{"id":110833,"date":"2017-11-14T14:00:11","date_gmt":"2017-11-14T06:00:11","guid":{"rendered":"\/\/m.iemloyee.com\/?p=110833"},"modified":"2017-11-11T22:52:08","modified_gmt":"2017-11-11T14:52:08","slug":"acta-mater-%ef%bc%9ati2alc%e9%99%b6%e7%93%b7%e4%b8%adsi%e5%8e%9f%e5%ad%90%e7%9a%84%e6%9b%bf%e4%bb%a3%e8%a1%8c%e4%b8%ba%e7%a0%94%e7%a9%b6","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=110833","title":{"rendered":"Acta Mater.\uff1aTi2AlC\u9676\u74f7\u4e2dSi\u539f\u5b50\u7684\u66ff\u4ee3\u884c\u4e3a\u7814\u7a76"},"content":{"rendered":"

\u3010\u5f15\u8a00<\/strong>\u3011<\/p>\n

MAX\u76f8(\u5305\u62ecTi3<\/sub>SiC2<\/sub>\u3001Ti2<\/sub>AlC\u7b49)\u4e3a\u7eb3\u7c73\u5c42\u72b6\u7684\u4e09\u5143\u78b3\u5316\u7269\u6216\u6c2e\u5316\u7269\uff0c\u5176\u4e2dM\u4ee3\u8868\u8fc7\u6e21\u91d1\u5c5e\u5143\u7d20;A\u4ee3\u8868\u4e3b\u65cf\u5143\u7d20;X\u4ee3\u8868\u78b3\u6216\u6c2e\u3002MAX\u76f8\u540c\u65f6\u5177\u6709\u91d1\u5c5e\u548c\u9676\u74f7\u7684\u4f18\u5f02\u6027\u80fd\uff0c\u5305\u62ec\u4f4e\u5bc6\u5ea6\u3001\u9ad8\u5f39\u6027\u6a21\u91cf\u3001\u4f18\u5f02\u7684\u5bfc\u70ed\u6027\u548c\u5bfc\u7535\u6027\u3001\u4f4e\u70ed\u81a8\u80c0\u7cfb\u6570\u548c\u4f18\u826f\u7684\u673a\u68b0\u52a0\u5de5\u6027\u80fd\uff0c\u7528\u4e8e\u8bb8\u591a\u7ed3\u6784\u548c\u5de5\u7a0b\u5e94\u7528\uff0c\u7279\u522b\u662f\u5728\u9ad8\u6e29\u9886\u57df\u3002\u8fd1\u65e5\uff0c\u6709\u5b66\u8005\u62a5\u9053\u4e86\u7528\u7eaf\u94dd\u4f5c\u4e3a\u948e\u6599\u7684Ti2<\/sub>AlC\u9676\u74f7\u7684\u948e\u710a\u673a\u7406\uff0c\u540c\u65f6\u901a\u8fc7\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8ba1\u7b97\uff0c\u89e3\u91ca\u4e86Ti2<\/sub>(Al,Si)C\u56fa\u6eb6\u4f53\u7684\u5f62\u6210\u548c\u5206\u89e3\u673a\u7406\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb<\/strong>\u3011<\/p>\n

\u8fd1\u65e5\uff0c\u54c8\u5c14\u6ee8\u5de5\u4e1a\u5927\u5b66\u9646\u6210\u6770\uff0cKseniia Piven\uff0c\u6f06\u79e6\uff0c\u5f20\u6770(\u901a\u8baf\u4f5c\u8005)\uff0cGilles Hug\u548cAurelie Jankowiak<\/strong>\u5728Acta Mater.<\/strong>\u4e0a\u53d1\u5e03\u4e86\u4e00\u7bc7\u5173\u4e8eTi2<\/sub>AlC\u9676\u74f7\u6750\u6599\u7684\u6587\u7ae0\uff0c\u9898\u4e3a\u201cSubstitution behavior of Si atoms in the Ti2<\/sub>AlC ceramics<\/strong>\u201d\u3002
\n \u4f5c\u8005\u4f7f\u7528AlSi\u948e\u6599\u5728Ti2<\/sub>AlC\u948e\u710a\u63a5\u5934\u4e2d\u89c2\u5bdf\u5230\u4e86Ti2<\/sub>AlC\u9676\u74f7\u4e2dSi\u539f\u5b50\u7684\u66ff\u4ee3\u884c\u4e3a\uff0c\u5e76\u6839\u636eSEM\u5206\u6790\u7ed3\u679c\u5728\u76f8\u4e92\u4f5c\u7528\u533a\u57df\u5f62\u6210\u4e86Ti2<\/sub>(Al,Si)C\u56fa\u6eb6\u4f53\u3002\u4e4b\u540e\uff0c\u4f7f\u7528FIB \/ TEM\u6280\u672f\u8fdb\u884c\u8be6\u7ec6\u7684\u8868\u5f81\u3002\u7814\u7a76\u7ed3\u679c\u8868\u660e\uff0c\u4e0d\u540cSi\u542b\u91cf\u7684Ti2<\/sub>(Al1-x<\/sub>,Six<\/sub>)C\u7ed3\u6784\u5728\u632f\u52a8\u65b9\u9762\u662f\u7a33\u5b9a\u7684\u3002\u7136\u800c\uff0c\u7531\u4e8e\u7ade\u4e89\u76f8\u7684\u5409\u5e03\u65af\u80fd\u8f83\u4f4e\uff0c\u5177\u6709\u9ad8Si\u542b\u91cf\u7684\u7ed3\u6784\u5c06\u5206\u89e3\u3002\u6700\u540e\uff0c\u91c7\u7528\u7b49\u79bb\u5b50\u70e7\u7ed3(SPS)\u65b9\u6cd5\u6210\u529f\u5408\u6210\u4e86Ti2<\/sub>(Al0.9<\/sub>,Si0.1<\/sub>)C\u3002<\/p>\n

