Liquid segregation behaviour of a semi-solid squeeze cast A356 aluminium cup-shaped part

被引：8

作者：

Beigi, Mir Taher Seiyed ^{[1
]}

Niroumand, Behzad ^{[1
]}

机构：

[1] Isfahan Univ Technol, Dept Mat Engn, Esfahan 8415683111, Iran

来源：

MATERIALS SCIENCE AND TECHNOLOGY | 2017年 / 33卷 / 18期

关键词：

Semi-solid rheocasting; A356 aluminium alloy; squeeze casting; liquid segregation; microstructure; BACKWARD EXTRUSION PROCESS; RHEOLOGICAL BEHAVIOR; ALLOY; STATE; MICROSTRUCTURE; EVOLUTION;

D O I：

10.1080/02670836.2017.1374498

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study, the effects of pouring temperature (solid fraction of primary particles) on the structure and liquid segregation behaviour of a cup-shaped semi-solid rheocast processed casting made from the A356 aluminium alloy were investigated. Results showed that the solid fraction of primary particles at the bottom of the castings was greater than in other parts of the castings, and the highest liquid segregation occurred in the mid-height (wall) of the castings. Liquid segregation was increased with an increase in the initial solid fraction of primary particles. The critical solid fraction at pouring for minimum liquid segregation was found to be approximately 25%.

引用

页码：2203 / 2211

页数：9

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