{"id":167465,"date":"2019-02-20T06:30:10","date_gmt":"2019-02-19T22:30:10","guid":{"rendered":"\/\/m.iemloyee.com\/?p=167465"},"modified":"2019-02-19T16:17:56","modified_gmt":"2019-02-19T08:17:56","slug":"%e3%80%90%e5%9b%bd%e5%a4%96%e6%97%a0%e8%be%83%e7%a8%bf%e3%80%91%e5%a2%9e%e6%9d%90%e5%88%b6%e9%80%a0%e8%bf%87%e7%a8%8b%e4%b8%ad%e4%bf%83%e8%bf%9b%e9%92%9b%e5%90%88%e9%87%91%e7%9a%84%e6%9f%b1%e7%8a%b6","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=167465","title":{"rendered":"\u589e\u6750\u5236\u9020\u8fc7\u7a0b\u4e2d\u4fc3\u8fdb\u949b\u5408\u91d1\u7684\u67f1\u72b6\u5230\u7b49\u8f74\u8fc7\u6e21\u548c\u6676\u7c92\u7ec6\u5316"},"content":{"rendered":"

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

\u5bf9\u4e8e\u91d1\u5c5e\u589e\u6750\u5236\u9020\uff0c\u5c24\u5176\u662f\u949b\u5408\u91d1\uff0c\u67f1\u72b6\u6676\u7684\u5f62\u6210\u7531\u4e8e\u4f1a\u5bfc\u81f4\u673a\u68b0\u6027\u80fd\u7684\u5404\u76f8\u5f02\u6027\uff0c\u56e0\u6b64\u4e00\u76f4\u5e0c\u671b\u907f\u514d\u3002\u6545\u4fc3\u4f7f\u67f1\u72b6\u6676\u5411\u7b49\u8f74\u6676\u6f14\u5316(CET)\uff0c\u83b7\u5f97\u5177\u6709\u5404\u76f8\u540c\u6027\u7684\u6676\u7c92\u7ec6\u5316\u7684\u7b49\u8f74\u6676\u83b7\u5f97\u4e86\u6781\u5927\u7684\u5173\u6ce8\u3002\u83b7\u5f97\u7b49\u8f74\u6676\u4e3b\u8981\u901a\u8fc7\u8c03\u8282\u8fc7\u7a0b\u53c2\u6570\uff0c\u4f8b\u5982\u6e29\u5ea6\u68af\u5ea6(G)\uff0cS\/L\u754c\u9762\u751f\u957f\u901f\u7387(R)\uff0c\u51b7\u5374\u901f\u7387\u8fdb\u884c\u5236\u9020\u3002\u5e76\u4e14\u5408\u91d1\u6210\u5206\u4e5f\u662f\u5f71\u54cd\u7b49\u8f74\u6676\u5f62\u6210\u7684\u4e3b\u8981\u56e0\u7d20\u3002<\/p>\n

\u4e3a\u4e86\u4f7fCET\u53d1\u751f\uff0c\u8fc7\u51b7\u6db2\u4f53\u5fc5\u987b\u5b58\u5728\u4e8e\u67f1\u72b6\u524d\u7aef\u4e4b\u524d\uff0c\u4ee5\u4f7f\u5927\u90e8\u5206\u7b49\u8f74\u6676\u7c92\u5f62\u6838\u6216\u4f7f\u5206\u79bb\u7684\u56fa\u4f53\u788e\u7247\u6216\u672a\u7194\u5316\u7684\u7c89\u672b\u5b58\u6d3b\u548c\u751f\u957f\u3002\u8fc7\u51b7(\u0394TCS<\/sub>)\u6eb6\u8d28\u4ea7\u751f\u0394TCS<\/sub>\u7684\u901f\u7387\u7531\u751f\u957f\u9650\u5236\u56e0\u5b50Q\u51b3\u5b9a\uff0c\u5176\u4e2d\u5177\u6709\u5927Q\u503c\u7684\u6eb6\u8d28\u5feb\u901f\u4ea7\u751f\u0394TCS<\/sub>\u5e76\u4e14\u88ab\u8ba4\u4e3a\u662f\u53ef\u4ee5\u63d0\u4f9b\u6709\u6548\u6676\u7c92\u7ec6\u5316\u7684\u751f\u957f\u9650\u5236\u6eb6\u8d28\u3002Ti-6Al-4V\u4e2d\u7684Al\u548cV\u6eb6\u8d28\u4e0d\u63d0\u4f9b\u0394TCS<\/sub> (Al\u548cV\u6eb6\u8d28\u5728Ti \u4e2d\u5177\u6709\u53ef\u5ffd\u7565\u7684Q\u503c)\uff0c\u56e0\u6b64Ti-6Al-4V\u5728AM\u671f\u95f4\u96be\u4ee5\u5b9e\u73b0CET\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6606\u58eb\u5170\u5927\u5b66M.J. Bermingham<\/strong>(\u7b2c\u4e00\u517c\u901a\u8baf\u4f5c\u8005<\/strong>)\u5728Acta Materialia<\/strong>\u53d1\u8868\u9898\u4e3a\u201cPromoting the columnar to equiaxed transition and grain refinement of titanium alloys during additive manufacturing<\/strong>\u201d\u7684\u6587\u7ae0\u3002\u7814\u7a76\u4eba\u5458\u5bf9\u57fa\u4e8e\u4e1d\u6750\u589e\u6750\u5236\u9020\u8fc7\u7a0b\u4e2d\u51dd\u56fa\u7684\u70ed\u529b\u5b66\u6761\u4ef6\u8fdb\u884c\u4e86\u8868\u5f81\uff0c\u5e76\u63a2\u7d22\u4e86\u5408\u91d1\u6210\u5206\u5bf9\u7b49\u8f74\u6676\u5f62\u6210\u7684\u4f5c\u7528(\u03b2-Ti\u5728La2<\/sub>O3<\/sub>\u5f62\u6838\uff0c\u5b9e\u73b0\u4e86\u663e\u7740\u7684\u7ec6\u5316\u548c\u7b49\u8f74\u6676\u7c92\u5f62\u6210) \u3002\u7531\u4e8e\u70ed\u73af\u5883\u662f\u52a8\u6001\u7684\uff0c\u53ea\u6709\u5f53\u6e29\u5ea6\u68af\u5ea6\u5145\u5206\u964d\u4f4e\u4ee5\u5141\u8bb8\u7ec4\u5206\u8fc7\u51b7\u65f6\u624d\u80fd\u5b9e\u73b0\u7b49\u8f74\u6676\u7c92\u5f62\u6210\u3002<\/p>\n

