THE EFFECT OF REINFORCEMENTS ON THE DENSIFICATION OF A METAL-POWDER

被引：45
|
作者：
BESSON, J
EVANS, AG
机构：
[1] Materials Department, College of Engineering, University of California, Santa Barbara
来源：
ACTA METALLURGICA ET MATERIALIA | 1992年 / 40卷 / 09期
关键词：
D O I：
10.1016/0956-7151(92)90143-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The consolidation of Cu powder with and without particulates has been investigated. It was found that the same deformation mechanism applies over a wide range of consolidation conditions and reinforcement contents. A formalism previously used to characterize the consolidation of metal powder has been successfully extended to the composite system. The results demonstrate densification retardation caused by the reinforcements that depends both on aspect ratio and on mixing heterogeneity. Furthermore, the effect is greater than the corresponding effect of the reinforcements on the creep-rate of the fully densified body.
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页码：2247 / 2255
页数：9
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