爆炸与冲击2012,Vol.32Issue(5):528-534,7.
基于SHPB装置的膨胀圆柱管实验技术
An experimental technique for expanding of metal cylinder based on SHPB
摘要
Abstract
The 45 steel cylinder shells were loaded by the improved SHPB to undergo expanding fracture. The experimental cylinder shells subjected to different degrees of expanding deformation ranging from zero to fracture strain were recovered without second loading. And the radial strain, strain rate and circumferential tension stress of the cylinder shells at the fracture position were obtained by numerical simulation and experiments. The fracture time, fracture strain, fracture strain rate and fracture stress of the cylinder shells at the fracture position can be accurately determined by the strain signals at the ends of the cylinder shells. The improved experimental technique can be used to observe the expanding fracture of the metal cylinder shells in the strain rate range from 102 to 104 s-1.关键词
固体力学/膨胀断裂/SHPB/金属圆柱管Key words
solid mechanics/ expanding fracture/ SHPB/ metal cylinder分类
数理科学引用本文复制引用
叶想平,李英雷,李英华..基于SHPB装置的膨胀圆柱管实验技术[J].爆炸与冲击,2012,32(5):528-534,7.基金项目
中国工程物理研究院科学技术发展基金重点项目(2009A0101001) (2009A0101001)