凝固压力对真空差压铸造ZL114A合金中Si分布的影响

严青松; 王芳; 芦刚; 熊博文; 卢百平; 徐帅

doi:10.15980/j.tzzz.2013.11.017

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凝固压力对真空差压铸造ZL114A合金中Si分布的影响
Effect of Solidification Pressure on Si Distribution in Vacuum Counter-Pressure Casting ZL114A Alloy
2013年33卷第11期页码：989-992
纸质出版日期： 2013 ，
DOI： 10.15980/j.tzzz.2013.11.017

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[1]严青松,王芳,芦刚,熊博文,卢百平,徐帅.凝固压力对真空差压铸造ZL114A合金中Si分布的影响[J].特种铸造及有色合金,2013,33(11):989-992.

Yan Qingsong, Wang Fang, Lu Gang, et al. Effect of Solidification Pressure on Si Distribution in Vacuum Counter-Pressure Casting ZL114A Alloy[J]. Special Casting & Nonferrous Alloys, 2013,33(11):989-992.
[1]严青松,王芳,芦刚,熊博文,卢百平,徐帅.凝固压力对真空差压铸造ZL114A合金中Si分布的影响[J].特种铸造及有色合金,2013,33(11):989-992. DOI： 10.15980/j.tzzz.2013.11.017.

Yan Qingsong, Wang Fang, Lu Gang, et al. Effect of Solidification Pressure on Si Distribution in Vacuum Counter-Pressure Casting ZL114A Alloy[J]. Special Casting & Nonferrous Alloys, 2013,33(11):989-992. DOI： 10.15980/j.tzzz.2013.11.017.

摘要

对不同凝固压力下真空差压铸造ZL114A铝合金板形试样中Si含量分布进行了测试与分析

研究了凝固压力对真空差压铸造ZL114A合金中Si分布的影响。结果表明

在凝固压力作用下

真空差压铸造ZL114A铝合金试样会出现Si分布不均现象

试样中心Si含量小于表面Si含量;随着凝固压力的增加

试样中Si分布偏聚现象越来越严重

当凝固压力为最高的400kPa时

Si分布偏聚现象最严重。

Abstract

Effects of solidification pressure on Si distribution in vacuum counter-pressure casting ZL114A alloy were investigated through analyzing Si distribution across the ZL114Avacuum counter-pressure casting samples subjected to different solidification pressure.The results indicate that with the solidification pressure during vacuum counter-pressure casting

heterogeneous Si distribution can be observed in ZL114Acasting samples

where the Si concentration in the center is lower than that in the surface.With the increase of solidification pressure

the segregation of Si in the ZL114Acasting samples is increased continuously

and the segregation reaches the maximum value with 400kPa pressure.