{"id":244503,"date":"2022-12-01T07:15:18","date_gmt":"2022-11-30T23:15:18","guid":{"rendered":"\/\/m.iemloyee.com\/?p=244503"},"modified":"2022-11-30T22:19:39","modified_gmt":"2022-11-30T14:19:39","slug":"%e6%82%89%e5%b0%bc%e5%a4%a7%e5%ad%a6materials-today-%e5%9c%a8%e5%a2%9e%e6%9d%90%e5%88%b6%e9%80%a0ti-6al-4v%e5%90%88%e9%87%91%e4%b8%ad%e5%bc%95%e5%85%a5%e4%b8%80%e7%a7%8d%e7%94%b1%e5%9b%ba%e6%ba%b6","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=244503","title":{"rendered":"\u6089\u5c3c\u5927\u5b66Materials today: \u5728\u589e\u6750\u5236\u9020Ti-6Al-4V\u5408\u91d1\u4e2d\u5f15\u5165\u4e00\u79cd\u7531\u56fa\u6eb6\u6001\u6c27\u7a33\u5b9a\u7684\u5168\u65b0\u9762\u5fc3\u7acb\u65b9\u76f8\uff0c\u4ece\u800c\u5168\u9762\u63d0\u5347\u6750\u6599\u7684\u529b\u5b66\u6027\u80fd"},"content":{"rendered":"

\u5f15\u8a00<\/p>\n

\u949b\u53ca\u5176\u5408\u91d1\u2014\u2014\u7279\u522b\u662fTi-6Al-4V\u2014\u2014\u6709\u7740\u9ad8\u5f3a\u5ea6\u548c\u4f18\u5f02\u7684\u8010\u8150\u8680\u6027\uff0c\u56e0\u6b64\u5b83\u4eec\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4ece\u822a\u7a7a\u822a\u5929\u5230\u751f\u7269\u533b\u5b66\u690d\u5165\u7b49\u5173\u952e\u5e94\u7528\u9886\u57df\u3002\u5176\u5851\u6027\u53d8\u5f62\u80fd\u529b\u662f\u6709\u9650\u7684\uff0c\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u7531\u4f4e\u6e29\u03b1\u76f8\u7684\u5bc6\u6392\u516d\u65b9(HCP)\u7ed3\u6784\u6240\u51b3\u5b9a\u3002\u5173\u4e8eTi\u7684\u9762\u5fc3\u7acb\u65b9 (FCC) \u76f8\u662f\u5426\u53ef\u4ee5\u5728\u5ba4\u6e29\u4e0b\u7a33\u5b9a\u5b58\u5728\u7684\u4e89\u8bae\u53ef\u4ee5\u8ffd\u6eaf\u5230\u51e0\u5341\u5e74\u524d\u3002\u6b64\u524d\u7814\u7a76\u8005\u4eec\u666e\u904d\u8ba4\u4e3a\uff0cTi\u7684FCC\u5f62\u5f0f\u8981\u4e48\u662f\u91d1\u5c5e\u95f4\u5316\u5408\u7269\uff0c\u5982\u6c22\u5316\u7269\uff0c\u8981\u4e48\u662f\u5f53\u949b\u5408\u91d1\u53d7\u5230\u7535\u5b50\u675f\u6216\u7535\u79bb\u8f90\u5c04\u65f6\uff0c\u6240\u51fa\u73b0\u7684\u9ad8\u5ea6\u5c40\u57df\u5316\u548c\u7f3a\u9677\u7a33\u5b9a\u7684\u4e9a\u7a33\u6001\u76f8\u3002<\/p>\n

