A material model for powder compaction

被引：0
|
作者：
Marais, PG
Mitchell, GP
机构：
来源：
COMPUTATIONAL PLASTICITY: FUNDAMENTALS AND APPLICATIONS, PTS 1 AND 2 | 1997年
关键词：
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A constitutive model for the simulation of metal powder compaction is presented. The yield surface; now rules and density evolution equations are derived from reported experimental work. The model, using a Drucker-Prager cap formulation, combines a density evolving shear yield surface and a consolidation yield surface. Integration of the constitutive equations is carried out using a standard Euler Backward integration scheme. The model was implemented as a User-Material Subroutine in the general purpose finite element program ABAQUS. Results for simulations of simple tests are presented.
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页码：1399 / 1408
页数：10
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