A now deformation-semi-solid casting process of highly concentrated Fe containing Al-Si-Cu-Fe cast alloys

被引：8

作者：

Sato, Tatsuo ^{[1
]}

Tezuka, Hiroyasu ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Met & Ceram Sci, Meguro Ku, Tokyo 1528552, Japan

来源：

SEMI- SOLID PROCESSING OF ALLOYS AND COMPOSITES | 2006年 / 116-117卷

关键词：

Al-Si-Cu-Fe alloy; deformation-semi-solid casting; microstructure; spheroidization; intermetallic compound; mechanical properties;

D O I：

10.4028/www.scientific.net/SSP.116-117.247

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A newly proposed process of the deformation-semi-solid casting (D-SSC) process was applied to the highly concentrated Fe containing Al-7%Si-3%Cu-1%Fe alloys (in mass%) to eliminate the harmful influence of impurity Fe. The proposed D-SSC process consists of hot-deformation, heating to the semi-solid temperature and subsequent casting. The markedly improved microstructures and mechanical properties of the fabricated alloys by the D-SSC process were investigated. In the microstructure observation, the size and shape of the characteristic morphologies of the primary alpha-Al phase and the Fe containing intermetallic compound of the beta-Al5FeSi phase were evaluated. The extremely refined beta phase and the finely spheroidized alpha-Al phase are simultaneously achieved by the D-SSC process. The D-SSC process is found to be useful to modify the high amount of Fe into a harmless impurity.

引用

页码：247 / 250

页数：4