{"id":104746,"date":"2017-10-04T06:30:33","date_gmt":"2017-10-03T22:30:33","guid":{"rendered":"\/\/m.iemloyee.com\/?p=104746"},"modified":"2017-10-03T20:09:09","modified_gmt":"2017-10-03T12:09:09","slug":"%e9%ad%8f%e7%82%b3%e6%b3%a2%e9%99%a2%e5%a3%abacta-mater%ef%bc%9a%e5%be%ae%e9%87%8d%e5%8a%9b%e6%9d%a1%e4%bb%b6%e4%b8%8balagge%e5%90%88%e9%87%91%e7%9a%84%e5%87%9d%e5%9b%ba","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=104746","title":{"rendered":"\u9b4f\u70b3\u6ce2\u9662\u58ebActa Mater\uff1a\u5fae\u91cd\u529b\u6761\u4ef6\u4e0bAlAgGe\u5408\u91d1\u7684\u51dd\u56fa"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u5728\u5fae\u91cd\u529b\u6216\u96f6\u91cd\u529b\u6761\u4ef6\u4e0b\uff0c\u5408\u91d1\u7194\u4f53\u5728\u51dd\u56fa\u8fc7\u7a0b\u4e2d\u81ea\u7136\u5bf9\u6d41\u548c\u70ed\u6bdb\u7ec6\u73b0\u8c61\u5927\u5927\u51cf\u5c11\u3002\u56e0\u6b64\u5728\u5fae\u91cd\u529b\u6216\u96f6\u91cd\u529b\u6761\u4ef6\u4e0b\u51dd\u56fa\u7684\u5408\u91d1\u7ec4\u7ec7\u4e0e\u5e73\u8861\u51dd\u56fa\u7684\u5408\u91d1\u7ec4\u7ec7\u6709\u5f88\u5927\u7684\u533a\u522b\u3002\u8003\u8651\u5230\u5728\u56fd\u9645\u7a7a\u95f4\u7ad9\u6216\u5b87\u5b99\u98de\u8239\u4e0a\u8fdb\u884c\u51dd\u56fa\u5b9e\u9a8c\u7684\u6210\u672c\u592a\u9ad8\uff0c\u7814\u7a76\u4eba\u5458\u4e00\u822c\u91c7\u7528\u843d\u7ba1\u6280\u672f\u6765\u6a21\u62df\u5408\u91d1\u7194\u4f53\u5728\u5931\u91cd\u6761\u4ef6\u4e0b\u7684\u51dd\u56fa\u5e76\u7814\u7a76\u7ec4\u7ec7\u7684\u6f14\u53d8\u8fc7\u7a0b\u548c\u673a\u7406\u3002\u4f46\u662f\u901a\u8fc7\u843d\u7ba1\u6280\u672f\u5236\u5907\u7684\u5408\u91d1\u5c3a\u5bf8\u5f88\u5c0f\uff0c\u6545\u65e0\u6cd5\u901a\u8fc7\u5e38\u89c4\u7684\u529b\u5b66\u6d4b\u8bd5\u624b\u6bb5\uff0c\u5982\u5ba4\u6e29\u62c9\u4f38\u3001\u663e\u5fae\u786c\u5ea6\uff0c\u6765\u6d4b\u8bd5\u5408\u91d1\u7684\u529b\u5b66\u6027\u80fd\uff0c\u6240\u4ee5\u901a\u5e38\u91c7\u7528\u7eb3\u7c73\u538b\u75d5\u6765\u8fdb\u884c\u529b\u5b66\u6027\u80fd\u6d4b\u8bd5\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u6765\u81ea\u4e2d\u56fd\u897f\u5317\u5de5\u4e1a\u5927\u5b66<\/strong>\u7684\u9b4f\u70b3\u6ce2\u9662\u58eb\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u5728Acta Mater.