{"id":98558,"date":"2017-08-31T06:30:35","date_gmt":"2017-08-30T22:30:35","guid":{"rendered":"\/\/m.iemloyee.com\/?p=98558"},"modified":"2017-08-27T13:53:17","modified_gmt":"2017-08-27T05:53:17","slug":"acta-mater-%ef%bc%9a%e5%ba%94%e5%8f%98-%e6%b8%a9%e5%ba%a6%e8%80%a6%e5%90%88%e6%9d%a1%e4%bb%b6%e4%b8%8bni-mn-ga-%e4%b8%8eni-mn-ga-co-cu%e7%bb%86%e4%b8%9d%e7%9a%84%e5%a4%9a%e6%ad%a5%e8%b6%85%e5%bc%b9","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=98558","title":{"rendered":"Acta Mater.\uff1a\u5e94\u53d8-\u6e29\u5ea6\u8026\u5408\u6761\u4ef6\u4e0bNi-Mn-Ga \u4e0eNi-Mn-Ga-Co-Cu\u7ec6\u4e1d\u7684\u591a\u6b65\u8d85\u5f39\u6027\u884c\u4e3a"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u8fd1\u51e0\u5341\u5e74\u6765\uff0c\u5f62\u72b6\u8bb0\u5fc6\u591a\u6676\u7ec6\u4e1d\uff0c\u8fd9\u79cd\u8fd1\u4e00\u7ef4\u6750\u6599\u56e0\u53ef\u901a\u8fc7\u5fae\u89c2\u7ed3\u6784\u8bbe\u8ba1\u548c\u6210\u578b\u5728\u4e0d\u540c\u76f8\u95f4\u901a\u8fc7\u590d\u5408\u573a\u8bf1\u5bfc\u8f6c\u5316\u4ea7\u751f\u591a\u529f\u80fd\u7279\u6027\u800c\u53d7\u5230\u5e7f\u6cdb\u7684\u5173\u6ce8\u3002\u5176\u4e2d\uff0c\u591a\u6676\u5f62\u72b6\u8bb0\u5fc6\u7ec6\u4e1d\u7531\u4e8e\u5236\u5907\u6548\u7387\u9ad8\uff0c\u65f6\u95f4\u77ed\uff0c\u7701\u529b\uff0c\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u6027\u80fd\uff0c\u88ab\u5e7f\u6cdb\u7814\u7a76\u3002<\/p>\n \u76ee\u524d\uff0c\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u6539\u53d8\u6e29\u5ea6\u6216\u5916\u90e8\u65bd\u52a0\u5e94\u529b\u6765\u89c2\u5bdfNi-Mn-Ga\u5f62\u72b6\u8bb0\u5fc6\u5408\u91d1\u7684\u8f6c\u53d8\u884c\u4e3a\uff0c\u53d1\u73b0\u5b58\u5728\u53ef\u9006\u9a6c\u6c0f\u4f53\u76f8\u53d8\u6216\u4e2d\u95f4\u9a6c\u6c0f\u4f53\u76f8\u53d8\uff08MT\u6216IMTs\uff09\u5e8f\u5217\u3002\u4e3b\u8981\u7814\u7a76\u4e86\u5355\u6676\u5f62\u72b6\u8bb0\u5fc6\u5408\u91d1\u4e2dIMTs\u7684\u5168\u90e8\u5e8f\u5217\uff0c\u4f46\u5728\u591a\u6676\u6750\u6599\u4e2d\u5c1a\u672a\u6709\u62a5\u9053\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u5317\u4eac\u79d1\u6280\u5927\u5b66\u6731\u6d01\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u5728Acta Mater.<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u4e3a\u201cMultistep superelasticity of Ni-Mn-Ga and Ni-Mn-Ga-Co-Cu\u00a0microwires under stress-temperature coupling<\/strong>\u201d\u7684\u6587\u7ae0\u3002\u5728\u8be5\u6587\u4e2d\uff0c\u7814\u7a76\u4eba\u5458\u901a\u8fc7Taylor-Ulitovsky\u6cd5\u5236\u5907Ni-Mn-Ga \u4e0eNi-Mn-Ga-Co-Cu\u7ec6\u4e1d\uff0c\u5e76\u7cfb\u7edf\u7814\u7a76\u4e86\u7531\u6e29\u5ea6\u53d8\u5316\u548c\/\u6216\u65bd\u52a0\u673a\u68b0\u5e94\u529b\u5f15\u8d77\u7684\u9a6c\u6c0f\u4f53\u548c\u4e2d\u95f4\u9a6c\u6c0f\u4f53\u76f8\u53d8\u3002\u7814\u7a76\u8868\u660e\u4e24\u79cd\u542b\u6709\u81ea\u7531\u8868\u9762\u548c\u7af9\u72b6\u6676\u7684\u591a\u6676\u7ec6\u4e1d\u5728\u5ba4\u6e29\u4e0b\u5177\u6709\u5965\u6c0f\u4f53\u548c\u9a6c\u6c0f\u4f53\uff0c\u8868\u73b0\u51fa\u591a\u6b65\u8d85\u5f39\u6027\u884c\u4e3a\uff0c\u5177\u6709\u5927\u4e8e10\uff05\u7684\u5b8c\u5168\u53ef\u9006\u5e94\u53d8\u7684\u4e2d\u95f4\u9a6c\u6c0f\u4f53\u76f8\u53d8\u3002\u8fd9\u4e24\u79cd\u5408\u91d1\u5728\u5e94\u529b-\u6e29\u5ea6\u8026\u5408\u6761\u4ef6\u4e0b\u90fd\u7ecf\u5386\u4e86\u56db\u79cd\u76f8\u53d8\u8fc7\u7a0b\uff0c\u540e\u671f\u5177\u6709\u8f83\u5c0f\u7684\u5e94\u529b\u6ede\u540e\uff0c\u5e76\u4e14\u5728\u52a0\u8f7d – \u5378\u8f7d\u5faa\u73af\u4e2d\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u9ad8\u6e29\u673a\u68b0\u6027\u80fd\u3002<\/p>\n \u3010\u56fe\u6587\u89e3\u8bfb\u3011<\/strong><\/p>\n \u56fe\u4e00 Ni-Mn-Ga\u7ec6\u4e1d\u5b8f\u89c2\u5f62\u8c8c\u4e0eDSC\u66f2\u7ebf<\/strong><\/p>\n (a<\/strong>) \u7af9\u72b6\u6676\u7ed3\u6784\uff0c\u6709\u5229\u7ec7\u6784\u63a5\u8fd1(001)P\u65b9\u5411\uff1b<\/p>\n (b<\/strong>) \u9a6c\u6c0f\u4f53\u76f8\u53d8DSC\u66f2\u7ebf\uff0c\u5c45\u91cc\u6e29\u5ea6\u4e3a~372K\u3002<\/p>\n \u56fe\u4e8c \u62c9\u4f38\u5e94\u529b-\u5e94\u53d8\u66f2\u7ebf(\u6d4b\u8bd5\u6e29\u5ea6213K-300K)<\/strong><\/p>\n \u5e94\u529b-\u5e94\u53d8\u66f2\u7ebf\u7279\u5f81\u4e3a\u52a0\u8f7d-\u5378\u8f7d\u5faa\u73af\u671f\u95f4\u51fa\u73b0\u7684\u591a\u6b65\u5f2f\u66f2\u6ede\u56de\u3002<\/p>\n \u56fe\u4e09 Ni-Mn-Ga\u7ec6\u4e1d\u9009\u533a\u7535\u5b50\u884d\u5c04\u4e0e\u660e\u573a\u56fe\u50cf<\/strong><\/p>\n (a-b<\/strong>) \u7ec6\u4e1d\u7531\u5747\u5300\u7684\u5fae\u6676\u7ed3\u6784\u7ec4\u6210\uff0c\u6676\u683c\u53c2\u6570\u4e0eXRD\u7ed3\u679c\u4e00\u81f4\uff1b<\/p>\n (c<\/strong>) \u4f4e\u6e29\u8bf1\u5bfc\u9a6c\u6c0f\u4f53\u5178\u578b\u5f62\u6001\uff1b<\/p>\n (d<\/strong>) \u7535\u5b50\u884d\u5c04\u56fe\u50cf\u8868\u660e\u7ec6\u4e1d\u75315\u5c42\u8c03\u8d28\u9a6c\u6c0f\u4f53\u7ed3\u6784\u7ec4\u6210\u3002<\/p>\n \u56fe\u56db Ni-Mn-Ga\u7ec6\u4e1d\u4f4e\u6e29\u8bf1\u5bfc\u76f8\u53d8\u539f\u4f4dTEM\u56fe<\/strong><\/p>\n \u6a59\u8272\u6846\u533a\u57df\u4e3a\u76f8\u53d8\u8fc7\u7a0b\uff0c\u7531\u4f4e\u6e29\u9a6c\u6c0f\u4f53-\u5ba4\u6e29\u9a6c\u6c0f\u4f53\u3002<\/p>\n \u56fe\u4e94 Ni-Mn-Ga-Co-Cu\u7ec6\u4e1dSEM\u56fe<\/strong><\/p>\n \u8150\u8680\u533a\u57df\u622a\u9762\u53ef\u89c2\u5bdf\u5230\u677f\u6761\u9a6c\u6c0f\u4f53\u4e0e\u6761\u72b6\u9a6c\u6c0f\u4f53\u3002<\/p>\n \u56fe\u516d Ni-Mn-Ga-Co-Cu\u7ec6\u4e1d\u9a6c\u6c0f\u4f53\u76f8\u53d8\u8868\u5f81<\/strong><\/p>\n (a<\/strong>) \u9a6c\u6c0f\u4f53\u76f8\u53d8DSC\u66f2\u7ebf\uff0c\u6e29\u5ea6\u53d8\u5316\u671f\u95f4\u5b58\u5728\u591a\u7ea7\u76f8\u53d8\uff1b<\/p>\n (b<\/strong>) Ni-Mn-Ga-Co-Cu\u7ec6\u4e1d\u6676\u4f53\u7ed3\u6784XRD\u56fe\u8c31\u3002<\/p>\n \u56fe\u4e03 Ni-Mn-Ga-Co-Cu\u591a\u6676\u7ec6\u4e1d\u5178\u578b\u62c9\u4f38\u5e94\u529b-\u5e94\u53d8\u66f2\u7ebf<\/strong><\/p>\n \u5ba4\u6e29\u65f6\u7ec6\u4e1d\u7531\u9a6c\u6c0f\u4f53\u7ec4\u6210\uff0cMf\u4ee5\u4e0b\u663e\u793a\u4e0d\u53ef\u9006\u76f8\u53d8\uff0cAf\u4ee5\u4e0a\u5b58\u5728\u591a\u7ea7\u76f8\u53d8\u3002<\/p>\n \u56fe\u516b \u4e24\u79cd\u5408\u91d1\u7684\u6e29\u5ea6\u8bf1\u5bfc\u76f8\u53d8\u56fe\u4e0e\u5e94\u529b\u6e29\u5ea6\u590d\u5408\u573a-\u6e29\u5ea6\u56fe\u793a<\/strong><\/p>\n (a-b<\/strong>) Ni-Mn-Ga\u7ec6\u4e1d\u52a0\u8f7d-\u5378\u8f7d\u8fc7\u7a0b\uff0c\u5171\u5b58\u5728\u56db\u4e2a\u5355\u76f8\u533a\u4e0e\u4e09\u4e2a\u591a\u76f8\u5171\u5b58\u533a\uff0c\u9634\u5f71\u533a\u57df\u4e3a\u591a\u76f8\u5171\u5b58\u533a\uff1b<\/p>\n (c<\/strong>) \u76f8\u53d8\u5e94\u53d8\u7684\u6e29\u5ea6\u4f9d\u8d56\u6027\uff1b<\/p>\n (d<\/strong>) Ni-Mn-Ga-Co-Cu\u7ec6\u4e1d\u7684\u4e34\u754c\u5e94\u529b-\u6e29\u5ea6\u56fe\u793a\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u8be5\u6587\u7ae0\u7cfb\u7edf\u5730\u7814\u7a76\u4e86Ni50Mn30Ga20\u548cNi46Mn26Ga20Co4Cu4\uff08at\uff05\uff09\u591a\u6676\u5f62\u72b6\u8bb0\u5fc6\u7ec6\u4e1d\u7684\u7ed3\u6784\uff0c\u663e\u5fae\u7ec4\u7ec7\u548c\u529b\u5b66\u6027\u80fd\uff0c\u91cd\u70b9\u662f\u5728\u6e29\u5ea6\u548c\u5e94\u529b\u8026\u5408\u6761\u4ef6\u4e0bMT\u548cIMT\u7684\u591a\u7ea7\u8d85\u5f39\u6027\u884c\u4e3a\u3002<001> P\u53d6\u5411\u7684Ni-Mn-Ga\u7ec6\u4e1d\u5728\u6e29\u5ea6213 K-300K\u62c9\u4f38\u5e94\u529b\u5e94\u53d8\u671f\u95f4\u5448\u73b0\u51fa\u56db\u79cd\u4e00\u6b65\u6216\u591a\u6b65\u8f6c\u53d8\u5e8f\u5217\uff0cP\u2194nM\uff08n = 2,5\u62167\uff09\u548c5M\u21947M\u2194NM \u3002\u5728Ni50Mn30Ga20\u5408\u91d1\u4e2d\u5229\u7528Co\u548cCu\u4ee3\u66ffNi\u548cMn\uff0c\u76f8\u53d8\u6e29\u5ea6\u8303\u56f4\u53d8\u5bbd\u5e76\u4e0a\u5347\u3002\u5728263K-533K\uff0cNi-Mn-Ga-Co-Cu\u591a\u6676\u7ec6\u4e1d\u4e2d\u4e5f\u83b7\u5f97\u4e86\u7c7b\u4f3c\u7684\u591a\u7ea7\u8d85\u5f39\u6027\u884c\u4e3a\u3002\u7814\u7a76\u7ed3\u679c\u8868\u660e\u8fd9\u79cd\u65b9\u6cd5\u662f\u83b7\u5f97\u5c0f\u5c3a\u5bf8\uff0c\u9ad8\u6027\u80fd\u5f62\u72b6\u8bb0\u5fc6\u5408\u91d1\u7684\u6709\u6548\u65b9\u6cd5\uff0c\u5bf9\u4e8e\u5668\u4ef6\u5c0f\u578b\u5316\u548c\u667a\u80fd\u5316\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n \u6587\u732e\u94fe\u63a5\uff1a<\/strong>Multistep superelasticity of Ni-Mn-Ga and Ni-Mn-Ga-Co-Cu\u00a0microwires under stress-temperature coupling<\/a>(Acta Mater., 18 August, 2017, DOI:10.1016\/j.actamat.2017.08.035)<\/p>\n 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