On the impact response of electrified carbon fiber polymer matrix composites: Effects of electric current intensity and duration

被引：39

作者：

Sierakowski, Robert L. ^{[2
]}

Telitchev, Igor Ye. ^{[3
]}

Zhupanska, Esya I. ^{[1
]}

机构：

[1] Univ Iowa, Seamans Ctr Engn Arts & Sci 2416A, Iowa City, IA 52242 USA

[2] USAF, Res Lab, Eglin AFB, FL 32542 USA

[3] Univ Calgary, Calgary, AB T2N 1N4, Canada

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2008年 / 68卷 / 3-4期

关键词：

polymer-matrix composites (PMCs); carbon fibers; impact behavior; damage tolerance; electro-thermo-mechanical coupling;

D O I：

10.1016/j.compscitech.2007.09.019

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

In this work, an investigation of the effects of an electric current on the low velocity impact response of carbon fiber polymer matrix unidirectional and cross-ply composites carrying an electric current is presented. Preliminary experimental results show that a short-term application of the DC electric current leads to an increase in the impact resistance of composites, whereas a, prolonged application of the current induces a significant heating in the electrified composites and has rather a detrimental effect. The analysis focuses on elucidating the roles of current intensity, duration, and associated current-induced heating in alteration of the composites response. The contributions of Joule heat and contact resistance heat are particularly highlighted. (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：639 / 649

页数：11

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