\u3010\u56fe\u7247\u5bfc\u8bfb<\/strong>\u3011<\/p>\n

\u56fe1 AlSi\u4f5c\u948e\u6599\u948e\u710aTi2<\/sub>AlC\u63a5\u5934\u7684\u8868\u5f81<\/strong><\/p>\n

\"\"
\n (a<\/strong>) \u63a5\u5934\u7684\u80cc\u6563\u5c04\u7535\u5b50(BSE)\u56fe\u50cf\uff1b<\/p>\n

(b<\/strong>) \u754c\u9762\u653e\u5927\u540e\u7684\u5f62\u6001\uff1b<\/p>\n

(c<\/strong>) \u6cbf\u7740\u9ec4\u8272\u8def\u5f84\u7684EDS\u7ebf\u626b\u63cf\u7ed3\u679c\uff1b<\/p>\n

(d<\/strong>) \u948e\u710a\u63a5\u5934\u7684XRD\u56fe\u8c31\u3002<\/p>\n

\u56fe2 \u76f8\u4e92\u4f5c\u7528\u533a\u57df\u7684TEM\u56fe\u50cf<\/strong><\/p>\n

\"\"
\n (a<\/strong>) \u8bd5\u6837\u7684TEM\u7167\u7247\uff1b<\/p>\n

(b<\/strong>) \u76f8\u5173\u533a\u57df\u7684STEM\u7167\u7247\uff1b<\/p>\n

(c-f<\/strong>) \u6807\u6ce8\u533a\u57df\u7684\u9009\u5b9a\u533a\u57df\u7535\u5b50\u884d\u5c04(SAED)\u56fe\u6848\u3002<\/p>\n

\u56fe3 \u6807\u8bb0\u533a\u57df\u7684\u5143\u7d20\u5206\u5e03\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) A\u533a\u7684\u9ad8\u89d2\u73af\u5f62\u6697\u573a\u50cf(HAADF)\u56fe\uff1b<\/p>\n

(b-e)<\/strong> Ti\uff0cAl\uff0cSi\u548cC\u5143\u7d20\u7684\u5206\u5e03\uff1b<\/p>\n

(c<\/strong>) B\u533a\u7684\u9ad8\u89d2\u73af\u5f62\u6697\u573a\u50cf(HAADF)\u56fe;<\/p>\n

(g-j<\/strong>) Ti\uff0cAl\uff0cSi\u548cC\u5143\u7d20\u7684\u5206\u5e03\u3002<\/p>\n

\u56fe4 Ti2<\/sub>(Al1-x<\/sub>,Six<\/sub>)C\u7ed3\u6784\u7684\u5e73\u8861\u53c2\u6570<\/strong><\/p>\n

\"\"
\n (a<\/strong>) \u6676\u683c\u53c2\u6570\uff1b \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 (b<\/strong>) \u7113\u53d8\u3002<\/p>\n

\u56fe5 Ti2<\/sub>(Al1-x<\/sub>,Six<\/sub>)C\u7ed3\u6784\u7684\u632f\u52a8\u6001\u5bc6\u5ea6<\/strong><\/p>\n