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

\u56fe\u4e00 \u5b9e\u9a8c\u88c5\u7f6e\u53ca\u539f\u7406\u56fe<\/strong>
\n \"\"
\n (A<\/strong>) \u9ad8\u6e29\u8ba1\u7528\u4e8e\u6d4b\u91cf\u5b9e\u65f6\u51b7\u5374\u901f\u7387\uff08\u6cbfY\u8f74\u6c89\u79ef\uff09\uff0c\u6444\u50cf\u673a\u7528\u4e8e\u89c2\u5bdfY-Z\u5e73\u9762\u7684\u8fc7\u7a0b\uff1b<\/p>\n

(B<\/strong>) \u6c89\u79ef\u901f\u5ea6400mm\/min\u7684\u793a\u4f8b;\u5149\u5b66\u548c\u80cc\u6563\u5c04SEM\u56fe\u50cf\u793a\u51fa\u4e86\u5982\u4f55\u786e\u5b9a\u5e73\u5747\u6e29\u5ea6\u68af\u5ea6G\u3002<\/p>\n

\u56fe\u4e8c \u51dd\u56fa\u8fc7\u7a0b\u4e2d\u70ed\u529b\u5b66\u6d4b\u91cf<\/strong>
\n \"\"
\n (A<\/strong>) Ti-6Al-4V\u51b7\u5374\u901f\u7387\uff0c50-400mm\/min\u7684\u6c89\u79ef\u901f\u5ea6<\/p>\n

(B<\/strong>)100mm\/min\u51b7\u5374\u901f\u7387\uff0c\u4e09\u4e2a\u65f6\u95f4\u95f4\u9694\u56fe\u7247<\/p>\n

(C<\/strong>) \u51dd\u56fa\u66f2\u7ebf<\/p>\n

\u56fe\u4e09 \u51b7\u5374\u901f\u7387\u66f2\u7ebf<\/strong>
\n \"\"
\n Ti-6Al-4V\uff0cTi-3Al-8V-6Cr-4Mo-4Zr\u548cTi-3Al-8V-6Cr-4Mo-4Zr + La2<\/sub>O3<\/sub>\u51dd\u56fa\u671f\u95f4\u5728\u6c89\u79ef\u7ed3\u675f\u65f6\u6536\u96c6\u7684\u5178\u578b\u51b7\u5374\u66f2\u7ebf<\/p>\n

\u56fe\u56db \u70ed\u529b\u5b66\u6761\u4ef6\u4e0b\u6c89\u79ef\u7684Ti\u5408\u91d1\u663e\u5fae\u7ed3\u6784<\/strong>
\n \"\"
\n (A-C<\/strong>) \u5206\u522b\u662f Ti-6Al-4V\u3001Ti-3Al-6Cr-4Mo-4Zr\u3001Ti-3Al-6Cr-4Mo-4Zr + La2<\/sub>O3<\/sub> \u5fae\u89c2\u7ed3\u6784<\/p>\n

(D<\/strong>) \u5e73\u5747\u6676\u7c92\u5c3a\u5bf8 \u6c89\u79ef\u901f\u5ea6 50mm\/min<\/p>\n

\u56fe\u4e94 \u6c89\u79ef\u524d\u540e\u7684La2<\/sub>O3<\/sub>\u5c3a\u5bf8\u4e0e\u5206\u5e03<\/strong>
\n \"\"
\n (A<\/strong>) \u6c89\u79ef\u524dLa2<\/sub>O3<\/sub>\u80cc\u6563\u5c04SEM\u56fe\u50cf<\/p>\n

