{"id":134985,"date":"2018-04-26T06:30:12","date_gmt":"2018-04-25T22:30:12","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=134985"},"modified":"2018-04-25T14:32:58","modified_gmt":"2018-04-25T06:32:58","slug":"acta-mater-%ef%bc%9a%e6%b7%b1%e8%bf%87%e5%86%b7ni50ti50%e6%b6%b2%e4%bd%93%e4%b8%ad%e6%89%a9%e6%95%a3%e7%b3%bb%e6%95%b0%e4%b8%8e%e7%bb%93%e6%99%b6%e5%8a%a8%e5%8a%9b%e5%ad%a6%e7%b3%bb%e6%95%b0%e7%9a%84","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=134985","title":{"rendered":"Acta Mater.\uff1a\u6df1\u8fc7\u51b7Ni50Ti50\u6db2\u4f53\u4e2d\u6269\u6563\u7cfb\u6570\u4e0e\u7ed3\u6676\u52a8\u529b\u5b66\u7cfb\u6570\u7684\u7ebf\u6027\u5173\u7cfb"},"content":{"rendered":"<p><strong>\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n<p>\u7814\u7a76\u6676\u4f53\u7684\u5f62\u6838\u548c\u957f\u5927\u5bf9\u51b6\u91d1\u5b66\u3001\u5236\u836f\u5b66\u3001\u6c14\u5019\u53d8\u5316\u4ee5\u53ca\u751f\u7269\u5065\u5eb7\u5177\u6709\u91cd\u5927\u610f\u4e49\u3002\u4f46\u662f\uff0c\u901a\u5e38\u6676\u4f53\u5f62\u6838\u957f\u5927\u4f34\u968f\u7684\u70ed\u529b\u5b66\u548c\u52a8\u529b\u5b66\u4e4b\u95f4\u7684\u7ade\u4e89\u5bfc\u81f4\u7ed3\u6676\u8fc7\u7a0b\u51fa\u73b0\u96be\u4ee5\u7f6e\u4fe1\u7684\u590d\u6742\u60c5\u5f62\u3002\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u65e0\u8bba\u5728\u5b9e\u9a8c\u8fd8\u662f\u6570\u503c\u6a21\u62df\u65b9\u9762\uff0c\u51e0\u4e4e\u90fd\u6ca1\u6709\u5df2\u77e5\u7684NiTi\u6df1\u8fc7\u51b7\u6db2\u4f53\u7684\u81ea\u6269\u6563\u7cfb\u6570D\u548c\u7c98\u5ea6\u03b7\u6570\u636e\u3002\u56e0\u6b64\uff0c\u6df1\u8fc7\u51b7Ni<sub>50<\/sub>Ti<sub>50<\/sub>\u6db2\u4f53\u7684\u5feb\u901f\u7ed3\u6676\u8fc7\u7a0b\u7684\u5fae\u89c2\u8d77\u6e90\u4ecd\u7136\u96be\u4ee5\u6349\u6478\u3002\u6700\u8fd1\uff0c\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u62df\u5df2\u88ab\u8bc1\u660e\u53ef\u4ee5\u6709\u6548\u5730\u7814\u7a76\u6df1\u8fc7\u51b7\u6db2\u4f53\u7684\u7ed3\u6676\u8fc7\u7a0b\uff0c\u8fd9\u5bf9\u672c\u6b21\u7814\u7a76NiTi\u5f62\u72b6\u8bb0\u5fc6\u5408\u91d1\uff08SMA\uff09\u5728\u6df1\u8fc7\u51b7\u6db2\u6001\u4e0b\u7684\u7ed3\u6676\u8fc7\u7a0b\u6709\u4e86\u5de8\u5927\u5e2e\u52a9\u3002<\/p>\n<p><strong>\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n<p>\u8fd1\u65e5\uff0c<strong>\u5317\u4eac\u8ba1\u7b97\u79d1\u5b66\u7814\u7a76\u4e2d\u5fc3\u7ba1\u9e4f\u98de\u7814\u7a76\u5458\u548c\u6e05\u534e\u5927\u5b66\u67f3\u767e\u65b0\u9662\u58eb\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u7b49\u56e2\u961f\u5728<strong>Acta Materialia<\/strong>\u4e0a\u53d1\u8868\u9898\u4e3a\u201c<strong>The linear relationship between diffusivity and crystallization kinetics in a deeply supercooled liquid