\u73b0\u6709\u4e89\u8bba\u4e3b\u8981\u96c6\u4e2d\u5728\u4ee5\u95f4\u9699\u539f\u5b50\u5f62\u5f0f\u5b58\u5728\u4e8e\u949b\u5408\u91d1\u4e2d\u7684\u8f7b\u5143\u7d20\u5982H\u3001C\u3001N\u548cO\u4e0e\u57fa\u4f53Ti\u4f5c\u7528\u7684\u4e0d\u786e\u5b9a\u6027\u4e0a\u3002\u4f17\u6240\u5468\u77e5\uff0c\u5728\u949b\u5408\u91d1\u4e2d\uff0cO\u5728\u4f4e\u6d53\u5ea6\u65f6\u5177\u6709\u663e\u8457\u7684\u5f3a\u5316\u6548\u5e94\uff0c\u800c\u5728\u8f83\u9ad8\u6d53\u5ea6\u65f6\uff0c\u8fd9\u53ef\u80fd\u5f88\u5feb\u53d8\u6210\u8106\u5316\u6548\u5e94\u3002\u56e0\u6b64\uff0c\u5728\u949b\u5408\u91d1\u7684\u5e38\u89c4\u51b6\u91d1\u52a0\u5de5\u4e2d\uff0c\u7cbe\u786e\u63a7\u5236\u95f4\u9699\u5143\u7d20\u542b\u91cf\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u8003\u8651\u56e0\u7d20\u3002\u91d1\u5c5e\u589e\u6750\u5236\u9020(AM)\u8fc7\u7a0b\u4e2d\u7684\u5feb\u901f\u51dd\u56fa\u3001\u4ea4\u66ff\u70ed\u5faa\u73af\u548c\u70ed\u5e94\u529b\u9020\u5c31\u4e86\u9ad8\u5ea6\u975e\u5e73\u8861\u6001\u7684\u5fae\u89c2\u7ed3\u6784\uff0c\u8fd9\u4e0e\u4f20\u7edf\u51b6\u91d1\u52a0\u5de5\u6240\u9047\u5230\u7684\u60c5\u51b5\u6709\u5f88\u5927\u5dee\u5f02\u3002AM\u8fc7\u7a0b\u4e2d\u8f83\u9ad8\u7684\u70ed\u68af\u5ea6\uff0c\u5feb\u901f\u7684\u6e29\u5ea6\u53d8\u5316\u548c\u70ed\u7d2f\u79ef\uff0c\u518d\u52a0\u4e0a\u539f\u6750\u6599\uff08\u91d1\u5c5e\u7c89\u672b\uff09\u548c\u6253\u5370\u73af\u5883\u5927\u5927\u589e\u52a0\u4e86\u5f15\u5165\u95f4\u9699\u5143\u7d20\u7684\u53ef\u80fd\u6027\uff0c\u5e76\u6700\u7ec8\u5f71\u54cd\u6750\u6599\u7684\u5f3a\u5ea6\u3001\u5ef6\u5c55\u6027\u3001\u75b2\u52b3\u5bff\u547d\u53ca\u5176\u4ed6\u5173\u952e\u6027\u80fd\u3002\u6700\u8fd1\u6709\u7814\u7a76\u8868\u660e\uff0c\u6b64\u7c7b\u52a8\u529b\u5b66\u8fc7\u7a0b\u80fd\u591f\u5f15\u5165\u95f4\u9699\u4f4d\u7f6e\u5f3a\u5316\uff0c\u6709\u52a9\u4e8e\u540c\u65f6\u589e\u5f3a\u67d0\u4e9b\u6750\u6599\u7684\u5f3a\u5ea6\u548c\u5ef6\u5c55\u6027\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5728\u6fc0\u5149\u7c89\u672b\u5e8a\u6253\u5370Ti-6Al-4V\u7684\u8fc7\u7a0b\u4e2d\uff0c\u901a\u8fc7\u5f15\u5165\u95f4\u9699\u6001\u6c27\u5143\u7d20\uff0c\u4ece\u800c\u5bfc\u81f4\u4e86FCC Ti\u76f8\u7684\u5f62\u6210\uff0c\u663e\u8457\u5730\u63d0\u5347\u4e86\u6750\u6599\u7684\u529b\u5b66\u6027\u80fd\u3002<\/p>\n

