Theoretical analysis of interfacial debonding and fiber pull-out in fiber-reinforced polymer-matrix composites

被引：22

作者：

Meng, Qinghua ^{[1
]}

Wang, Zhenqing ^{[1
]}

机构：

[1] Harbin Engn Univ, Coll Aerosp & Civil Engn, Harbin 150001, Peoples R China

来源：

ARCHIVE OF APPLIED MECHANICS | 2015年 / 85卷 / 06期

基金：

中国国家自然科学基金; 高等学校博士学科点专项科研基金;

关键词：

Fiber-reinforced composites; Polymer-matrix composites; Interfacial debonding; Fiber pull-out; Theoretical analysis; ENERGY-RELEASE RATE; SHEAR-LAG MODEL; STRESS TRANSFER; CERAMIC COMPOSITES; FIBROUS COMPOSITES; MULTIPLE FRACTURE; CRACKING; INTERPHASE; FRICTION; SINGLE;

D O I：

10.1007/s00419-015-0987-6

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

A theoretical model is proposed to predict the interfacial debonding length and fiber pull-out length in fiber-reinforced polymer-matrix composites. The stress and displacement fields of fiber and matrix are derived considering the dual phase region model, and the relation between the pull-out length and debonding length of fiber is obtained. The interface debonding criterion is given based on the energy release rate relation in an interface debonding process. The formulas are applied in glass fiber-reinforced epoxy composites to demonstrate the newly theoretical model. The theoretical predictions of present model agree well with the experimental results. Several parameters studies are performed to analyze the debonding length and the pull-out length of fiber in glass fiber-reinforced epoxy composites.

引用

页码：745 / 759

页数：15

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