Effect of barium on the refinement of primary aluminum and eutectics in a hypoeutectic Al-Si alloy

被引：0

作者：

Li, W ^{[1
]}

Fan, HY ^{[1
]}

Zhang, XJ ^{[1
]}

Shen, BL ^{[1
]}

机构：

[1] Sichuan Univ, Sch Mfg Sci & Engn, Chengdu 610065, Peoples R China

来源：

RARE METALS | 2003年 / 22卷 / 03期

关键词：

non-ferrous metal; barium modification; primary aluminum; eutectic; Al-Si alloy;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effect of barium on the refinement of primary aluminum and on the modification of eutectics in a hypoeutectic aluminum-silicon alloy was investigated. The results indicate that barium not only modifies the eutectic silicon but also refines the primary aluminum and there is a relationship between the retained barium and the second spacing of primary aluminum. Experiments of barium-treated commercial Al-Si hypoeutectic alloy show that barium is a better modifier than sodium when there is a longer holding time.

引用

页码：192 / 196

页数：5

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