Stress intensity factors for functionally graded solid cylinders

被引：27

作者：

Li, CY ^{[1
]}

Zou, ZZ

Duan, ZP

机构：

[1] Shijiazhuang Railway Inst, Shijiazhuang 050043, Peoples R China

[2] Chinese Acad Sci, Inst Mech, LNM, Beijing 100080, Peoples R China

来源：

ENGINEERING FRACTURE MECHANICS | 1999年 / 63卷 / 06期

关键词：

functionally graded materials; stress intensity factor; finite element method; solid cylinder; crack;

D O I：

10.1016/S0013-7944(99)00045-4

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

This paper presents the mode I stress intensity factors for functionally graded solid cylinders with an embedded penny-shaped crack or an external circumferential crack. The solid cylinders are assumed under remote uniform tension. The multiple isoparametric finite element method is used. Various types of functionally graded materials and different gradient compositions for each type are investigated. The results show that the material property distribution has a quite considerable in influence on the stress intensity factors. The influence for embedded cracks is quite different from that for external cracks. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：735 / 749

页数：15

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