Ballistic impact simulation of proposed bullet proof vest made of TWIP steel, water and polymer sandwich composite using Fe-SPH coupled technique

被引：2

作者：

Nyanor P. ^{[1
]}

Hamada A.S. ^{[1
]}

Hassan M.A. ^{[1
,2
]}

机构：

[1] Egypt-Japan University of Science and Technology, Department of Material Science and Engineering, Alexandria

[2] Mechanical Engineering Department, Faculty of Engineering, Assiut University, Assiut

来源：

Key Engineering Materials | 2018年 / 786卷

关键词：

Ballistic impact; Composite structure; Finite element simulation; Proof vest; Smoothed particle hydrodynamic analysis; TWIP steel;

D O I：

10.4028/www.scientific.net/KEM.786.302

中图分类号：

学科分类号：

摘要：

The bullet-resistant vest (bullet proof vest) is an important accessory to absorb impact energy and stop bullets from penetrating the body. In the present work a sandwich composite structure was designed from different sequential layers of, twinning induced plastic (TWIP) steel, polypropylene – polyethylene (PP-PE) polymer and water for bullet proof vest application. Owing to the difficulty in experimentally testing materials for ballistic impact application, a finite element – smoothed particle hydrodynamic (FE-SPH) coupled simulation was applied for analyzing the impact characteristics of the proposed composite structure. Different structural layers of the composite are simulated to select the most effective thickness of steel/polymer/water layers in energy absorption and penetration prevention. The simulation results displayed that the optimum thickness of the layers are 2 mm steel/20 mm water/2 mm steel, which is able to stop a 9 mm bullet travelling at 360 m/s with less than 10 mm displacement of the inner surface of the composite. This composite is promising and has a great potential in fabrication of effective and light weight bullet proof vest with less expensive materials. © 2018 Trans Tech Publications, Switzerland

引用

页码：302 / 313

页数：11

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