Fabrication of Al-Si-Cu-Mg-Zn alloy matrix composite reinforced with submicrometer sized Al2O3 particles formed by displacement reaction

被引：0
|
作者：
Woo, K. D. [1 ]
Lee, I. B. [1 ]
Kim, I. Y. [1 ]
Zhang, D. L. [2 ]
机构：
[1] Chonbuk Natl Univ, Coll Engn, Res Ctr Adv Mat Dev, Div Adv Mat Engn, Jeonju 561756, South Korea
[2] Univ Waikato, Dept Mat & Proc, Hamilton, New Zealand
来源：
ADVANCED MATERIALS AND PROCESSING IV | 2007年 / 29-30卷
关键词：
MMC; HEMM; sintering; displacement reaction;
D O I：
10.4028/www.scientific.net/AMR.29-30.249
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The displacement reaction (in situ reaction) is an effective process to solve the interfacial problem between At matrix and ceramic particles in At alloy matrix composites. In this study, an At alloy matrix composite powder containing nanometer was produced by using high energy ball milling, and a bulk At alloy matrix composite reinforced with nanometer and submicrometer sized Al2O3 particles was obtained by sintering the ball milled composite powder at 950 degrees C for 2h. It was found that the Al2O3 particles were homogeneously distributed in the At matrix after sintering. Some of the Si particles have lots of fine Al2O3 particles distributed homogeneously in the Al matrix. The hardness of the sintered specimen produced using as-milled composite powder is higher than that of the sintered specimen produced using as-mixed powder.
引用
收藏
页码：249 / +
页数：2
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