Ni<sub>50<\/sub>Ti<sub>50<\/sub>\u00a0alloy<\/strong>\u201d\u7684\u6587\u7ae0\u3002\u7814\u7a76\u56e2\u961f\u901a\u8fc7\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u62df\u7814\u7a76\u4e86\u6df1\u8fc7\u51b7\u6761\u4ef6\u4e0bNi<sub>50<\/sub>Ti<sub>50<\/sub>\u6db2\u4f53\u7684\u7ed3\u6676\u8fc7\u7a0b\u3002\u7814\u7a76\u8868\u660e\uff0cNi<sub>50<\/sub>Ti<sub>50<\/sub>\u6df1\u8fc7\u51b7\u6db2\u4f53\u8868\u73b0\u51fa\u6781\u5feb\u7684\u6676\u5316\u884c\u4e3a\uff0c\u8fd9\u4e0e\u5229\u7528\u6db2\u4f53\u7c98\u5ea6\u9884\u6d4b\u5f97\u5230\u7684\u7406\u8bba\u6676\u5316\u901f\u7387\u76f8\u8fdd\u80cc\uff1b\u8fdb\u4e00\u6b65\u7684\u5206\u6790\u8868\u660e\u6df1\u8fc7\u51b7\u6761\u4ef6\u4e0b\u7ed3\u6676\u52a8\u529b\u5b66\u7cfb\u6570\u4e0e\u6db2\u4f53\u7684\u6269\u6563\u7cfb\u6570\u5448\u7ebf\u6027\u5173\u7cfb\uff0c\u8868\u660e\u5728Ni<sub>50<\/sub>Ti<sub>50<\/sub>\u6df1\u8fc7\u51b7\u6db2\u4f53\u6240\u8868\u73b0\u51fa\u7684\u5feb\u901f\u6676\u5316\u884c\u4e3a\u662f\u7531\u539f\u5b50\u6269\u6563\u800c\u4e0d\u662f\u7c98\u5ea6\u6240\u51b3\u5b9a\u7684\u3002\u57fa\u4e8e\u8ba1\u7b97\u6a21\u62df\u53d1\u73b0\uff0c\u4ea7\u751f\u8fd9\u4e00\u7ed3\u679c\u7684\u6839\u672c\u539f\u56e0\u5728\u4e8e\u5728\u9ad8\u8106\u6027\u6df1\u8fc7\u51b7\u6db2\u4f53\u4e2d\uff0c\u539f\u5b50\u6269\u6563\u4e0e\u6db2\u4f53\u7c98\u5ea6\u4e4b\u95f4\u7684\u9000\u8026\u5408\uff0c\u5373\u65af\u6258\u514b\u65af- \u7231\u56e0\u65af\u5766(D ~ \u03b7<sup>-1<\/sup>)\u5173\u7cfb\u7684\u5931\u6548\u3002\u8fd9\u4e00\u6db2\u4f53\u7ed3\u6676\u52a8\u529b\u5b66\u7cfb\u6570\u4e0e\u6269\u6563\u7cfb\u6570\u7684\u7ebf\u6027\u5173\u7cfb\u666e\u904d\u5b58\u5728\u4e8e\u9ad8\u8106\u6027\u6df1\u8fc7\u51b7\u6db2\u4f53\u4e2d\uff0c\u5e94\u8be5\u662f\u6df1\u8fc7\u51b7\u6db2\u4f53\u7684\u672c\u5f81\u5c5e\u6027\u3002<\/p>\n<p><strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n<p><strong>\u56fe1.\u7ed3\u6676\u5ea6\u03b1(t)\u66f2\u7ebf<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-136076\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2018\/04\/1-s2.0-S1359645418302817-gr1.jpg\" alt=\"\" width=\"600\" height=\"345\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2018\/04\/1-s2.0-S1359645418302817-gr1.jpg 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2018\/04\/1-s2.0-S1359645418302817-gr1-300x173.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>a. \u4e0d\u540c\u6e29\u5ea6\u4e0bNi<span style=\"font-size: small;\">50<\/span>Ti<sub>50<\/sub>\u8fc7\u51b7\u6db2\u4f53\u7ed3\u6676\u8fc7\u7a0b\u4e2d\u7ed3\u6676\u5ea6\u968f\u65f6\u95f4\u7684\u5173\u7cfb\u66f2\u7ebf\u3002\u7a7a\u5fc3\u5706\u663e\u793aKJMA\u6a21\u578b\u7684\u62df\u5408\u7ed3\u679c\u3002<\/p>\n<p>b.\u00a0\u5728\u6700\u9ad8\u6e29\u5ea6825K\u4e0b\u7684\u5feb\u7167\uff0c\u6b64\u6e29\u5ea6\u4e0b\u4f53\u7cfb\u4e2d\u53ea\u5f62\u6210\u4e00\u4e2a\u6676\u6838\u3002<\/p>\n<p>c.\u00a0\u5728\u6700\u4f4e\u6e29\u5ea6700K\u4e0b\u7684\u5feb\u7167\uff0c\u6b64\u6e29\u5ea6\u4e0b\u4f53\u7cfb\u4e2d\u540c\u65f6\u5b58\u5728\u591a\u4e2a\u6676\u6838\u3002<\/p>\n<p><strong>\u56fe2.