Effect of convective flow on the liquid-liquid phase transformation of monotectic alloys

被引：0
|
作者：
Li, Haili [1 ]
Zhao, Jiuzhou [1 ]
Li, Zhongyuan [1 ]
He, Jie [1 ]
机构：
[1] Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
来源：
Jinshu Xuebao/ Acta Metallurgica Sinica | 2008年 / 44卷 / 09期
关键词：
Heat convection - Flow of fluids - Microstructure - Lead alloys - Liquids - Drops - Aluminum alloys - Solidification;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A two-phase convective flow model describing the microstructure evolution during the liquid phase transformation in monotectic alloy was developed by taking into account of the convective effect and used in analyzing Al-Pb alloy. The results indicate that the convection changes the nucleation behavior of the minority phase droplets, enhances the maximums of the number density, the radius and the volume fraction of the droplets in front of the solidification interface, and promotes the formation of the solidification microstructure with serious macro segregation.
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页码：1081 / 1084
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