电磁搅拌作用下形成分离共晶的研究

金属学报, 1995, 31(20): 374-378.

电磁搅拌作用下形成分离共晶的研究

金俊泽 , 曹志强 , 郑贤淑 , 张尚儒

基金项目: 国家自然科学基金

关键词：分离共晶 , electromagnetic stirring , solution entropy , intermetallic compound

FORMATION OF SEPARATED EUTECTIC PHENOMENON BY ELECTROMAGNETIC STIRRING

JIN Junze , CAO Zhiqiang , ZHENG Xianshu , ZHANG Shangru(Dalian University of Technology

Keywords： : separated eutectic , 电磁搅拌 , 熔解熵 , 金属间化合物

研究了近２０种简单和复杂二元共晶合金在强磁场搅拌下形成分离共晶的现象．发现大多数金属／非金属类共晶和部分金属／金属间化合物类共晶发生分离共晶现象，其判据可定为分离相的熔解熵△Ｓ≥２３Ｊ／（ｍｏｌ·Ｋ）．

The separated eutectic for nearly 20 kinds of simple and complex eutectic alloys was investigated. It shows that most metal-nonmetal eutectic and a part of metal-intemietallic compound eutectic were separated by electromagnetic stirring. The eutectic in which one of its component phases possesses an entropy of solution over 23 J/(mol. K) shows noted separation.Correspondent. JIN Junze, professor, The Engineering Research Center of Foundry, Dalian University of Technology, Dalian 116023

参考文献

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[5]	ChalmersB．PrinciplesofSolidification．NewYork:JohnWiley&Sons,1964:2022JinJunze,KobayashiKF,ShinguPH．MetallTrans,1984

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