 <\/p>\n

\u6210\u679c\u7b80\u4ecb<\/p>\n

\u8fd1\u65e5\uff0c\u6089\u5c3c\u5927\u5b66\u5ed6\u6653\u821f\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\uff0cSimon Ringer\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\uff0c\u5171\u540c\u7b2c\u4e00\u4f5c\u8005\u738b\u660a\uff0c\u5d14\u76f8\u8fdc\u535a\u58eb\uff0c\u8fea\u80af\u5927\u5b66\u5f90\u5d6c\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\uff0c\u6641\u7426\u535a\u58eb\uff08\u5171\u540c\u7b2c\u4e00\u4f5c\u8005\uff09\uff0c\u9999\u6e2f\u7406\u5de5\u5927\u5b66\u9648\u5b50\u658c\u535a\u58eb \uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\u4e0e\u56e2\u961f\u6210\u5458\u5229\u7528\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u3001\u626b\u63cf\u7535\u5b50\u663e\u5fae\u955c\u548c\u4e09\u7ef4\u539f\u5b50\u63a2\u9488\u6280\u672f\u5728\u6fc0\u5149\u7c89\u672b\u5e8a\u6253\u5370\u7684Ti-6Al-4V\u00a0\u4e2d\u53d1\u73b0\u4e86\u56fa\u6eb6\u6001\u6c27\u7a33\u5b9a\u7684\u9762\u5fc3\u7acb\u65b9FCC\u76f8\u3002\u8be5FCC\u76f8\u88ab\u547d\u540d\u4e3aC\u76f8\uff0c\u6709\u77400.406 nm\u7684\u6676\u683c\u5e38\u6570\uff0c\u540c\u65f6\u4e0e\u6bcd\u76f8\u03b1’ \uff08\u9a6c\u6c0f\u4f53\u76f8\uff09\u5177\u6709\u5982\u4e0b\u7279\u5b9a\u7684\u53d6\u5411\u5173\u7cfb\uff1a(0001)a<\/sub>‘<\/sub>\/\/{111}C<\/sub>, \u4e14\u00a0\/\/\u3002\u4f5c\u8005\u53d1\u73b0\u8be5C\u00a0\u76f8\u7684\u5f62\u6210\u662f\u7531\u70ed\u68af\u5ea6\u3001\u9a6c\u6c0f\u4f53\u76f8\u53d8\u5f15\u8d77\u7684\u53d8\u5f62\u548c\u5c40\u90e8O\u5143\u7d20\u5bcc\u96c6\u5171\u540c\u4f5c\u7528\u7684\u7ed3\u679c\uff0c\u4f7f\u5f97\u5728\u9ad8\u6e29\u4e0b\u53ef\u4ee5\u5b9e\u73b0\u4ece\u5bc6\u6392\u516d\u65b9\u03b1\u2032\u76f8\u5230C\u76f8\u7684\u539f\u4f4d\u76f8\u53d8\u3002\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u8ba1\u7b97(DFT)\u8868\u660e\uff0cFCC\u7ed3\u6784\u7684\u516b\u9762\u4f53\u95f4\u9699\u4e2d\u7684\u6c27\u5360\u7528\u5728\u80fd\u91cf\u4e0a\u4f18\u4e8e\u03b1\u2032\u76f8\u7684\u76f8\u5e94\u4f4d\u7f6e\u3002\u539f\u4f4d\u529b\u5b66\u6d4b\u8bd5\u7ed3\u679c\u8868\u660e\uff0cFCC\u76f8\u7684\u5b58\u5728\u663e\u8457\u63d0\u9ad8\u4e86\u6837\u54c1\u7684\u5c40\u90e8\u5c48\u670d\u5f3a\u5ea6\uff0c\u4ece\u53ea\u542b\u03b1\u2032\u76f8\u65f6\u76841.2 GPa\u63d0\u9ad8\u5230\u03b1\u2032\u76f8\u548cFCC\u76f8\u4f53\u79ef\u5206\u6570\u57fa\u672c\u76f8\u7b49\u65f6\u76841.9 GPa\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u5757\u4f53\u6750\u6599\u7684\u5851\u6027\u4e0e\u52a0\u5de5\u786c\u5316\u7387\u90fd\u6709\u63d0\u5347\u3002\u8be5\u5de5\u4f5c\u4e3a\u589e\u6750\u5236\u9020\u9ad8\u6027\u80fd\u949b\u5408\u91d1\u8bbe\u8ba1\u63d0\u4f9b\u4e86\u65b0\u7684\u9014\u5f84\u3002<\/p>\n