\"\"
\n (a<\/strong>) Ti2<\/sub>AlC\uff1b<\/p>\n

(b<\/strong>) Ti2<\/sub>(Al0.875<\/sub>, Si0.125<\/sub>)C\uff1b<\/p>\n

(c<\/strong>) Ti2<\/sub>(Al0.125<\/sub>, Si0.875<\/sub>)C;<\/p>\n

(d<\/strong>) Ti2<\/sub>SiC\u3002<\/p>\n

\u56fe6 Si\u539f\u5b50\u5728Ti2<\/sub>AlC\u7ed3\u6784\u4e2d\u7684\u66ff\u4ee3\u884c\u4e3a<\/strong><\/p>\n

\"\"
\n (a<\/strong>) \u66ff\u4ee3\u8fc7\u7a0b\u4e2d\u6bcf\u4e00\u6b65\u6240\u9700\u7684\u80fd\u91cf\uff1b<\/p>\n

(b<\/strong>) Ti2<\/sub>AlC\u76f8\u7684\u9009\u533a\u7535\u5b50\u884d\u5c04(SAED)\u56fe\u6848\u3002<\/p>\n

\u56fe7 \u7528SPS\u6cd5\u5408\u6210Ti2<\/sub>(Al,Si)C\u56fa\u6eb6\u4f53\u7684\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

(a<\/strong>) \u80cc\u6563\u5c04\u7535\u5b50(BSE)\u56fe\u50cf\uff1b<\/p>\n

(b<\/strong>) XRD\u56fe\u8c31\u3002<\/p>\n

\u3010\u5c0f\u7ed3<\/strong>\u3011<\/p>\n

\u8fd9\u7bc7\u6587\u7ae0\u91c7\u7528AlSi\u4f5c\u4e3a\u948e\u6599\uff0c\u5728710\u2103\u7684\u6e29\u5ea6\u4e0b\u4fdd\u6e2910min\uff0c\u6210\u529f\u5730\u8fdb\u884c\u4e86Ti2<\/sub>AlC\u9676\u74f7\u7684\u948e\u710a\u3002\u5728\u63a5\u5934\u4e2d\u89c2\u5bdf\u5230Si\u5143\u7d20\u5728Ti2<\/sub>AlC\u57fa\u4f53\u4e2d\u7684\u6269\u6563\uff0c\u8fd9\u6709\u52a9\u4e8e\u5728\u76f8\u4e92\u4f5c\u7528\u533a\u57df\u5f62\u6210Ti2<\/sub>(Al,Si)C\u56fa\u6eb6\u4f53\u3002\u5b9e\u9a8c\u7ed3\u679c\u603b\u7ed3\u5982\u4e0b\uff1a<\/p>\n

(1<\/strong>) Ti2<\/sub>AlC\u57fa\u5e95\u4e2dSi\u539f\u5b50\u7684\u66ff\u4ee3\u6709\u5229\u4e8e\u7ed3\u6784\u7684\u7a33\u5b9a\uff0c\u66ff\u4ee3\u8fc7\u7a0b\u662f\u81ea\u53d1\u7684\uff1b<\/p>\n

(2<\/strong>) \u66ff\u4ee3\u884c\u4e3a\u4f1a\u5bf9\u6676\u683c\u5e38\u6570\uff0c\u7279\u522b\u662f\u6cbfc\u65b9\u5411\u7684\u6676\u683c\u5e38\u6570\u4ea7\u751f\u6536\u7f29\u6548\u5e94\uff1b<\/p>\n

(3<\/strong>) \u56fa\u6eb6\u4f53Ti2<\/sub>(Al,Si)C\u7684\u5f62\u6210\u4fc3\u8fdb\u4e86Ti2<\/sub>AlC\u57fa\u4f53\u548cAlSi\u948e\u6599\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\uff1b<\/p>\n

(4<\/strong>) Ti2<\/sub>(Al0.9<\/sub>,Si0.1<\/sub>)C\u56fa\u6eb6\u4f53\u53ef\u4ee5\u901a\u8fc7\u7b49\u79bb\u5b50\u70e7\u7ed3\u6280\u672f\u6210\u529f\u5408\u6210\u3002<\/p>\n

