COMPACTION OF AN ARRAY OF SPHERICAL-PARTICLES

被引：32
|
作者：
OGBONNA, N [1 ]
FLECK, NA [1 ]
机构：
[1] UNIV CAMBRIDGE, DEPT ENGN, CAMBRIDGE CB2 1PZ, ENGLAND
来源：
ACTA METALLURGICA ET MATERIALIA | 1995年 / 43卷 / 02期
关键词：
D O I：
10.1016/0956-7151(94)00286-Q
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The compaction response has been investigated for an array of spherical particles composed of elastic, perfectly plastic material. Numerical simulations have been used to examine the evolution of contact size, contact pressure and macroscopic yield surface with the degree of compaction. It is found that the macroscopic yield surface of a compact has a corner at the loading point, and its shape evolves with increasing strain in a non self-similar fashion.
引用
收藏
页码：603 / 620
页数：18
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