<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u540d\u4e3a\u201cStructural evolution and micromechanical properties of ternary AlAgGe alloy solidified under microgravity condition<\/strong>\u201d\u7684\u6587\u7ae0\u3002\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u843d\u7ba1\u6cd5\u6765\u83b7\u5f97\u7814\u7a76\u6240\u9700\u7684\u5fae\u91cd\u529b\u6761\u4ef6\uff0c\u540c\u65f6\u901a\u8fc7XRD\u3001SEM\u3001TEM\u7b49\u8868\u5f81\u4e86\u4e0d\u540c\u5c3a\u5bf8\u7684\u5408\u91d1\u6db2\u6ef4\u51dd\u56fa\u540e\u7684\u663e\u5fae\u7ec4\u7ec7\uff0c\u5e76\u7528\u7eb3\u7c73\u538b\u75d5\u5b9e\u9a8c\u548c\u6052\u8f7d\u8377\u5212\u75d5\u5b9e\u9a8c\u6d4b\u8bd5\u4e86\u5176\u76f8\u5e94\u7684\u529b\u5b66\u6027\u80fd\u3002<\/p>\n \u901a\u8fc7\u5b9e\u9a8c\u53d1\u73b0\uff1a\u5728\u5fae\u91cd\u529b\u60c5\u51b5\u4e0b\uff0c\u968f\u7740\u5408\u91d1\u6db2\u6ef4\u7684\u5c3a\u5bf8\u51cf\u5c0f\uff0c\u51dd\u56fa\u540e\u7684\u7ec4\u7ec7\u66f4\u52a0\u5747\u5300\uff0c\u76f8\u5e94\u7684\u529b\u5b66\u6027\u80fd\u66f4\u597d\uff1b\u76f8\u6bd4\u4e0eDSC\u6837\u54c1\uff0c\u5728\u5fae\u91cd\u529b\u60c5\u51b5\u4e0b\uff0c\u7531\u4e8e\u8f83\u5927\u7684\u51b7\u5374\u901f\u7387\u548c\u8fc7\u51b7\u5ea6\u4ee5\u53ca\u81ea\u7136\u5bf9\u6d41\u53d7\u9650\uff0c\u51dd\u56fa\u540e\u7684\u6837\u54c1\u8868\u9762\u5f62\u6210\u4e00\u5c42\uff08Ge\uff09\u5c42\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe1\uff1aAl-Ag-Ge\u4e09\u5143\u5408\u91d1\u76f8\u56fe<\/strong><\/p>\n A\u70b9\u4ee3\u8868\u6240\u7814\u7a76\u7684\u5408\u91d1\u6210\u5206\uff1aAl57<\/sub>Ag12<\/sub>Ge31<\/sub>\uff1b\u7531\u4e8eA\u70b9\u4f4d\u4e8e\uff08Ge\uff09\u76f8\u533a\uff0c\u5219\u5728\u5e73\u8861\u51dd\u56fa\u8fc7\u7a0b\u4e2d\u7684\uff08Ge\uff09\u4e3a\u521d\u751f\u76f8\u3002<\/p>\n \u56fe2\uff1aAl57<\/sub>Ag12<\/sub>Ge31<\/sub>\u5408\u91d1\u7684DSC\u56fe\u548cXRD\u5206\u6790<\/strong><\/p>\n (a<\/strong>) DSC\u66f2\u7ebf\uff1b<\/p>\n (b<\/strong>) XRD\u5206\u6790\u7ed3\u679c\uff1a\uff08Ge\uff09\u4e3a\u4e3b\u8981\u76f8\uff0c\u5176\u6b21\u662fAg2Al\u6700\u540e\u662f\uff08Al\uff09\u3002<\/p>\n \u56fe3\uff1aDSC\u6837\u54c1\u7684\u5fae\u89c2\u7ed3\u6784\u5206\u6790<\/strong><\/p>\n (a<\/strong>) \u6837\u54c1\u7684\u91d1\u76f8\u56fe\uff1b<\/p>\n (b<\/strong>) (a)\u4e2d\u5c40\u90e8\u653e\u5927\u91d1\u76f8\u56fe\uff1b<\/p>\n (c<\/strong>) (a)\u4e2d\u5c40\u90e8\u653e\u5927SEM\u56fe\uff1b<\/p>\n (d-f<\/strong>) (b)\u4e2d\u2460\u70b9\u3001\u2461\u70b9\u548c\u2462\u70b9\u7684EDS\u5206\u6790\u7ed3\u679c\u3002<\/p>\n \u56fe4\uff1a\u4e0d\u540c\u5c3a\u5bf8\u7684\u5408\u91d1\u6db2\u6ef4\u5728\u5fae\u91cd\u529b\u6761\u4ef6\u4e0b\u51dd\u56fa\u540e\u7684\u5149\u5b66\u663e\u5fae\u56fe\u7247<\/strong><\/p>\n (a<\/strong>) \u5e73\u5747\u76f4\u5f84d= 540\u00b5m;<\/p>\n (b<\/strong>) \u5e73\u5747\u76f4\u5f84 d=300 \u00b5m;<\/p>\n (c<\/strong>) \u5e73\u5747\u76f4\u5f84d=100 \u00b5m\u3002<\/p>\n \u56fe5\uff1a\u4e0d\u540c\u5c3a\u5bf8\u7684\u5408\u91d1\u6db2\u6ef4\u5728\u5fae\u91cd\u529b\u6761\u4ef6\u4e0b\u51dd\u56fa\u540e\u7684SEM\u56fe<\/strong><\/p>\n (a<\/strong>) \u5e73\u5747\u76f4\u5f84d= 480\u00b5m;<\/p>\n (b<\/strong>) \u5e73\u5747\u76f4\u5f84d=250 \u00b5m;<\/p>\n (c<\/strong>) \u5e73\u5747\u76f4\u5f84d=140 \u00b5m\u3002<\/p>\n \u56fe6\uff1a\u5408\u91d1\u6db2\u6ef4\u5728\u5fae\u91cd\u529b\u6761\u4ef6\u4e0b\u4e09\u6761\u51dd\u56fa\u8def\u5f84\u793a\u610f\u56fe<\/strong><\/p>\n \u968f\u7740\u5408\u91d1\u6db2\u6ef4\u7684\u5c3a\u5bf8\u7684\u51cf\u5c0f\uff0c\u51dd\u56fa\u9014\u5f84\u4f9d\u6b21\u4e3a\u9014\u5f84A\u2192\u9014\u5f84B\u2192\u9014\u5f84C\u3002\u9014\u5f84A\uff1a\u6db2\u76f8\u2192\u6811\u679d\u72b6\uff08Ge\uff09\u521d\u6676\u2192Ag2<\/sub>Al\u679d\u6676\u2192Ge\uff09\u548c\uff08Al\uff09\u7684\u5171\u6676\uff1b\u9014\u5f84B\uff1a\u6db2\u76f8\u2192\uff08Ge\uff09\u548cAg2<\/sub>Al\u7684\u5171\u6676\u2192\uff08Ge\uff09\u548c\uff08Al\uff09\u7684\u5171\u6676\uff1b\u9014\u5f84C\uff1a\u6db2\u76f8\u2192\uff08Ge\uff09\u3001Ag2<\/sub>Al\u548c\uff08Al\uff09\u7684\u4e09\u5143\u5171\u6676\u3002<\/p>\n \u56fe7\uff1a\u5408\u91d1\u6db2\u6ef4\u7684\u51b7\u5374\u66f2\u7ebf\u4ee5\u53ca\u51b7\u5374\u901f\u7387\u4e0e\u8fc7\u51b7\u5ea6\u968f\u6db2\u6ef4\u5e73\u5747\u5c3a\u5bf8\u7684\u53d8\u5316\u66f2\u7ebf<\/strong><\/p>\n (a<\/strong>) \u51b7\u5374\u66f2\u7ebf\uff1b<\/p>\n (b<\/strong>) \u51b7\u5374\u901f\u7387Rc<\/sub>\u4e0e\u8fc7\u51b7\u5ea6\u0394T\u968f\u6db2\u6ef4\u5e73\u5747\u5c3a\u5bf8d\u7684\u53d8\u5316\u66f2\u7ebf\uff0cRc1<\/sub>\u548cRc2<\/sub>\u5206\u522b\u662f\u4e0b\u843d\u524d\u7684\u51b7\u5374\u901f\u7387\u548c\u4e0b\u843d\u65f6\u51dd\u56fa\u524d\u7684\u51b7\u5374\u901f\u7387\uff1b\u51b7\u5374\u901f\u7387\u7531Newtonian\u6a21\u578b\u7b97\u51fa\uff0c\u0394T\u4e5f\u662f\u7531\u76f8\u5e94\u7684\u4f20\u70ed\u6a21\u578b\u7b97\u51fa\u3002<\/p>\n \u56fe8\uff1a\uff08Ge\uff09\u5c42\u7684\u5f62\u6210<\/strong><\/p>\n (a<\/strong>) \uff08Ge\uff09\u5c42\u7684\u5f62\u6210\u7684\u793a\u610f\u56fe\uff1bVS<\/sub>\u4ee3\u8868\u5411\u4e0b\u7684\u81ea\u7136\u5bf9\u6d41\u901f\u7387\uff0cVmt<\/sub>\u4ee3\u8868\u7531\u6e29\u5ea6\u68af\u5ea6\u4ea7\u751f\u5411\u91cc\u7684Ge\u7684\u8fc1\u79fb\u901f\u7387\uff0cVmc<\/sub>\u4ee3\u8868\u7531\u6d53\u5ea6\u68af\u5ea6\u4ea7\u751f\u7684\u5411\u5916\u7684Ge\u7684\u8fc1\u79fb\u901f\u7387\uff1b<\/p>\n (b<\/strong>) \uff08Ge\uff09\u5c42\u539a\u5ea6\u03b4\u4e0e\u5f62\u6210\u7684\u53ef\u80fd\u6027Ps\u968f\u6db2\u6ef4\u5e73\u5747\u5c3a\u5bf8d\u53d8\u5316\u66f2\u7ebf\u3002<\/p>\n \u56fe9\uff1a\u4e0d\u540c\u5c3a\u5bf8\u7684\u5408\u91d1\u6db2\u6ef4\u5728\u5fae\u91cd\u529b\u6761\u4ef6\u4e0b\u51dd\u56fa\u540e\u7684\u663e\u5fae\u786c\u5ea6\u7ed3\u679c<\/strong><\/p>\n Regime1 \u4ee3\u8868\u76f8\u5e94\u5c3a\u5bf8\u4e0b\u7684\u5408\u91d1\u6db2\u6ef4\u51dd\u56fa\u540e\u7684\u7ec4\u7ec7\u4e3a\u6811\u679d\u6676\u52a0\u4e8c\u5143\u5171\u6676\u7ec4\u7ec7\uff1bRegime2 \u4ee3\u8868\u76f8\u5e94\u5c3a\u5bf8\u4e0b\u7684\u5408\u91d1\u6db2\u6ef4\u51dd\u56fa\u540e\u7684\u7ec4\u7ec7\u4e3a\u4e8c\u5143\u5171\u6676\u7ec4\u7ec7\uff1bRegime3 \u4ee3\u8868\u76f8\u5e94\u5c3a\u5bf8\u4e0b\u7684\u5408\u91d1\u6db2\u6ef4\u51dd\u56fa\u540e\u7684\u7ec4\u7ec7\u4e3a\u4e09\u5143\u5171\u6676\u7ec4\u7ec7\u3002<\/p>\n \u56fe10\uff1a\u4e0d\u540c\u5c3a\u5bf8\u7684\u5408\u91d1\u6db2\u6ef4\u5728\u5fae\u91cd\u529b\u6761\u4ef6\u4e0b\u51dd\u56fa\u540e\u7684\u529b\u5b66\u6027\u80fd<\/strong><\/p>\n (a<\/strong>) \u5c3a\u5bf8\u4e3a530 \u00b5m \u7684\u91d1\u5c5e\u6db2\u6ef4\u51dd\u56fa\u540e\u7684\u5212\u75d5\u7684\u4e09\u7ef4\u5f62\u8c8c\uff1b<\/p>\n (b<\/strong>) (a)\u4e2d\u5212\u75d5\u622a\u9762\uff0c\u5206\u522b\u4e3a\u5806\u51fa\u9ad8\u5ea6\u548c\u5212\u75d5\u6df1\u5ea6\uff1b<\/p>\n (c<\/strong>) hp\u548chr\u968f\u7740\u6db2\u6ef4\u5c3a\u5bf8d\u7684\u53d8\u5316\u66f2\u7ebf\uff1b<\/p>\n (d<\/strong>) \u540d\u4e49\u5806\u51fa\u9ad8\u5ea6rp\uff08rp=hp\/hr\uff09\u968f\u7740\u6db2\u6ef4\u5c3a\u5bf8d\u7684\u53d8\u5316\u66f2\u7ebf\uff1b<\/p>\n (e<\/strong>) \u5c48\u670d\u5f3a\u5ea6\u03c3s\u548c\u5e94\u53d8\u786c\u5316\u6307\u6570n\u968f\u7740\u6db2\u6ef4\u5c3a\u5bf8d\u7684\u53d8\u5316\u66f2\u7ebf\uff1b<\/p>\n (f<\/strong>) rp\u548c\u03c3s\/E*\u968f\u7740\u786c\u5ea6Hm\u7684\u53d8\u5316\u66f2\u7ebf\uff0cE*\u4e3a\u51cf\u5c11\u7684\u5f39\u6027\u6a21\u91cf\u3002<\/p>\n \u56fe11\uff1a\u4e0d\u540c\u5c3a\u5bf8\u7684\u5408\u91d1\u6db2\u6ef4\u5728\u5fae\u91cd\u529b\u6761\u4ef6\u4e0b\u51dd\u56fa\u540e\u7684\u6469\u64e6\u884c\u4e3a\uff08\u4ee5DSC\u6837\u54c1\u4e3a\u53c2\u6bd4\u6837\u54c1\uff09<\/strong><\/p>\n (b<\/strong>) \u5e73\u5747\u6469\u64e6\u7cfb\u6570fm\u968f\u7740\u6db2\u6ef4\u5c3a\u5bf8d\u53d8\u5316\u66f2\u7ebf\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u901a\u8fc7\u7814\u7a76\u53d1\u73b0\uff1a\u968f\u7740\u5408\u91d1\u6db2\u6ef4\u76f4\u5f84\u4ece600\u00b5m\u51cf\u5c0f\u5230120\u00b5m\uff0c\u51b7\u5374\u901f\u7387\u8fbe\u5230\u4e867.2\u00d7103K.s -1<\/sup>\uff0c\u800c\u8fc7\u51b7\u5ea6\u8fbe\u5230\u4e86211K\uff0c\u6700\u7ec8\u5bfc\u81f4\u5408\u91d1\u7684\u51dd\u56fa\u540e\u7684\u7ec4\u7ec7\u53d1\u751f\u4e86\u6539\u53d8\uff1a\u4ece\u6811\u679d\u72b6\uff08Ge\uff09\u521d\u6676+Ag2<\/sub>Al\u679d\u6676+\uff08Ge\uff09\u548c\uff08Al\uff09\u7684\u5171\u6676\u2192\uff08Ge\uff09\u548cAg2<\/sub>Al\u7684\u5171\u6676+\uff08Ge\uff09\u548c\uff08Al\uff09\u7684\u5171\u6676\u2192\uff08Ge\uff09\u3001Ag2<\/sub>Al\u548c\uff08Al\uff09\u7684\u4e09\u5143\u5171\u6676\uff0c\u800c\uff08Ge\uff09\u4e5f\u53d8\u5f97\u8d8a\u6765\u7ec6\u5c0f\u5f25\u6563\uff0c\u4ece\u800c\u5bfc\u81f4\u5408\u91d1\u7684\u529b\u5b66\u6027\u80fd\u7684\u63d0\u9ad8\u3002\u53e6\u5916\uff08Ge\uff09\u5c42\u7684\u5f62\u6210\u662f\u7531\u4e8e\u7531\u6d53\u5ea6\u68af\u5ea6\u4ea7\u751f\u7684\u5411\u5916\u7684Ge\u7684\u8fc1\u79fb\u901f\u7387\u5927\u4e8e\u7531\u6e29\u5ea6\u68af\u5ea6\u4ea7\u751f\u5411\u91cc\u7684Ge\u7684\u8fc1\u79fb\u901f\u7387\u3002\u968f\u7740\u5408\u91d1\u6db2\u6ef4\u7684\u5c3a\u5bf8\u53d8\u5c0f\uff0c\u51b7\u5374\u901f\u7387\u548c\u8fc7\u51b7\u5ea6\u7684\u540c\u65f6\u589e\u5927\uff0c\u4ece\u800c\u5bfc\u81f4Ge\u6765\u4e0d\u53ca\u5411\u5916\u6269\u6563\uff0c\u6700\u7ec8\u5bfc\u81f4\uff08Ge\uff09\u5c42\u539a\u5ea6\u7684\u51cf\u5c0f\u3002<\/p>\n \u6587\u732e\u94fe\u63a5\uff1aStructural evolution and micromechanical properties of ternary Al-Ag-Ge alloysolidified under microgravity condition<\/a><\/strong>\uff08Acta Mater\uff0cDOI: 10.1016\/j.actamat.2017.09.033\uff09<\/p>\n \u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u65b0\u4eba\u7ec4\u5218\u51a0\u534e\u7f16\u8bd1\uff0c\u9648\u70b3\u65ed\u5ba1\u6838\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n
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\n (a<\/strong>) \u6469\u64e6\u7cfb\u6570f\u6cbf\u7740\u5212\u75d5\u65b9\u5411\u7684\u53d8\u5316\u66f2\u7ebf\uff1b<\/p>\n