Constitutive modelling of powder compaction - I. Theoretical concepts

被引：27

作者：

Cocks, A. C. F.

Sinka, I. C.

机构：

[1] Univ Oxford, Dept Engn Sci, Oxford OX1 3PJ, England

[2] Univ Leicester, Dept Engn, Leicester LE1 7RH, Leics, England

来源：

MECHANICS OF MATERIALS | 2007年 / 39卷 / 04期

基金：

英国工程与自然科学研究理事会;

关键词：

plasticity; powder compaction; constitutive modelling;

D O I：

10.1016/j.mechmat.2006.09.003

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper we examine the structure of constitutive laws for the compaction of metal powders. Incremental and deformation theory models are examined. It is argued that for practical processing schedules a deformation type theory is capable of representing the material response. A model for stage 1 compaction is presented and surfaces of constant complementary work density are plotted in Kirchhoff stress space. The theoretical concepts are employed in an accompanying paper to guide the interpretation of experimental data. (C) 2006 Elsevier Ltd. All rights reserved.

引用

页码：392 / 403

页数：12

共 31 条

[1] STAGE-I COMPACTION OF CYLINDRICAL PARTICLES UNDER NONHYDROSTATIC LOADING [J].