\u6676\u6838\u751f\u957f\u901f\u7387\u4e0e\u6e29\u5ea6\uff08T\uff09\u7684\u5173\u7cfb\u66f2\u7ebf<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-136078\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2018\/04\/1-s2.0-S1359645418302817-gr3.jpg\" alt=\"\" width=\"600\" height=\"504\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2018\/04\/1-s2.0-S1359645418302817-gr3.jpg 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2018\/04\/1-s2.0-S1359645418302817-gr3-300x252.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u4e0a\u56fe\u662f\u6676\u6838\u751f\u957f\u901f\u7387\u4e0e\u6e29\u5ea6\u7684\u5173\u7cfb\u66f2\u7ebf\uff0c\u63d2\u56fe\u4e2d\u5c55\u793a\u4e86\u4e09\u4e2a\u4ee3\u8868\u6027\u6e29\u5ea6\u4e0b\uff0c\u6676\u6838\u7b49\u6548\u534a\u5f84\u968f\u65f6\u95f4\u7684\u53d8\u5316\uff0c\u63d2\u56fe\u4e2d\u5b9e\u7ebf\u8868\u793a\u659c\u7387u = dR\/dt\u3002<\/p>\n<p><strong>\u56fe3.\u6676\u6838\u751f\u957f\u52a8\u529b\u5b66\u7cfb\u6570\u968f\u6e29\u5ea6\u53d8\u5316\u7684\u66f2\u7ebf<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-136079\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2018\/04\/1-s2.0-S1359645418302817-gr4.jpg\" alt=\"\" width=\"600\" height=\"494\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2018\/04\/1-s2.0-S1359645418302817-gr4.jpg 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2018\/04\/1-s2.0-S1359645418302817-gr4-300x247.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u56fe\u4e2d\u5b9e\u7ebf\u7531\u65b9\u7a0b\u62df\u5408\u5f97\u51fa\uff0c\u7531\u6b64\u770b\u51fa\u6ca1\u6709\u968f\u6e29\u5ea6\u7ebf\u6027\u53d8\u5316\uff0c\u8868\u73b0\u51fa\u5f88\u5f3a\u7684non-Arrhenius\u884c\u4e3a\u3002<\/p>\n<p><strong>\u56fe4. \u6676\u6838\u751f\u957f\u901f\u7387u\u4e0e\u6e29\u5ea6\u7684\u5173\u7cfb\u66f2\u7ebf<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-136080\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2018\/04\/1-s2.0-S1359645418302817-gr5.jpg\" alt=\"\" width=\"600\" height=\"506\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2018\/04\/1-s2.0-S1359645418302817-gr5.jpg 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2018\/04\/1-s2.0-S1359645418302817-gr5-300x253.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u56fe\u4e2d\u5b9e\u7ebf\u662f\u5c55\u793a\u4e86\u7406\u8bba\u4f30\u7b97\u7684\u751f\u957f\u901f\u7387\uff0c\u56fe\u4e2d\u7684\u83f1\u5f62\u5c55\u793a\u4e86\u4e0d\u540c\u8fc7\u51b7\u5ea6\u4e0b\u7684\u6a21\u62df\u5f97\u5230\u751f\u957f\u901f\u7387\u3002\u7406\u8bba\u503c\u548c\u6a21\u62df\u503c\u57fa\u672c\u91cd\u5408\uff0c\u8868\u660e\u7406\u8bba\u9884\u6d4b\u7684\u53ef\u9760\u6027\u3002<\/p>\n<p><strong>\u56fe5. \u81ea\u6269\u6563\u7cfb\u6570D\u4e0e\u6e29\u5ea6\u7684\u4f9d\u8d56\u6027<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-136081\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2018\/04\/1-s2.0-S1359645418302817-gr6.jpg\" alt=\"\" width=\"600\" height=\"518\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2018\/04\/1-s2.0-S1359645418302817-gr6.jpg 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2018\/04\/1-s2.0-S1359645418302817-gr6-300x259.