The size effect of SiC particulates on activation energy for superplastic flow in a 2124 Al metal matrix composite

被引：12
|
作者：
Kim, WJ [1 ]
机构：
[1] Hongik Univ, Dept Met & Mat Sci, Mapo Ku, Seoul 121791, South Korea
来源：
SCRIPTA MATERIALIA | 1999年 / 41卷 / 10期
关键词：
high temperature; superplastic; composites;
D O I：
10.1016/S1359-6462(99)00258-4
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this study, an attempt was made to investigate the size effect of SiC particulates on the superplastic flow of a PM 20 vol %SiCp/2124 Al composite with a special interest in its effect on the true activation energy for superplastic flow. For this purpose, the plastic-flow characteristics of a 20%SiCp/composite with an average reinforcement size of 8 μm was inspected. The result was compared with the data for the 20%SiCp/composite with a smaller size of reinforcement (3 μm) that was previously shown to be HSR superplastic.
引用
收藏
页码：1131 / 1136
页数：6
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