\u8be5\u7814\u7a76\u6210\u679c\u4ee5\u201cIntroducing C Phase in additively manufactured Ti-6Al-4V: a new oxygen-stabilized face-centred cubic solid solution with improved mechanical properties\u201d \u4e3a\u9898\u520a\u767b\u57282022\u5e7411\u670818\u65e5\u51fa\u7248\u7684Materials today\u4e0a\u3002<\/p>\n

 <\/p>\n

\u56fe\u6587\u5bfc\u8bfb<\/p>\n

\u56fe1\uff1a\u626b\u63cf\u7535\u955c\u6570\u636e\u5c55\u793a\u589e\u6750\u5236\u9020\u949b\u94dd\u9492\u5408\u91d1\u6837\u54c1\u4e2dC\u76f8\u4f53\u79ef\u5206\u6570\u968f\u6837\u54c1\u9ad8\u5ea6\u7684\u53d8\u5316\u3002<\/p>\n

\"\"\u00a0\u00a0\u00a0<\/p>\n

a) \u793a\u610f\u56fe\u6307\u51fa\u4e86\u626b\u63cf\u7535\u955c\u6837\u54c1\u548c\u900f\u5c04\u7535\u955c\u6837\u54c1\u7684\u53d6\u6837\u4f4d\u7f6e\u3002<\/p>\n

b) \u9876\u5c42\u6837\u54c1\u7684\u626b\u63cf\u7535\u955c\u7535\u5b50\u80cc\u6563\u5c04\u884d\u5c04\u76f8\u56fe\uff0c\u4e3b\u8981\u7ed3\u6784\u4e3a\u03b1’ \u9a6c\u6c0f\u4f53\uff08\u7ea2\u8272\u533a\u57df\uff09\u3002<\/p>\n

c) \u4e2d\u5c42\u6837\u54c1\u7684\u626b\u63cf\u7535\u955c\u7535\u5b50\u80cc\u6563\u5c04\u884d\u5c04\u76f8\u56fe\uff0c\u4e3b\u8981\u7ed3\u6784\u4e3a\u03b1’ \u9a6c\u6c0f\u4f53\u4e0eC\u76f8\uff08\u5373FCC\u76f8\uff0c\u7eff\u8272\u533a\u57df\uff09\u3002<\/p>\n

d) \u53cc\u76f8\u533a\u57df\u7684\u6295\u5c04\u83ca\u6c60\u884d\u5c04\u76f8\u56fe\uff0c\u4e3b\u8981\u7ed3\u6784\u4e3a\u03b1’ \u9a6c\u6c0f\u4f53\u4e0eC\u76f8\u3002<\/p>\n

e) \u5bf9\u5e94\u7684\u900f\u5c04\u7535\u955c(TEM)\u660e\u573a\u76f8\uff0c\u63d2\u56fe\u4e3a\u5bf9\u5e94\u7684\u884d\u5c04\u82b1\u6837\u3002<\/p>\n

\u56fe2\uff1a\u5bf9C\u76f8\u7684\u900f\u5c04\u7535\u955c(TEM)\u8868\u5f81<\/p>\n

\"\"<\/p>\n

a -b) \u5728[001]\u548c[011]\u8f74\u6001\u4e0bC\u76f8\u7684\u626b\u63cf\u900f\u5c04\u9ad8\u89d2\u73af\u5f62\u6697\u573a\u50cf\u3002<\/p>\n

c -d) \u5bf9\u5e94\u7684\u5feb\u901f\u5085\u91cc\u53f6\u8f6c\u6362\u5012\u7a7a\u95f4\u70b9\u9635\u3002<\/p>\n

