Strength anisotropy in cold compacted ductile and brittle powders

被引：39
|
作者：
Galen, S
Zavaliangos, A [1 ]
机构：
[1] Drexel Univ, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA
[2] Merck & Co Inc, Merck Res Labs, West Point, PA 19486 USA
来源：
ACTA MATERIALIA | 2005年 / 53卷 / 18期
关键词：
strength anisotropy; die compaction; powders; diametrical compression;
D O I：
10.1016/j.actamat.2005.06.023
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The anisotropy in diametrical tensile strength of die compacted powders is examined in four different materials. In ductile powders, it is shown that the strength in the radial direction is higher than in the compaction direction. This difference is attributed mainly to the morphology of the deformed powder particles in the compact. In brittle powders, the opposite behavior is observed and is attributed to the fragmentation of the powder particles during compaction. (c) 2005 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：4801 / 4815
页数：15
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