The Influence of Potassium on Solidification Processes of Al-Si Alloys

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The Influence of Potassium on Solidification Processes of Al-Si Alloys
Issue 6, Pages: 16-18(1988)
Published： 1988 ，
DOI：

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[1]边秀房,张敦荣,韩锡贵.钾对Al-Si合金凝固过程的影响[J].特种铸造及有色合金,1988(06):16-18.

The Influence of Potassium on Solidification Processes of Al-Si Alloys. [J]. Special Casting & Nonferrous Alloys (6):16-18(1988)
[1]边秀房,张敦荣,韩锡贵.钾对Al-Si合金凝固过程的影响[J].特种铸造及有色合金,1988(06):16-18. DOI：

The Influence of Potassium on Solidification Processes of Al-Si Alloys. [J]. Special Casting & Nonferrous Alloys (6):16-18(1988) DOI：

摘要

试验证明

钾不仅影响铸造Al-Si合金中Si相的形核过程

而且影响其生长过程

钾使工业用Al-Si合金的凝固方式由内生生长转变为外生生长

作者也用电子探针分析了钾在Al-Si合金中的分布。

Abstract

The experiments have been carried out on commerially pure cast Al-Si alloys It showed that addition of K affects both nucleution and growth of the Si phase. The solidification type of eutectic Al-Si changes from endogenous to exogenous by addition of K. The distribution of potassium has been found in Al-Si alloys by EPMA.