Influence of Structural Interspace on Anti-penetration Performance of Para-aramid Fiber-reinforced Composite Armor System

doi:10.3969/j.issn.1000-1093.2017.09.017

Abstract

Abstract: Three different composite armor systems with 50 mm width or no interspace between different parts were designed to simulate sandwich bulkhead, in which 5 mm-thick steel plate and 10 mm-thick steel plate are used as front and back plates, respectively, and the para-aramid fiber-reinforced plate (AFRP) with areal density of about 60 kg/m² is used as sandwich core. Ballistic experiments are carried out to study the anti-penetration performance of the three para-aramid fiber-reinforced composite armor systems subjected to normal impact by 40 g cylindrical fragments at about 1 630 m/s. The failure modes of surface plate and sandwich core of the composite armor system are presented, the anti-penetration mechanisms of the composite armor systems are analyzed, and the anti-penetration performances of the three composite armor systems are compared. The experimental results show that interspace between different parts has significant effect on the failure modes of AFRP and anti-penetration performance of composite armor system. Key

Key words: ordnancescienceandtechnology, compositearmorsystem, structuralinterspace, para-aramidfiber-reinforcedplate, high-velocityfragment, experimentalresearch

CLC Number:

LI Mao， HOU Hai-liang， ZHU Xi， HUANG Xiao-ming， LI Dian， CHEN Chang-hai， HU Nian-ming. Influence of Structural Interspace on Anti-penetration Performance of Para-aramid Fiber-reinforced Composite Armor System[J]. Acta Armamentarii, 2017, 38(9): 1797-1805.

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第38卷
第9期2017 年9月兵工学报ACTA
ARMAMENTARIIVol.38No.9Sep.2017

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