Punch shear based penetration model of ballistic impact of thick-section composites

被引：89

作者：

Gama, B. A. ^{[1
]}

Gillespie, J. W., Jr. ^{[2
]}

机构：

[1] Univ Delaware, Ctr Composite Mat, Dept Mat Sci & Engn, Newark, DE 19716 USA

[2] Univ Delaware, Ctr Composite Mat, Dept Civil & Environm Engn Newark, Newark, DE 19716 USA

来源：

COMPOSITE STRUCTURES | 2008年 / 86卷 / 04期

关键词：

D O I：

10.1016/j.compstruct.2007.11.001

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Ballistic damage and penetration mechanics of thick-section composites are presented. In order to correlate the ballistic penetration damage mechanisms with quasi-static penetration, experiments are designed to maintain similar boundary conditions. It has been found that the ballistic damage mechanisms can be mimicked by conducting a series of quasi-static punch shear experiments at different support spans. A quasi-static punch shear test (QS-PST) methodology is developed to quantify and partition the penetration energy into elastic and absorbed energies as a function of penetration displacement and support span. Based on this QS-PST experimental methodology, a 'Quasi-Static Penetration Model' of ballistic penetration is developed to mimic different phases of ballistic penetration. QS-PST energy absorption due to material damage is shown to be 81% of the total energy absorption measured during ballistic experiments at the ballistic limit for the S-2 glass/SC15 composite studied. (C) 2007 Elsevier Ltd. All rights reserved.

引用

页码：356 / 369

页数：14

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