Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6289
Title: Experimental and numerical investigation of the effect of interlayer on the damage formation in a ceramic/composite armor at a low projectile velocity
Authors: Taşdemirci, Alper
Tunusoğlu, Gözde
Keywords: Armor
Interlayer
LS-DYNA
Multilayers
Ceramic materials
Stress wave
Issue Date: Jan-2017
Publisher: SAGE Publications Inc.
Source: Taşdemirci, A., and Tunusoğlu, G. (2017). Experimental and numerical investigation of the effect of interlayer on the damage formation in a ceramic/composite armor at a low projectile velocity. Journal of Thermoplastic Composite Materials, 30(1), 88-106. doi:10.1177/0892705715584410
Abstract: The damage formation in a multilayered armor system without and with an interlayer (rubber, Teflon, and aluminum foam) between the front face ceramic layer and the composite backing plate were investigated experimentally and numerically. The projectile impact tests were performed in a low-velocity projectile impact test system and the numerical studies were implemented using the nonlinear finite element code LS-DYNA. The results of numerical simulations showed that the stress wave transmission to the composite backing plate decreased significantly in Teflon and foam interlayer armor configurations. Similar to without interlayer configuration, the rubber interlayer configuration led to the passage of relatively high stress waves to the composite backing plate. This was mainly attributed to the increased rubber interlayer impedance during the impact event. The numerical results of reduced stress wave transmission to the backing plate and the increased damage formation in the ceramic front face layer with the use of Teflon and foam interlayer was further confirmed experimentally.
URI: http://doi.org/10.1177/0892705715584410
http://hdl.handle.net/11147/6289
ISSN: 0892-7057
Appears in Collections:Mechanical Engineering / Makina Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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