A micromechanical debonding analysis of fiber-reinforced composites due to curing residual stress-Reference-Cited by-同舟云学术

A micromechanical debonding analysis of fiber-reinforced composites due to curing residual stress

Published:2015-05-06 Issue:12 Volume:34 Page:962-971
ISSN:0731-6844
Container-title:Journal of Reinforced Plastics and Composites
language:en
Short-container-title:Journal of Reinforced Plastics and Composites

Author:

Li Jun¹²,Liu XiaoYu¹,Yao XueFeng¹,Yuan YaNan¹

Affiliation:

1. Department of Engineering Mechanics, AML, Tsinghua University, Beijing, PR China

2. National Institute of Clean and Low Carbon Energy, Coal Upgrading Center, Beijing, PR China

Abstract

The representative volume element method is used to investigate the interface debonding of fiber-reinforced composites due to curing residual stress. First, the interface debonding behavior is characterized by means of the cohesive zone model, and the effects of curing residual stresses on the fiber/resin interface debonding are also studied using the cure hardening instantaneously linear elastic model. Second, debonding envelops of the representative volume element are obtained for tension loading, shear loading and mixed loading, respectively, which indicate that the curing residual stresses will have an important influence on the maximum principal stress and have no effects on the debonding initiation location and the propagating path. Finally, the relationships between the fiber versus resin aspect ratio γ and the maximum principal stress at the fiber/resin interface of the representative volume element in fiber-reinforced composites are investigated as well.

Publisher

SAGE Publications

Subject

Materials Chemistry,Polymers and Plastics,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

Link

http://journals.sagepub.com/doi/pdf/10.1177/0731684415584952

Reference19 articles.

1. High strength, high fracture toughness fibre composites with interface control—A review

2. Estimation of effective elastic properties and interface stress concentrations in particulate composites by unit cell methods

3. Effects of interfacial debonding on the rate-dependent response of metal matrix composites

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