Analysis of high velocity impacts of steel cylinders on thin carbon/epoxy woven laminates

被引：45

作者：

Varas, D. ^{[1
]}

Artero-Guerrero, J. A. ^{[1
]}

Pernas-Sanchez, J. ^{[1
]}

Lopez-Puente, J. ^{[1
]}

机构：

[1] Univ Carlos III Madrid, Dept Continuum Mech & Struct Anal, Madrid 28911, Spain

来源：

COMPOSITE STRUCTURES | 2013年 / 95卷

关键词：

Carbon fiber; Composite; Ballistic; Numerical model; Cohesive elements; FIBER-REINFORCED POLYMERS; NUMERICAL-ANALYSIS; BEHAVIOR; DELAMINATION; DAMAGE; CFRPS; MODEL; COMPOSITES; PREDICTION;

D O I：

10.1016/j.compstruct.2012.08.015

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

In this work a numerical model was developed to predict the behavior of thin woven laminates under high velocity impacts. The material model, implemented in a user subroutine to be used with a commercial FE code, takes into account different failure mechanisms. The inter-lamina failure prediction is achieved by means of the use of cohesive elements. Finally, in order to validate the model, experimental tests were accomplished in a wide range of velocities from 100 to 400 m/s. Residual velocity of the projectile and damaged area of the laminates are compared with the numerical results. Once the model is validated, a further investigation has been made in order to analyze the influence of projectile slenderness on the laminate response. (c) 2012 Elsevier Ltd. All rights reserved.

引用

页码：623 / 629

页数：7

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