{"id":98996,"date":"2017-09-03T14:00:23","date_gmt":"2017-09-03T06:00:23","guid":{"rendered":"\/\/m.iemloyee.com\/?p=98996"},"modified":"2017-09-01T22:12:34","modified_gmt":"2017-09-01T14:12:34","slug":"acta-mater-%ef%bc%9aslm%e5%88%b6%e5%a4%87%e5%8e%9f%e4%bd%8dtial-tib2%e9%87%91%e5%b1%9e%e5%9f%ba%e5%a4%8d%e5%90%88%e6%9d%90%e6%96%99%e7%9a%84%e7%bb%93%e6%9e%84%e6%bc%94%e5%8f%98%e5%92%8c%e7%ba%b3","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=98996","title":{"rendered":"Acta Mater.\uff1aSLM\u5236\u5907\u539f\u4f4dTiAl \/ TiB2\u91d1\u5c5e\u57fa\u590d\u5408\u6750\u6599\u7684\u7ed3\u6784\u6f14\u53d8\u548c\u7eb3\u7c73\u786c\u5ea6\u7684\u63d0\u9ad8"},"content":{"rendered":"

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

TiAl\u57fa\u5408\u91d1\u5177\u6709\u4f4e\u5bc6\u5ea6\uff0c\u4f18\u5f02\u7684\u6297\u8815\u53d8\u6027\u548c\u9ad8\u6e29\u5f3a\u5ea6\uff0c\u4e14\u9ad8\u6e29\u4e0b\u6297\u6c27\u5316\u6027\u80fd\u826f\u597d\u3002\u56e0\u6b64\u6210\u4e3a\u822a\u7a7a\u822a\u5929\u7b49\u9886\u57df\u6700\u5177\u5438\u5f15\u529b\u7684\u9ad8\u6e29\u7ed3\u6784\u6750\u6599\u4e4b\u4e00\u3002\u7136\u800c\uff0c\u7531\u4e8e\u5176\u65ad\u88c2\u97e7\u6027\u7684\u5404\u5411\u5f02\u6027\u548c\u4f4e\u4e8e700\u2103\u65f6\u5931\u6548\u7684\u4f4e\u4f38\u957f\u7387\uff0c\u5176\u5b9e\u9645\u5e94\u7528\u53d7\u5230\u4e25\u91cd\u9650\u5236\u3002<\/p>\n

\u76ee\u524d\uff0c\u5236\u5907\u91d1\u5c5e\u57fa\u590d\u5408\u6750\u6599(MMCs)\u662f\u63a7\u5236TiAl\u57fa\u5408\u91d1\u5fae\u89c2\u7ec4\u7ec7\u548c\u76f8\u7ec4\u6210\u7684\u4e00\u79cd\u975e\u5e38\u666e\u904d\u6709\u6548\u7684\u65b9\u6cd5\uff0cMMC\u5c06\u91d1\u5c5e\u57fa\u4f53\u7684\u5f3a\u97e7\u6027\u548c\u5ef6\u6027\u4e0e\u9676\u74f7\u7684\u521a\u6027\u548c\u4f4e\u5bc6\u5ea6\u76f8\u7ed3\u5408\u3002\u7531\u4e8e\u5177\u6709\u4e0eTiAl\u57fa\u4f53\u76f8\u5f53\u7684\u70ed\u81a8\u80c0\u7cfb\u6570\u548c\u4f18\u5f02\u7684\u5316\u5b66\u76f8\u5bb9\u6027\u4ee5\u53ca\u787c\u5143\u7d20\u7684\u6676\u7c92\u7ec6\u5316\u6548\u5e94\uff0cTiB2<\/sub>\u88ab\u8ba4\u4e3a\u662fTiAl\u57fa\u590d\u5408\u6750\u6599\u6700\u5177\u5438\u5f15\u529b\u7684\u589e\u5f3a\u6750\u6599\u4e4b\u4e00\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u534e\u4e2d\u79d1\u6280\u5927\u5b66\u9b4f\u9752\u677e\u6559\u6388\u548c\u95eb\u6625\u6cfd\u526f\u6559\u6388(\u5171\u540c\u901a\u8baf\u4f5c\u8005)<\/strong>\u7814\u7a76\u56e2\u961f\u4e8e2017\u5e747\u67084\u65e5\u5728\u671f\u520aActa Materialia\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cEnhanced nanohardness and new insights into texture evolution and phase transformation of TiAl\/TiB2<\/sub>\u00a0in-situ metal matrix composites prepared via selective laser melting\u201d\u7684\u6587\u7ae0\u3002\u7814\u7a76\u4eba\u5458\u9996\u6b21\u901a\u8fc7\u9009\u62e9\u6027\u6fc0\u5149\u7194\u878d(SLM)\u5236\u5907\u4e86\u5177\u6709\u7eb3\u7c73\u786c\u5ea6\u6781\u5927\u63d0\u9ad8\u7684TiAl \/ TiB2<\/sub>\u539f\u4f4d\u91d1\u5c5e\u57fa\u590d\u5408\u6750\u6599(MMC)\uff0c\u7814\u7a76\u4e86TiB2<\/sub>\u5f3a\u5316\u5bf9TiAl\u57fa\u5408\u91d1\u663e\u5fae\u7ec4\u7ec7\u7279\u5f81\uff0c\u7ec7\u6784\u6f14\u53d8\u548c\u76f8\u53d8\u7684\u5f71\u54cd\u3002\u7ed3\u679c\u8868\u660e\uff0c\u968f\u7740TiB2<\/sub>\u542b\u91cf\u7684\u589e\u52a0\uff0c\u5e73\u5747\u6676\u7c92\u5c3a\u5bf8\u9010\u6e10\u51cf\u5c0f\u3002\u540c\u65f6\uff0cTiB2<\/sub>\u5bf9SLM\u5236\u5907\u7684TiAl \/ TiB2<\/sub>\u57fa\u590d\u5408\u6750\u6599\u7684\u7ec7\u6784\u6709\u5f88\u5927\u7684\u5f71\u54cd\u3002\u968f\u7740TiB2<\/sub>\u542b\u91cf\u7684\u589e\u52a0\uff0c\u53ef\u4ee5\u5f62\u6210\u66f4\u591a\u7ec7\u6784\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb<\/b><\/strong>\u3011<\/p>\n