(B<\/strong>) \u6c89\u79ef\u8fc7\u7a0b\u4e2d\uff0c\u9897\u7c92\u5f62\u72b6\u53d8\u5f97\u66f4\u52a0\u7403\u5f62\u5316\u5e76\u4e14\u5c3a\u5bf8\u51cf\u5c0f<\/p>\n

(C<\/strong>) \u6c89\u79ef\u540e\u7684La2<\/sub>O3<\/sub>\u7c92\u5ea6\u5206\u5e03<\/p>\n

(D<\/strong>) \u5728Ti-3Al-8V-6Cr-4Mo-4Zr\u5185\u4e0d\u540c\u5c42\u4e2d\u5206\u5e03\u7684La2<\/sub>O3<\/sub>\u9897\u7c92\u7684\u9762\u79ef\u5206\u6570<\/p>\n

\u56fe\u516d Ti-6Al-4V\u7194\u6c60\u5185\u7684\u6e29\u5ea6\u5206\u5e03<\/strong>
\n \"\"
\n (A) \u548c(B)\u4e3a\u57fa\u4e8eBai\u7b49\u4eba\u7684\u5206\u6790\u5f00\u53d1\u7684Ti-6Al-4V\u589e\u6750\u5236\u9020\u4f20\u70ed\u6a21\u578b\uff0cD\u4e3a\u52a8\u6001\u6e29\u5ea6\u68af\u5ea6\u7684\u65b0\u5b9e\u9a8c\u6570\u636e<\/p>\n

\u56fe\u4e03 \u4e0d\u540c\u65f6\u95f4\u95f4\u9694AM\u51dd\u56fa\u671f\u95f4\u5e94\u7528\u7684\u76f8\u4e92\u4f9d\u8d56\u6a21\u578b\u7684\u539f\u7406<\/strong>
\n \"\"
\n t1<\/sub> \u0394TN<\/sub>=0\u2103\uff0c\u65e0\u0394TCS<\/sub>\u6216\u6eb6\u8d28\u6269\u6563\u5230\u6db2\u4f53\u4e2d<\/p>\n

t2<\/sub> \u5c11\u91cf\u5916\u5ef6\u751f\u957f\uff0cG\u592a\u9661\uff0c\u65e0\u0394TCS<\/sub>\uff0c\u9644\u8fd1\u9897\u7c92\u65e0\u6cd5\u6fc0\u6d3b<\/p>\n

t3<\/sub> G\u6301\u7eed\u51cf\u5c0f\uff0c\u0394TCS<\/sub><\u0394TN<\/sub>\uff0c\u5b58\u5728\u5c0f\u7684\u8fc7\u51b7\u533a<\/p>\n

t4<\/sub> \u9644\u8fd1\u65e0\u6210\u6838\u7c92\u5b50\u5b58\u5728\uff0c\u67f1\u72b6\u751f\u957f<\/p>\n

t5<\/sub> \u7b49\u8f74\u6676\u7c92\u751f\u6210<\/p>\n

\u56fe\u516b \u6676\u7c92\u5c3a\u5bf8\u2014Q\u66f2\u7ebf<\/strong>
\n \"\"
\n Ti-3Al-8V-6Cr-4Mo-4Z\u4e2dLa2<\/sub>O3<\/sub>\u5bf9\u7684\u5b58\u5728\u4f7f\u6676\u7c92\u5c3a\u5bf8\u51cf\u5c0f\u5230\u8d85\u8fc7\u5355\u72ec\u6eb6\u8d28\u6548\u5e94\u53ef\u5b9e\u73b0\u7684\u6c34\u5e73<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aPromoting the columnar to equiaxed transition and grain refinement of titanium alloys during additive manufacturing<\/a><\/strong>\u00a0(Acta Mater., 2019, DOI: 10.1016\/j.actamat.2019.02.020)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u5b66\u672f\u7ec4liunian\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\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/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<\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu<\/strong>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u5bf9\u4e8e\u91d1\u5c5e\u589e\u6750\u5236\u9020\uff0c\u5c24\u5176\u662f\u949b\u5408\u91d1\uff0c\u67f1\u72b6\u6676\u7684\u5f62\u6210\u7531\u4e8e\u4f1a\u5bfc\u81f4\u673a\u68b0\u6027\u80fd\u7684\u5404\u76f8\u5f02\u6027\uff0c\u56e0\u6b64\u4e00\u76f4\u5e0c\u671b\u907f\u514d\u3002\u6545\u4fc3\u4f7f\u67f1\u72b6\u6676\u5411\u7b49\u8f74\u6676\u6f14\u5316(CET)\uff0c\u83b7\u5f97\u5177\u6709\u5404\u76f8\u540c\u6027\u7684\u6676\u7c92…<\/p>\n","protected":false},"author":4237,"featured_media":167479,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[2524],"class_list":["post-167465","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","tag-2524"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/167465"}],"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\/4237"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=167465"}],"version-history":[{"count":4,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/167465\/revisions"}],"predecessor-version":[{"id":167608,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/167465\/revisions\/167608"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/167479"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=167465"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=167465"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=167465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}