\u3010\u56e2\u961f\u4ecb\u7ecd<\/strong>\u3011<\/p>\n

\u5f20\u6770\u6559\u6388\u56e2\u961f\u4e3b\u8981\u7814\u7a76\u65b9\u5411<\/strong>\uff1a\u5f02\u79cd\u6750\u6599\u8fde\u63a5\u7814\u7a76\uff1b\u9676\u74f7-\u9676\u74f7\u3001\u9676\u74f7-\u91d1\u5c5e\u8fde\u63a5\u754c\u9762\u884c\u4e3a\u7814\u7a76\uff1b\u822a\u5929\u7279\u79cd\u65b0\u6750\u6599\u53ca\u6784\u4ef6\u8fde\u63a5\u6280\u672f\u4e0e\u673a\u5236\u7814\u7a76\u3002\u56e2\u961f\u627f\u62c5\u56fd\u5bb6\u81ea\u7136\u79d1\u5b66\u57fa\u91d1\u3001\u56fd\u9632\u79d1\u5de5\u5c40\u914d\u5957\u3001\u603b\u88c5\u5907\u90e8\u9884\u7814\u7b49\u9879\u76ee20\u4f59\u9879\uff0c\u53c2\u52a0\u56fd\u5bb6\u81ea\u7136\u79d1\u5b66\u57fa\u91d1\u521b\u65b0\u7fa4\u4f53\u3001\u56fd\u5bb6\u81ea\u7136\u79d1\u5b66\u57fa\u91d1-\u822a\u5929\u8054\u5408\u57fa\u91d1\u91cd\u70b9\u9879\u76ee\u54041\u9879\u3002\u83b7\u56fd\u5bb6\u81ea\u7136\u79d1\u5b66\u4e09\u7b49\u5956\u3001\u822a\u5929\u90e8\u79d1\u6280\u8fdb\u6b65\u4e09\u7b49\u5956\u3001\u9ed1\u9f99\u6c5f\u7701\u81ea\u7136\u79d1\u5b66\u4e8c\u7b49\u5956\u3001\u6559\u80b2\u90e8\u79d1\u6280\u8fdb\u6b65\u4e00\u7b49\u5956\u54041\u9879\u3002\u53d1\u8868SCI\u6536\u5f55\u8bba\u658780\u4f59\u7bc7\uff0c\u4ed6\u5f15500 \u4f59\u6b21\u3002<\/p>\n

\u3010\u76f8\u5173\u4f18\u8d28\u6587\u7ae0\u63a8\u8350<\/strong>\u3011<\/p>\n

(1) Y. M. He, J. Zhang, C. F. Liu, Y. Sun, Microstructure and mechanical properties of Si3<\/sub>N4<\/sub>\/Si3<\/sub>N4<\/sub> joint brazed with Ag-Cu-Ti+SiCp composite filler, Materials Science and Engineering A 527 (2010) 2819-2825.
\n (2) Y. M. He, J. Zhang*, Y. Sun, C. F. Liu, Microstructure and mechanical properties of the Si3<\/sub>N4<\/sub>\/42CrMo steel joints brazed with Ag-Cu-Ti+Mo composite filler, Journal of the European Ceramic Society 30 (2010) 3245-3251.
\n (3) Chengjie Lu, Guochao Wang, Guang Yang, Guohua Fan, Jia Zhang, Xiaowen Liu, Substitution behavior of Ag atoms in the Ti2<\/sub>AlC ceramic, Journal of the American Ceramic Society 100 (2017) 732-738<\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1aSubstitution behavior of Si atoms in the Ti2AlC ceramics<\/a> (Acta Mater.,2017 , DOI: 10.1016\/j.actamat.2017.11.002\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u91d1\u5c5e\u5b66\u672f\u7ec4jcfxs01\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n

\u6750\u6599\u725b\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\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8\u5927\u5bb6\u5ead<\/a>\u3002<\/p>\n

\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1tougao@cailiaoren.com\u3002<\/strong><\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1aRDD-2011-CHERISH\uff0c\u4efb\u4e39\u4e39\uff0c\u6211\u4eec\u4f1a\u9080\u8bf7\u5404\u4f4d\u8001\u5e08\u52a0\u5165\u4e13\u5bb6\u7fa4\u3002<\/strong><\/p>\n

\u6750\u6599\u6d4b\u8bd5\u3001\u6570\u636e\u5206\u6790\uff0c\u4e0a\u6d4b\u8bd5\u8c37<\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 MAX\u76f8(\u5305\u62ecTi3SiC2\u3001Ti2AlC\u7b49)\u4e3a\u7eb3\u7c73\u5c42\u72b6\u7684\u4e09\u5143\u78b3\u5316\u7269\u6216\u6c2e\u5316\u7269\uff0c\u5176\u4e2dM\u4ee3\u8868\u8fc7\u6e21\u91d1\u5c5e\u5143\u7d20;A\u4ee3\u8868\u4e3b\u65cf\u5143\u7d20;X\u4ee3\u8868\u78b3\u6216\u6c2e\u3002MAX\u76f8\u540c\u65f6\u5177\u6709\u91d1…<\/p>\n","protected":false},"author":4915,"featured_media":110837,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[97,346],"class_list":["post-110833","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","tag-computation","tag-metal"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/110833"}],"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\/4915"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=110833"}],"version-history":[{"count":9,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/110833\/revisions"}],"predecessor-version":[{"id":111132,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/110833\/revisions\/111132"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/110837"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=110833"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=110833"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=110833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}