\u56fe1 SLM\u5236\u5907\u8fc7\u7a0b\u548c\u6837\u54c1\u7684\u5206\u6790<\/b><\/strong><\/p>\n

\"\"<\/b><\/strong><\/p>\n

(a) SLM\u8fc7\u7a0b\u7684\u793a\u610f\u56fe\uff1b<\/p>\n

(b)\u76f8\u5bf9\u4e8e\u6837\u672c\u5750\u6807\u7684\u6fc0\u5149\u626b\u63cf\u7b56\u7565\uff1b<\/p>\n

(c)\u6676\u4f53\u53d6\u5411\uff1b<\/p>\n

(d)-(d\u2019\u2019),\u00a0(e)-(e\u201d),(f)-(f\u2019\u2019) \u548c(g)-(g\u2019\u2019)\u5206\u522b\u8868\u793aSLM\u5236\u5907\u7684\u6837\u672cS0<\/sub>\u3001S1<\/sub>\u3001S2<\/sub>\u548cS3<\/sub>\u4fef\u89c6\u7684EBSD\u53d6\u5411\u56fe\uff1b<\/p>\n

\u56fe2\u6837\u54c1\u7684\u7c92\u5ea6\u5206\u5e03<\/b><\/strong><\/p>\n

\"\"<\/b><\/strong><\/p>\n

(a)-(d)\u5206\u522b\u4e3a\u57fa\u4e8eEBSD\u65b9\u5411\u56fe\u7684\u56fe\u50cf\u5206\u6790\u548c\u56fe1\u6240\u793a\u7684\u7edf\u8ba1\u6570\u636e\u65b9\u6cd5\uff0c\u6837\u672cS0<\/sub>\u3001S1<\/sub>\u3001S2<\/sub>\u548cS3<\/sub>\u7684\u7c92\u5ea6\u5206\u5e03\uff1b<\/p>\n

\u56fe3 SLM\u5236\u5907\u7684\u4e0d\u540cTiB<\/b><\/strong>2<\/b><\/sub><\/strong>\u542b\u91cf\u7684TiAl \/ TiB<\/b><\/strong>2<\/b><\/sub><\/strong>\u00a0MMC\u6837\u54c1\u7684\u4fef\u89c6\u56fe\u4e2d{0001}\u3001\"\"<\/b><\/strong>\u548c\"\"<\/b>\u7684\u6781\u56fe<\/b><\/strong><\/p>\n

\"\"<\/b><\/strong><\/p>\n

(a) 0 wt\uff05(S0<\/sub>)\uff1b\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (b) 1 wt\uff05(S1<\/sub>)\uff1b<\/p>\n

(c) 2 wt\uff05(S2<\/sub>)\uff1b\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0(d) 3wt\uff05(S3<\/sub>)\uff1b<\/p>\n