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u4e0a\u56fe\u5c55\u793a\u4e86\u6df1\u8fc7\u51b7\u6db2\u4f53\u5728700 K\u5230825 K\u7684\u81ea\u6269\u6563\u7cfb\u6570D\u968f\u6e29\u5ea6\u7684\u53d8\u5316\u5173\u7cfb\uff0c\u56fe\u4e2d\u865a\u7ebf\u5c55\u793a\u4e86\u5176non-Arrhenius\u884c\u4e3a\u3002\u63d2\u56fe\u4e2d\u5c55\u793a\u4e86\u66f4\u5bbd\u6e29\u5ea6\u8303\u56f4\u4e0b\uff08700 K\u52301300 K\uff09\uff0c\u81ea\u6269\u6563\u7cfb\u6570D\u968f\u6e29\u5ea6\u7684\u53d8\u5316\u5173\u7cfb\uff0c\u5b9e\u7ebf\u8868\u793aArrhenius\u62df\u5408\u3002\u5f69\u8272\u83f1\u5f62\u663e\u793a700-825K\u6e29\u5ea6\u8303\u56f4\u5185\u7684\u81ea\u6269\u6563\u7cfb\u6570D\u504f\u79bb\u4e86Arrhenius\u884c\u4e3a\u3002<\/p>\n<p><strong>\u56fe6. \u81ea\u6269\u6563\u7cfb\u6570D\u4e0e\u6676\u6838\u751f\u957f\u52a8\u529b\u7cfb\u6570\u7684\u5173\u7cfb<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-136082\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2018\/04\/1-s2.0-S1359645418302817-gr7.jpg\" alt=\"\" width=\"600\" height=\"511\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2018\/04\/1-s2.0-S1359645418302817-gr7.jpg 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2018\/04\/1-s2.0-S1359645418302817-gr7-300x256.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u56fe\u4e2d\u663e\u793a\u4e86\u6df1\u8fc7\u51b7\u6db2\u4f53\u5728700 K\u5230825 K\u7684\u6e29\u5ea6\u8303\u56f4\u5185\uff0c\u81ea\u6269\u6563\u7cfb\u6570D\u4e0e\u6676\u4f53\u751f\u957f\u52a8\u529b\u5b66\u7cfb\u6570\u5448\u7ebf\u6027\u5173\u7cfb\u3002<\/p>\n<p><strong>\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n<p>\u6587\u7ae0\u4e0d\u4ec5\u63ed\u793a\u4e86\u6df1\u8fc7\u51b7\u6db2\u4f53\u5feb\u901f\u7ed3\u6676\u7684\u52a8\u529b\u5b66\u8d77\u6e90\uff0c\u800c\u4e14\u4e3a\u7814\u7a76\u6df1\u8fc7\u51b7\u6db2\u4f53\u7684\u7ed3\u6784\u5f1b\u8c6b\u6307\u660e\u4e86\u65b0\u65b9\u5411\u3002<\/p>\n<p><strong>\u6587\u732e\u94fe\u63a5\uff1a<\/strong><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1359645418302817\" target=\"_blank\" rel=\"noopener\">The linear relationship between diffusivity and crystallization kinetics in a deeply supercooled liquid Ni<sub>50<\/sub>Ti<sub>50<\/sub>\u00a0alloy<\/a>(Acta Mater.,2018,10.1016\/j.actamat.2018.04.008)<\/p>\n<p>\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u91d1\u5c5e\u7ec4\u718a\u5bcc\u8c6a\u7f16\u8f91\uff0c<a href=\"http:\/\/www.cailiaoniu.com\/25127.html\" target=\"_blank\" rel=\"noopener\">\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n<p>\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a<a href=\"http:\/\/www.ceshigu.com\/\" target=\"_blank\" rel=\"noopener\">\u6d4b\u8bd5\u8c37<\/a>\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u5f15\u8a00\u3011 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