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\u76f8\u5173\u7814\u7a76\u5de5\u4f5c\u4ee5\u201cNew alloy design approach to inhibiting hot cracking in laser additive manufactured nickel-based superalloys<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728\u56fd\u9645\u9876\u7ea7\u671f\u520aActa Materialia<\/em>\u4e0a\u3002<\/p>\n

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\"\"\u56fe1 (a) LPBF\u5236\u9020\u7684\u539f\u59cb(0 wt.% Zr)\u548cZr\u6539\u6027\u7684Haynes 230 (1 wt.% Zr)\u6837\u54c1\u6cbf\u6253\u5370\u65b9\u5411(BD)\u7684OM\u56fe\u50cf\u3002(b)\u65ad\u53e3\u8868\u9762\u7684\u6676\u80de\u7279\u5f81\u8bc1\u5b9e\u4e86\u539f\u59cb\u8bd5\u6837\u7684\u70ed\u88c2\u3002\u539f\u59cbHaynes 230\u8bd5\u6837\u7684\u663e\u5fae\u7ec4\u7ec7\u7279\u5f81:(c) EBSD\u9006\u6781\u56fe(IPF)\u56fe\uff0c\u5982\u7bad\u5934\u6240\u793a\uff0c\u6cbfBD\uff0c\u663e\u793a\u88c2\u7eb9\u6cbf\u67f1\u72b6\u6676\u754c\u6269\u5c55\uff1b(d)\u6676\u754c\u5904\u7684\u7eb3\u7c73\u9897\u7c92\uff1b(g)\u56fa\u5316\u5355\u5143\u7684TEM\u4eae\u573a\u56fe\u50cf\uff1b(h) \u4e3a(g)\u4e2dNi2<\/sub>W4<\/sub>C\u9897\u7c92\u7684SAED\u56fe\u3002Zr\u6539\u6027\u7279\u5f81Haynes 230\u5408\u91d1\u6837\u54c1\u7684\u663e\u5fae\u7ec4\u7ec7:(e)\u8fde\u7eed\u7684\u7f51\u72b6\u6c89\u6dc0\u7269\u805a\u96c6\u5728\u6676\u754c\uff1b(f)\u6cbfBD\u7684EBSD IPF \uff1b(i)\u56fa\u5316\u5355\u5143\u7684TEM\u4eae\u573a\u56fe\u50cf\uff1b(j)\u4e3a(i)\u91d1\u5c5e\u95f4Ni11<\/sub>Zr9<\/sub>\u76f8\u7684SAED\u56fe\u3002\u00a92023 Acta Materialia Inc.<\/p>\n

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

\u56fe2 (a)\u539fHaynes 230\u5408\u91d1\u548cZr\u6539\u6027Haynes 230\u5408\u91d1\u7684Scheil-Gulliver\u51dd\u56fa\u66f2\u7ebf\u3002(b)\u539fHaynes 230\u5408\u91d1\u548cZr\u6539\u6027Haynes 230\u5408\u91d1\u4ece30\u2103\u52a0\u70ed\u52301450\u2103\u65f6\u7684DSC\u7ed3\u679c\u3002(c)\u4e0d\u540cZr\u542b\u91cf\u4e0b\u6253\u5370\u6837\u54c1\u7684XRD\u8c31\u56fe\u3002(d)\u5bf9\u5e94\u6837\u54c1\u7684(220)\u548c(200)\u884d\u5c04\u5cf0\u5f3a\u5ea6\u6bd4\u968fZr\u542b\u91cf\u7684\u53d8\u5316\u3002\u6b8b\u4f59\u5e94\u529b\u503c\u7531\u63d0\u4f9bsin2<\/sup>\u03c8\u65b9\u6cd5\u8ba1\u7b97\u5f97\u5230\u3002\u00a92023 Acta Materialia Inc.<\/p>\n

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

\u56fe3\u00a0 LPBF\u5236\u9020\u7684\u542b\u6709(a, e) 0 wt.%\uff0c (b, f) 0.5 wt.%\uff0c (c, g) 1 wt.%\uff0c (d, h) 1.5 wt.%Zr\u7684Haynes 230\u6837\u54c1\u7684\u4ee3\u8868\u6027OM\u548cSEM\u56fe\u50cf\u578b\u3002\u6676\u754c\u7528\u9ec4\u8272\u7bad\u5934\u8868\u793a\u3002\u00a92023 Acta Materialia Inc.<\/p>\n