\u56fe4 SLM\u5236\u5907\u7684\u4e0d\u540cTiB<\/b><\/strong>2<\/b><\/sub><\/strong>\u542b\u91cf\u7684TiAl \/ TiB<\/b><\/strong>2<\/b><\/sub><\/strong>\u00a0MMC\u7684\u6676\u4f53\u53d6\u5411\u7684XRD\u6781\u56fe<\/b><\/strong><\/p>\n

\"\"<\/b><\/strong><\/p>\n

(a) 1 wt\uff05(S1<\/sub>)\uff1b\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (b) 2 wt\uff05(S2<\/sub>)\uff1b\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (c) 3 wt\uff05(S3<\/sub>)\uff1b<\/p>\n

\u56fe5\u76f8\u7ec4\u6210<\/b><\/strong><\/p>\n

\"\"<\/b><\/strong><\/p>\n

(a) Ti-Al\u4e8c\u5143\u76f8\u56fe\uff0c\u7ea2\u8272\u7bad\u5934\u8868\u793aTi-45Al\u7684\u51dd\u56fa\u8def\u5f84\u548c\u76f8\u53d8\uff1b<\/p>\n

(b) \u6837\u54c1S0<\/sub>\u3001S1<\/sub>\u3001S2<\/sub>\u548cS3<\/sub>\u7684XRD\u56fe\uff1b<\/p>\n

(c)-(f) S0<\/sub>\u3001S1<\/sub>\u3001S2<\/sub>\u548cS3<\/sub>\u7684\u76f8\u7ec4\u6210\u548c\u5206\u5e03\uff1b<\/p>\n

\u56fe6 \u03b12<\/sub>\u76f8\u7684\"\"\u7acb\u4f53\u6295\u5f71\u6781\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

(a) \u63cf\u7ed8\u4e86\u03b12<\/sub>\u76f8\u768424\u4e2a\u4f4d\u7f6e\u7684\u7ed3\u6784\u7684\u6807\u51c6\"\"\u7acb\u4f53\u6295\u5f71\u6781\u56fe\uff1b<\/p>\n

(b) \u5b9e\u9a8c\u83b7\u5f97\u7684S1<\/sub>\u7684\u03b12<\/sub>\u76f8\"\"\u7acb\u4f53\u6295\u5f71\u6781\u56fe\uff1b<\/p>\n

\u56fe7 SLM\u5236\u5907\u7684\u5177\u6709\u4e0d\u540cTiB2\u542b\u91cf\u7684TiAl \/ TiB<\/b><\/strong>2<\/b><\/sub><\/strong>\u00a0MMC\u768424\u4e2a\u53d8\u5316\u4f4d\u7f6e\u5904\u7684\u7ed3\u6784\u6307\u6570\u7684\u5b9a\u91cf\u5206\u6790<\/b><\/strong><\/p>\n

\"\"<\/b><\/strong><\/p>\n

\u7eff-0 wt\uff05\uff0c\u84dd-1 wt\uff05\uff0c\u7ea2-2 wt\uff05\u548c\u9ed1\u8272 – 3 wt\uff05\uff1b<\/p>\n

\u56fe8\u6837\u54c1S<\/b><\/strong>1<\/b><\/sub><\/strong>\u7684TEM\u5206\u6790<\/b><\/strong><\/p>\n

\"\"<\/b><\/strong><\/p>\n

(a) S1<\/sub>\u7684\u660e\u573aTEM\u56fe\u50cf\uff1b<\/p>\n

(b) (c)\u548c(d)\u7684\u9009\u533a\u884d\u5c04\u82b1\u6837\uff1b<\/p>\n

(c) TiB2<\/sub>(\u7ea2\u8272\u7bad\u5934)\u7684\u6cbf\u7740[0001]\u8f74\u7684\u9009\u533a\u884d\u5c04\u82b1\u6837\uff1b<\/p>\n

(d) \u6cbf[001]\u8f74\u7684TiB (\u7eff\u8272\u7bad\u5934)\u7684\u9009\u533a\u884d\u5c04\u82b1\u6837\uff1b<\/p>\n

\u56fe9\u6837\u54c1\u7684\u529b\u5b66\u6027\u80fd<\/b><\/strong><\/p>\n

\"\"<\/b><\/strong><\/p>\n

(a) \u52a0\u8f7d-\u5378\u8f7d(P-h)\u66f2\u7ebf\uff1b<\/p>\n

(b) \u6837\u54c1S0<\/sub>\uff0cS1<\/sub>\uff0cS2<\/sub>\u548cS3<\/sub>\u7684\u8ba1\u7b97\u7684\u7eb3\u7c73\u786c\u5ea6Hd<\/sub>\u503c\uff1b<\/p>\n

