Fatigue behavior of laminated composites with a circular hole under in-plane multiaxial loading

被引：30

作者：

Satapathy, Malaya Ranjan ^{[1
]}

Vinayak, B. G. ^{[1
]}

Jayaprakash, K. ^{[1
]}

Naik, N. K. ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Aerosp Engn, Bombay 400076, Maharashtra, India

来源：

MATERIALS & DESIGN | 2013年 / 51卷

关键词：

Fatigue modeling; Life prediction; Multiaxial fatigue; Circular hole; Polymer matrix composite; REINFORCED PLASTIC COMPOSITES; RESIDUAL PROPERTIES; FAILURE ANALYSIS; LIFE PREDICTION; PART II; DAMAGE; FRACTURE; STRESS; STRENGTH; MODEL;

D O I：

10.1016/j.matdes.2013.04.040

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A modified fiber failure fatigue model is presented for characterizing the behavior of laminated composites with a central circular hole under in-plane multiaxial fatigue loading. The analytical model presented is based on minimum strength model and fiber failure criterion under static loading available in the literature. The analysis starts with the determination of location of a characteristic curve around the hole and the stress state along the characteristic curve under in-plane multiaxial fatigue loading. Number of cycles to failure and location of failure are determined under given fatigue loading condition. Based on ply-by-ply analysis, ultimate fatigue failure and the corresponding number of cycles are determined. Analytical predictions are compared with the experimental results for uniaxial and multiaxial fatigue loading cases. A good match is observed. Further, studies are carried out for different in-plane biaxial tension-tension and biaxial compression-compression loading cases. (c) 2013 Elsevier Ltd. All rights reserved.

引用

页码：347 / 356

页数：10

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