简介概要

Effect of electric current on stability of solidification interface morphology

来源期刊:中国有色金属学报(英文版)2000年第4期

论文作者:常国威 袁军平 王自东 吴春京 王新华 胡汉起

文章页码:445 - 448

Key words:Cu-Al alloy; unidirectional solidification; interface; morphology; stability

Abstract: Based on theoretical analyses, the effect of electric current density on stability of solidification interface morphology of QAl-4 alloy was studied experimentally. The results show that the experimental results agree well with the theoretical analyses, and the following conclusions can be drawn: the increase of electric current density improves the stability of the solidification interface morphology under the condition of no convection of the liquid metal. Otherwise this convection will slow down the trend of solidification interface developing to stability caused by increasing electric current density.

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