Experimental investigations on the failure behaviour of UHMWPE composite panel under the loading of fragments and blast

doi:10.19936/j.cnki.2096-8000.20211228.009

Abstract

Abstract: Due to the extremely high specific strength, the ultra-high molecular weight polyethylene (UHMWPE) fiber reinforced laminates are widely employed in protective armors. In this paper, the failure modes of UHMWPE laminate panel under explosive loading are experimentally investigated. Firstly, an explosive device that can simultaneously produce blast and fragments is designed. And then, the deformation and failure characteristics of the UHMWPE panel under the loading of the explosive device are gained and analyzed. The panel exhibits multiple failure modes, including the delamination, buckling, bubbling, fragments penetration and erosion. Based on the deformation characteristics, the failure progress of the UHMWPE laminate panel under explosive loading can be divided into four typical stages.

Key words: UHMWPE composite panel, failure behaviour, fragments, blast

CLC Number:

TB332

SU Luo-chuan, TIAN Li-zhi, YI Chen-hong, LIU Wen-jie, SHI Ya-qin. Experimental investigations on the failure behaviour of UHMWPE composite panel under the loading of fragments and blast[J]. COMPOSITES SCIENCE AND ENGINEERING, 2021, 0(12): 60-65.

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