\"\"\u56fe4 \u539f\u59cb\u548cZr\u6539\u6027Haynes 230\u6837\u54c1\u7684\u6253\u5370\u5fae\u89c2\u7ed3\u6784\u3002\u4eae\u573aTEM\u56fe\u50cf\u6cbf<011>\u5e26\u8f74\u7684(a, d)\u6a2a\u5411\u548c(b, e)\u5206\u522b\u4e3a\u539f\u59cb\u548cZr\u6539\u6027Haynes 230\u6837\u54c1\u7684\u7eb5\u5411\u5355\u5143\u5fae\u89c2\u7ed3\u6784\u3002(c)\u5355\u5143\u8fb9\u754c\u5904Ni11<\/sub>Zr9<\/sub>\u76f8\u7684HRTEM\u56fe\u50cf\uff0c(f) (c)\u4e2d\u9ec4\u6846\u6807\u8bb0\u7684(201)\u5e73\u9762\u533a\u57df\u5bf9\u5e94\u7684\u9006\u5feb\u901f\u53d8\u6362\u56fe\u50cf\u3002\u00a92023 Acta Materialia Inc.<\/p>\n

\"\"\u56fe5 (a, b) SEM\u56fe\u50cf\u5206\u522b\u663e\u793a\u4e86\u539f\u59cb\u548cZr\u6539\u6027\u7684Haynes 230\u6837\u54c1\u70ed\u5904\u7406\u540e\u7684\u663e\u5fae\u7ed3\u6784\u6982\u51b5\u3002(c)\u900f\u5c04\u7535\u955c\u56fe\u50cf\u663e\u793a\u7eb3\u7c73\u6c89\u6dc0\u7269\u5747\u5300\u5206\u5e03\u3002(d)\u900f\u5c04\u7535\u955c\u56fe\u50cf\uff0c\u663e\u793a(a)\u4e2d\u8be6\u7ec6\u7684\u5fae\u89c2\u7ed3\u6784\uff0c\u5176\u4e2dM6<\/sub>C\u6c89\u6dc0\u70b9\u7f00\u6676\u754c\u3002(e) Ni, W, Cr, Zr, Mo\u548cc\u7684EDS\u56fe(f) (c)\u4e2dZrC\u9897\u7c92\u7684SAED\u56fe\u3002\u00a92023 Acta Materialia Inc.<\/p>\n

\"\"\u56fe6 (a)\u6253\u5370\u3001\u70ed\u5904\u7406Zr\u6539\u6027\u548c\u539f\u59cbHaynes 230\u8bd5\u6837\u7684\u5de5\u7a0b\u5e94\u529b-\u5e94\u53d8\u66f2\u7ebf\u3002(b) LPBF\u5236\u9020\u7684Haynes 230\u3001\u5148\u524d\u62a5\u9053\u7684\u953b\u9020Haynes 230\u548c\u672c\u6587\u5236\u5907\u7684\u6837\u54c1\u7684\u5c48\u670d\u5f3a\u5ea6\u5ef6\u4f38\u6570\u636e\u6458\u8981\u3002\u00a92023 Acta Materialia Inc.<\/p>\n

\"\"\u56fe7 \u62c9\u4f38\u53d8\u5f62\u540e\u7ecfZr\u6539\u6027\u7684Haynes 230\u8bd5\u6837\u7684TEM\u548cSEM\u56fe\u50cf\u3002(a)\u6253\u5370\u6837\u54c1\u4e2dNi11<\/sub>Zr9<\/sub>\u754c\u9762\u5904\u5806\u79ef\u7684\u4f4d\u9519\uff0c(b) ZrC\u9897\u7c92\u5468\u56f4\u5806\u79ef\u7684\u4f4d\u9519\uff0c(c)\u6253\u5370\u6837\u54c1\u80de\u95f4\/\u6676\u5185\u6495\u88c2\u65ad\u88c2\u7279\u5f81\uff0c(d)\u70ed\u5904\u7406\u540e\u6837\u54c1\u7684\u97e7\u7a9d\u65ad\u88c2\u7279\u5f81\u3002\u00a92023 Acta Materialia Inc.<\/p>\n

\u4e94\u3001\u3010\u6210\u679c\u542f\u793a\u3011<\/strong><\/p>\n

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\u00a0<\/strong><\/p>\n

\u539f\u6587\u8be6\u60c5<\/strong>\uff1ahttps:\/\/www.sciencedirect.com\/science\/article\/pii\/S135964542300068X?via%3Dihub<\/p>\n","protected":false},"excerpt":{"rendered":"

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