Dynamics Performances of Polyurea-woven Fiberglass Mesh Composite Reinforced Steel Plate Subjected to Shock Waves

doi:10.3969/j.issn.1000-1093.2018.10.015

Abstract

Abstract: The technical measures of adding woven fiberglass meshes into the traditional pure polyurea reinforcing layer are proposed to improve the shock resistance of pure polyurea reinforced steel plate. FEM method is used to study the shock resistance of steel plates reinforced by pure polyurea and polyurea- woven fiberglass mesh composite reinforcing layers, respectively. The test results of large shock tube are used to verify the reliability of numerical simulation. The results show that the woven fiberglass meshes can be used to improve the reinforcing performance of pure polyurea reinforcing layer and reduce the overall deformation and kinetic energy of pure polyurea reinforced steel plate. In the range of allowable addition of woven fiberglass mesh layers, the peak kinetic energy of steel plate can be reduced by 28% by using the polyurea-woven glass fiber composite reinforcing layer compared with the pure polyurea reinforcing layer. The internal of energy in polyurea-woven glass fiber composite reinforcing layer can reach up to 2.75 times of that in the pure polyurea reinforcing layer with the same thickness. Key

Key words: compositematerial, polyurea, wovenfiberglassmesh, shockload, shocktube

CLC Number:

O347.3
TB332

LIAO Yu, SHI Shao-qing, LIANG Chao-ke, WANG Wen-kang. Dynamics Performances of Polyurea-woven Fiberglass Mesh Composite Reinforced Steel Plate Subjected to Shock Waves[J]. Acta Armamentarii, 2018, 39(10): 1988-1996.

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第39卷
第10期2018 年10月兵工学报ACTA
ARMAMENTARIIVol.39No.10Oct.2018

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