Effects of solidification rate, Fe, and Ca on the cast microstructure of aluminum alloy A356

被引：0
|
作者：
Anyalebechi, PN [1 ]
机构：
[1] Grand Valley State Univ, LV Eberhard Ctr, Grand Rapids, MI 49504 USA
来源：
LIGHT METALS 2003 | 2003年
关键词：
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of solidification rate, Fe, and Ca on the characteristics of the constituent phases formed during solidification of aluminum alloy A356 have been investigated. This involved the use of unidirectionally cooled laboratory-size ingots with a range of solidification rate of 0.2-7.5 K/s. Two levels of Fe (0.05 wt.% and 0.20 wt.%) and Ca (0 ppm and 59 ppm) were investigated. Both average dendrite cell and constituent phase particle size decreased exponentially with increase in solidification rate. At the levels investigated, Ca and Fe did not have any statistically significant effect on the volume fractions and characteristics of the constituent phases.
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页码：1005 / 1015
页数：11
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