Constitutive modelling of high strain-rate deformation: Application to adiabatic shear banding

被引：0
|
作者：
Estrin, Y
Molinari, A
机构：
来源：
ADVANCES IN FRACTURE RESEARCH, VOLS 1-6 | 1997年
关键词：
adiabatic shear bands; constitutive modelling; strain localization; high-speed deformation; rate and temperature effects;
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
One of the mechanisms of failure of metallic materials is adiabatic shear banding - localization of plastic strain caused and accentuated by softening associated with heat release during the deformation process. Constitutive models suitable for describing deformation at very high strain rates will be discussed. Particular emphasis will be put on the effect of the strain rate and temperature dependence of the strain hardening coefficient on the propensity of a material for adiabatic shear banding. The role of metallurgical variables, such as the spacing between second-phase particles will be discussed.
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收藏
页码：2755 / 2769
页数：15
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