Analysis of strain-rate effects on mechanical behaviors of HNS

被引：0
|
作者：
Deng Qiong
Suo Tao
Nie Mingfei
He Bi
Jiang Xiaohua
机构：
来源：
THEORY AND PRACTICE OF ENERGETIC MATERIALS, VOL VII | 2007年
关键词：
HNS; split Hopkinson pressure bar (SHPB); mechanical behavior; constitutive relation;
D O I：
暂无
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
In this paper, the compressive stress-strain behavior of HNS was tested using split Hopkinson pressure bar (SHPB) and universal testing machine at strain rates range from 10(-4) to 10(3)s(-1) at room temperature. Stress-strain curves of HNS at different strain rates were obtained. The properties of thermal decomposition of recovery specimen were analyzed by DTA (differential thermal analysis) and DSC (Differential Scanning Calorimeter). Based on the experimental data and analysis, a constitutive relation was employed to describe the mechanical behavior of FINS under different strain rates.
引用
收藏
页码：152 / 156
页数：5
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