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金属学报  1994, Vol. 30 Issue (6): 286-288    
  论文 本期目录 | 过刊浏览 |
电磁流体流动对Al-Al_2Cu共晶形态的影响
焦育宁;刘清民;杨院生;葛云龙;胡壮麒
中国科学院金属研究所;中国科学院金属研究所
EFFECTS OF ELECTROMAGNETIC FLUID FLOW ON Al-Al_2Cu EUTECTIC MORPHOLOGIES
JIAO Yuning;LIU Qingmin;YANG Yuangsheng;GE Yunlong;HU Zhuangqi(Institute of Metal Research;Chinese Academy of Sciences;Shenyang)(Manuscript received 4 October;1993;in revised form 12 November;1993)
引用本文:

焦育宁;刘清民;杨院生;葛云龙;胡壮麒. 电磁流体流动对Al-Al_2Cu共晶形态的影响[J]. 金属学报, 1994, 30(6): 286-288.
, , , , . EFFECTS OF ELECTROMAGNETIC FLUID FLOW ON Al-Al_2Cu EUTECTIC MORPHOLOGIES[J]. Acta Metall Sin, 1994, 30(6): 286-288.

全文: PDF(292 KB)  
摘要: 研究了Al-33%Cu共晶合金在电磁流体流动下的凝固行为.发现增加流速使Al-Al_2Cu共晶由规则层片状向非规则层片状、非规则棒状、直至规则棒状共晶形态转化,同时层片间距λ略有增加.流体流动造成的溶质重新分配是产生非规则层片共晶及其它形态共晶的主要原因.
关键词 电磁流体流动层片状共晶棒状共晶Al-Al_2Cu共晶    
Abstract:The solidification behaviour of Al-33% Cu eutectic alloy under the influnence of an electromagnetic fluid flow has been studied.It is found that with the increase of flow velocity,the Al-Al2Cu eutectic morphologies changes from regular laminae to unregular laminae,unregular rods up to regular rods and the laminar spacingsλ have a little increase.The solute redistribution caused by fluid flow is a main factor for the formation of unregular and other eutectic morphologies.
Key wordselectromagnetic fluid flow    laminar eutectic    rod eutectic    Al-Al_2Cu eutectic
收稿日期: 1994-06-18     
基金资助:国家石化总公司资助;;863青年基金
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[1] 潘冶;孙国雄. 棒状共晶的凝固模型[J]. 金属学报, 1996, 32(2): 120-126.