e\u00a0-f) C\u76f8\u4e0e\u03b1’\u76f8\u7684TEM\u660e\u573a\u76f8\u4e0e\u5bf9\u5e94\u7684\u884d\u5c04\u82b1\u6837\u3002<\/p>\n

g) \u53cc\u76f8\u533a\u57df\u7684\u539f\u5b50\u5206\u8fa8\u50cf\uff0c\u8868\u660e\u4e86\u4e24\u76f8\u53d6\u5411\u5173\u7cfb\u4e3a(0001)a<\/sub>‘<\/sub>\/\/{111}C<\/sub>, and \/\/\u3002<\/p>\n

\u56fe3\uff1a\u5bf9C\u76f8\u7684\u5143\u7d20\u5206\u6790<\/p>\n

\"\"<\/p>\n

    \n
  1. a) TEM\u6697\u573a\u76f8\uff0c\u4eae\u886c\u5ea6\u533a\u57df\u4e3aC\u76f8\u3002<\/li>\n<\/ol>\n

    b\u00a0-c) \u8be5\u533a\u57df\u5bf9\u5e94\u7684\u7535\u5b50\u80fd\u91cf\u635f\u5931\u8c31\u7684\u4f4e\u80fd\u533a\u548c\u9ad8\u80fd\u533a\u3002<\/p>\n

    d\u00a0-e) \u4e24\u76f8\u533a\u539f\u5b50\u63a2\u9488\u5c42\u6790\uff0c\u53d1\u73b0C\u76f8\u670930 at.%\u7684\u6c27\u5143\u7d20\u5bcc\u96c6\u3002<\/p>\n

    \u56fe4\uff1aDFT\u8ba1\u7b97\u7ed3\u679c<\/p>\n

    \"\"<\/p>\n

    a\u00a0-b) DFT\u7ed3\u679c\u8bc1\u5b9eO\u5143\u7d20\u5728FCC\u7ed3\u6784\u4e2d\u5904\u4e8e\u4f4e\u80fd\u7ea7\u6001\u3002<\/p>\n

    c) DFT\u7ed3\u679c\u6307\u51faO\u539f\u5b50\u4e4b\u95f4\u7b2c\u4e00\u8fd1\u90bb\u80fd\u7ea7\u6001\u6700\u9ad8\uff0c\u8bc1\u660e\u4e86O\u5143\u7d20\u5728C\u76f8\u4e2d\u662f\u56fa\u6eb6\u5f3a\u5316\u7684\u4f5c\u7528\uff0c\u800c\u4e0d\u662fTiO\u91d1\u5c5e\u4e92\u5316\u7269\u3002<\/p>\n

    \u56fe5\uff1a\u529b\u5b66\u6027\u80fd\u6d4b\u8bd5<\/p>\n

    \"\"<\/p>\n

    a) \u539f\u4f4d\u5706\u67f1\u538b\u7f29\u5b9e\u9a8c\u771f\u5b9e\u5e94\u529b\u5e94\u53d8\u66f2\u7ebf\u3002<\/p>\n

    b) \u53cc\u76f8\u5706\u67f1\u53d8\u5f62\u540e\u7684TEM\u660e\u573a\u76f8\uff0c\u5728C\u76f8\u4e2d\u89c2\u6d4b\u5230\u5927\u91cf\u53d8\u5f62\u5b6a\u6676\u548c\u9ad8\u5bc6\u5ea6\u4f4d\u9519\u3002<\/p>\n

    c) \u5757\u4f53\u6837\u54c1\u7684\u5de5\u7a0b\u5e94\u529b\u5e94\u53d8\u66f2\u7ebf\u5bf9\u6bd4\u3002<\/p>\n

    d) \u5757\u4f53\u6837\u54c1\u7684\u52a0\u5de5\u786c\u5316\u7387\u5bf9\u6bd4\u3002<\/p>\n

     <\/p>\n

    \u6587\u732e\u94fe\u63a5\uff1ahttps:\/\/doi.org\/10.1016\/j.mattod.2022.10.026<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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