A NUMERICAL-SIMULATION OF IMPACT RESPONSE OF TYPICAL METALS INCLUDING STRAIN-RATE CHANGE TESTS

被引：3
|
作者：
TUGCU, P
NEALE, KW
机构：
[1] Faculty of Applied Science. Université de Sherbrooke., Sherbrooke
来源：
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING | 1994年 / 15卷 / 01期
关键词：
D O I：
10.1016/S0734-743X(05)80006-5
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Assuming adiabatic heating conditions, the destabilizing effect of deformation-induced heating on dynamic localization is analysed in a one-dimensional context, via parametric studies for rate- and temperature-dependent solids under tensile impact. As an extension of the title problem, the counteracting effects of self-induced heating and inertia are further investigated in the presence of low-amplitude, high-frequency excitations superimposed on a nominal impact velocity. Finally, parametric studies are performed to investigate the contribution of inertia during the early stages of strain-rate jump tests, which are commonly used to determine the effects of dislocation changes on the stress-strain behaviour of some metals.
引用
收藏
页码：41 / 66
页数：26
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