Oblique penetration mechanism of hybrid composite laminates

Author:

Han Meng1,Zhou Chuwei2,Silberschmidt Vadim V.3,Ma Xindong1,Liu Mao1,Jiang Wenan1,Bi Qinsheng1

Affiliation:

1. Faculty of Civil Engineering and Mechanics, Jiangsu University , Zhenjiang 212013 , Jiangsu Province , People’s Republic of China

2. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics , Nanjing 210001 , Jiangsu Province , People’s Republic of China

3. Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University , Loughborough , Leicestershire LE11 3TU , United Kingdom

Abstract

Abstract Hybrid fiber composites are widely used to improve the anti-penetration performance. Carbon/Kevlar hybrid composites are used in aircrafts and safety devices, thanks to the strong toughness of Kevlar fibers and high strength of carbon fibers. In the present work, the contact force of hybrid composites under oblique impact is derived. The viscoelastic constitutive model of Kevlar layer is investigated and the dissipation energies of composites for different high velocity oblique impacts are simulated. The results show that hybrid composites have good bullet-proof performance, the contact forces are fluctuant in short time and the frictional dissipation energy allows us to prevent penetration.

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,Ceramics and Composites

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