Effects of Rare Earth Element on Growth Process of α Phase in Semi-solid ZL101 Alloy

Zheng Zhiqiang1; Xiong Xingen1; Chen Keyan1; Zhan Duochan1; Yi Rongxi2

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Effects of Rare Earth Element on Growth Process of α Phase in Semi-solid ZL101 Alloy
Issue 3, Pages: 171-172(2008)
Published： 2008 ，
DOI：

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[1]郑志强,熊新根,陈克燕,占多产,易荣喜.稀土元素对ZL101合金中α相生长过程的影响[J].特种铸造及有色合金,2008(03):171-172+159.

Zheng Zhiqiang1, Xiong Xingen1, Chen Keyan1, et al. Effects of Rare Earth Element on Growth Process of α Phase in Semi-solid ZL101 Alloy. [J]. Special Casting & Nonferrous Alloys (3):171-172(2008)
[1]郑志强,熊新根,陈克燕,占多产,易荣喜.稀土元素对ZL101合金中α相生长过程的影响[J].特种铸造及有色合金,2008(03):171-172+159. DOI：

Zheng Zhiqiang1, Xiong Xingen1, Chen Keyan1, et al. Effects of Rare Earth Element on Growth Process of α Phase in Semi-solid ZL101 Alloy. [J]. Special Casting & Nonferrous Alloys (3):171-172(2008) DOI：

摘要

从热力学和动力学的角度

研究了稀土元素加入到ZL101铝合金后

稀土元素对初生α相生长情况的影响。研究结果表明

由于稀土元素的存在

改变了α相生长过程中α相与液相间的界面条件

促进了α相的球化生长。这种促进效果在稀土加入量为0.5%时效果最佳

且稀土元素的加入都会细化α相晶粒。

Abstract

Effects of rare earth element on growth of primary α phase in ZL101 alloy were described based on thermodynamics and kinetics.The results indicate that the Re can promote the spherodization of α phase due to affecting the interface condition between α phase and liquid phase during growth process

refining the grain size of α phase

and an optimal Re addition with 0.5% can be observed.