Effect of projectile hardness on deformation and fracture behavior in the Taylor impact test

被引：38
|
作者：
Xiao, Xinke [1 ]
Zhang, Wei [1 ]
Wei, Gang [1 ]
Mu, Zhongcheng [1 ]
机构：
[1] Harbin Inst Technol, Hyperveloc Impact Res Ctr, Harbin 150080, Peoples R China
来源：
MATERIALS & DESIGN | 2010年 / 31卷 / 10期
关键词：
FLAT-ENDED PROJECTILES; DYNAMIC YIELD-STRESS; TARGET THICKNESS; PERFORATION; VELOCITY;
D O I：
10.1016/j.matdes.2010.05.027
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The ballistic perforation performance of a kinetic energy projectile would be much more influenced by the projectile's deformation during the impact process. A projectile may suffer from large deformation and even fracture as more and more advanced materials are used as resistant components. A comparison investigation was presented in this study concerning the deformation and fracture behavior of kinetic energy projectiles manufactured from 38CrSi steel of two different hardness values. Flat-nosed projectiles were fired in a two-stage compressed gun test facility against hard steel plates within the velocity range of 200-600 m/s. The impact process was monitored by a high-speed camera. Experimental results showed that, for the soft projectiles there are three deformation and fracture modes, i.e., mushrooming, shear cracking and petalling, and that for the hard projectiles there are also three modes, mushrooming, shearing cracking and fragmentation. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4913 / 4920
页数：8
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