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

\u968f\u7740TiB2<\/sub>\u542b\u91cf\u7684\u589e\u52a0\uff0c\u5e73\u5747\u6676\u7c92\u5c3a\u5bf8\u9010\u6e10\u51cf\u5c0f\uff0c\u6676\u4f53\u53d6\u5411\u4ece\u5f3a(0001)\u8f6c\u53d8\u4e3a\"\"\u548c\"\"\u3002\u540c\u65f6\uff0cTiB2<\/sub>\u5bf9SLM\u5236\u5907TiAl \/ TiB2 <\/sub>MMCs\u7684\u7ec7\u6784\u6709\u5f88\u5927\u7684\u5f71\u54cd\u3002\u968f\u7740TiB2<\/sub>\u542b\u91cf\u7684\u589e\u52a0\uff0c\u53ef\u4ee5\u5f62\u6210\u66f4\u591a\u7ec7\u6784\u3002 TiAl \/ TiB2<\/sub>\u00a0MMC\u4ee5\u03b12<\/sub>\u76f8\u4e3a\u4e3b\uff0c\u4e5f\u68c0\u6d4b\u51fa\u5c11\u91cf\u7684\u03b3\uff0cB2<\/sub>\uff0cTiB2<\/sub>\u548cTiB\u76f8\u3002TiB2<\/sub>\u589e\u5f3a\u4f53\u662fTiAl\u57fa\u5408\u91d1\u57fa\u4f53\u4e2d\u9488\u72b6\u5faeTiB2<\/sub>\u548c\u4e0d\u89c4\u5219\u7eb3\u7c73TiB2<\/sub>\u9897\u7c92\u7684\u5f62\u5f0f\uff0c\u7eb3\u7c73TiB2<\/sub>\u9897\u7c92\u5747\u5300\u5206\u5e03\uff0c\u957f\u5ea6\u4e3a10 nm\uff0c\u5bbd\u5ea6\u4e3a3-5 nm\u3002SLM\u5236\u5907\u7684TiAl \/ TiB2<\/sub>\u00a0MMC\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u7eb3\u7c73\u786c\u5ea610.57\u00b10.53GPa\uff0c\u8fdc\u9ad8\u4e8e\u4f20\u7edf\u7684\u8f8a\u710aTiB2<\/sub>\u589e\u5f3aTiAl\u57fa\u5408\u91d1\u3002<\/p>\n

\u6587\u732e<\/b><\/strong>\u94fe\u63a5\uff1a<\/b><\/strong>Enhanced nanohardness and new insights into texture evolution and phase transformation of TiAl\/TiB2 in-situ metal matrix composites prepared via selective laser melting<\/u>\u00a0<\/b><\/u><\/strong><\/a>(Acta Mater. ,2017, DOI: 10.1016\/\u00a0\/j.\u00a0actamat.2017.07.003)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u91d1\u5c5e\u6750\u6599\u5b66\u672f\u7ec4teliduxing\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

\u4eea\u5668\u8bbe\u5907\u3001\u8bd5\u5242\u8017\u6750\u3001\u6750\u6599\u6d4b\u8bd5\u3001\u6570\u636e\u5206\u6790\uff0c\u627e<\/b><\/strong>\u6750\u6599\u4eba<\/b><\/strong><\/a>\u3001\u4e0a<\/b><\/strong>\u6d4b\u8bd5\u8c37<\/b><\/strong><\/a>\uff01<\/b><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 TiAl\u57fa\u5408\u91d1\u5177\u6709\u4f4e\u5bc6\u5ea6\uff0c\u4f18\u5f02\u7684\u6297\u8815\u53d8\u6027\u548c\u9ad8\u6e29\u5f3a\u5ea6\uff0c\u4e14\u9ad8\u6e29\u4e0b\u6297\u6c27\u5316\u6027\u80fd\u826f\u597d\u3002\u56e0\u6b64\u6210\u4e3a\u822a\u7a7a\u822a\u5929\u7b49\u9886\u57df\u6700\u5177\u5438\u5f15\u529b\u7684\u9ad8\u6e29\u7ed3\u6784\u6750\u6599\u4e4b\u4e00\u3002\u7136\u800c\uff0c\u7531\u4e8e\u5176\u65ad\u88c2\u97e7\u6027\u7684…<\/p>\n","protected":false},"author":4125,"featured_media":98985,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[43,346],"class_list":["post-98996","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","tag-composite","tag-metal"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/98996"}],"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\/4125"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=98996"}],"version-history":[{"count":7,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/98996\/revisions"}],"predecessor-version":[{"id":99421,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/98996\/revisions\/99421"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/98985"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=98996"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=98996"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=98996"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}