Mode I, II and Mixed Mode I/II delamination growth in composites

被引：71

作者：

Jones, R. ^{[1
]}

Stelzer, S. ^{[2
]}

Brunner, A. J. ^{[3
]}

机构：

[1] Monash Univ, Dept Mech & Aerosp Engn, Ctr Expertise Struct Mech, Clayton, Vic 3800, Australia

[2] Univ Leoben, Inst Mat Sci & Testing Plast, Leoben, Austria

[3] Empa, Swiss Fed Labs Mat Sci & Technol, Dubendorf, Switzerland

来源：

COMPOSITE STRUCTURES | 2014年 / 110卷

关键词：

Small delaminations; Mixed Mode; Fatigue; Nasgro; Aircraft; FATIGUE-CRACK GROWTH; COMBAT AIRCRAFT; STRESS-RATIO; FRACTURE; DAMAGE;

D O I：

10.1016/j.compstruct.2013.12.009

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

This paper presents an approach for computing the growth of Mode I, II and Mixed Mode I/II delaminations in carbon fibre reinforced polymer composites (CFRP) using a modified Hartman-Schijve equation. Unlike other equations it does not involve splitting the energy release rate into its various components. One advantage of this formulation is that the exponent of the associated power law appears to be independent of the mode as is the constant of proportionality. This formulation is shown to accurately compute the delamination growth rates associated with a range of Mode I, II and Mixed Mode I/II data available in the open literature. The potential for this approach to be used to overcome the no growth philosophy associated with current composite designs is also discussed. (c) 2013 Elsevier Ltd. All rights reserved.

引用

页码：317 / 324

页数：8

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