c73\u5c3a\u5bf8\u3002\u53d8\u5f62\u548c\u9000\u706b\u8bd5\u6837\u7684\u62c9\u4f38\u5b9e\u9a8c\u8868\u660e\u8bd5\u6837\u529b\u5b66\u6027\u80fd\u7a33\u5b9a\uff0c\u6ca1\u6709\u5c48\u670d\u70b9\u73b0\u8c61\u3001\u4e5f\u6ca1\u6709L\u00fcders\u4f38\u957f\uff0c\u968f\u7740\u9000\u706b\u6e29\u5ea6\u7684\u589e\u52a0\u5e94\u53d8\u786c\u5316\u548c\u5747\u5300\u4f38\u957f\u7387\u5747\u589e\u52a02-3%\u3002\u529b\u5b66\u6027\u80fd\u548c\u7ed3\u6784\u7a33\u5b9a\u6027\u4f7f\u5f97\u7ed3\u6784\u53c2\u6570\u80fd\u591f\u91cf\u5316\uff0c\u5e76\u80fd\u8ba1\u7b97\u56fa\u6eb6\u5f3a\u5316\u548c\u4f4d\u9519\u5f3a\u5316\u3002\u56e0\u6b64\uff0c\u8ba1\u7b97\u4e9a\u5fae\u7c73\u591a\u6676\u7ed3\u6784\u7684\u6676\u754c\u5f3a\u5316\u8d21\u732e\u5ea6\u6210\u4e3a\u53ef\u80fd\u3002<\/p>\n<p>\u6676\u754c\u5f3a\u5316\u548c\u7b49\u6548\u6676\u754c\u5c3a\u5bf8\u7684\u5e73\u65b9\u6839\u6210\u53cd\u6bd4\uff0c\u5f97\u5230\u7684Hall-Petch\u659c\u7387\u548c\u7c97\u6676\u94dd\u5408\u91d1\u7684\u659c\u7387\u4e00\u81f4\u3002\u56e0\u6b64\uff0c\u5c06Hall-Petch\u5173\u7cfb\u4ece\u5fae\u7c73\u7ea7\u6269\u5c55\u5230\u4e9a\u5fae\u7c73\u7ea7\u3002<\/p>\n<p><strong>\u6587\u732e\u94fe\u63a5<\/strong>\uff1a<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1359645418305305\" target=\"_blank\" rel=\"noopener\">Strengthening Mechanisms and Hall-Petch Stress of ultrafine grained Al-0.3%Cu<\/a>\u00a0(Acta Materialia, 2018, doi.org\/10.1016\/j.actamat.2018.07.006)<\/p>\n<p>\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u91d1\u5c5e\u7ec4 \u6768\u6811 \u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n<p>\u6750\u6599\u4eba\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<a href=\"\/\/m.iemloyee.com\/25127.html\" target=\"_blank\" 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