A356铝合金半固态触变成形件的缺陷分布及控制

王建甫; 杨弋涛; 张恒华; 邵光杰

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A356铝合金半固态触变成形件的缺陷分布及控制
Defects Distribution and Control of Semi-solid Aluminum Alloy （A356） Parts in Thixoforming Process
2007年第7期页码：522-524
纸质出版日期： 2007 ，
DOI：

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[1]王建甫,杨弋涛,张恒华,邵光杰.A356铝合金半固态触变成形件的缺陷分布及控制[J].特种铸造及有色合金,2007(07):522-524+489.

Wang Jianfu, Yang Yitao, Zhang Henghua, et al. Defects Distribution and Control of Semi-solid Aluminum Alloy （A356） Parts in Thixoforming Process[J]. Special Casting & Nonferrous Alloys, 2007,(7):522-524.
[1]王建甫,杨弋涛,张恒华,邵光杰.A356铝合金半固态触变成形件的缺陷分布及控制[J].特种铸造及有色合金,2007(07):522-524+489. DOI：

Wang Jianfu, Yang Yitao, Zhang Henghua, et al. Defects Distribution and Control of Semi-solid Aluminum Alloy （A356） Parts in Thixoforming Process[J]. Special Casting & Nonferrous Alloys, 2007,(7):522-524. DOI：

摘要

通过缺陷显微分析、力学性能测试以及计算机模拟对A356铝合金触变成形的样件进行了详细分析。结果表明

半固态成形的流场状况对于缺陷的产生和分布规律有显著的影响

进而也影响了样件的力学性能。通过改善半固态的流场

可明显减少缺陷

提高力学性能。

Abstract

The thixo-formed A356 alloy parts were investigated by micro-defects analysis

mechanical properties testing and numerical simulation.The results reveal that the appearance and distribution of defects in parts were seriously affected by the state of fluid field during filling to deteriorate the mechanical properties.The defects in the parts can be greatly reduced to improve the mechanical properties by optimizing the fluid field in the thixo-forming process.