On effect of FSP on microstructural and mechanical characteristics of A390 hypereutectic Al-Si alloy

被引：12

作者：

Mahmoud, T. S. ^{[1
]}

Shaban, O. M. ^{[2
]}

Zakaria, H. M. ^{[1
]}

Khalifa, T. A. ^{[1
]}

机构：

[1] Benha Univ, Dept Mech Engn, Shoubra Fac Engn, Banha, Egypt

[2] Helwan Univ, Fac Educ, Ind Educ Dept, Helwan, Egypt

来源：

MATERIALS SCIENCE AND TECHNOLOGY | 2010年 / 26卷 / 09期

关键词：

Friction stir processing; Microstructure; Aluminium alloys; STIR; ALUMINUM; ZONE;

D O I：

10.1179/174328409X459310

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the present article, the effect of friction stir processing (FSP) on the microstructural and mechanical characteristics of A390 hypereutectic Al-Si alloy was studied. The effect of tool rotational speed omega, traverse speed upsilon and the number of passes on such characteristics was investigated. The results showed that FSP significantly improved the microstructural characteristics of A390 Al alloy by reducing the structural defects found in the as cast alloy such as porosity and the size of alpha-Al primary grains as well as the size of the primary Si particles. The size of Si particulates was found to be reduced by reducing the tool rotational speed, increasing tool traverse speed and increasing the number of FSP passes.

引用

页码：1120 / 1124

页数：5

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