Analysis of thermoelastic isopachic data from crack tip stress fields

被引：22
|
作者：
Dulieu-Barton, J.M. [1 ]
Fulton, M.C. [2 ]
Stanley, P. [3 ]
机构：
[1] University of Southampton, School of Engineering Science, Highfield, Southampton SO17 1BJ, United Kingdom
[2] University of Liverpool, Department of Engineering, Liverpool L69 3GH, United Kingdom
[3] University of Manchester, School of Engineering, Simon Building, Oxford Road, Manchester M13 9PL, United Kingdom
来源：
Fatigue and Fracture of Engineering Materials and Structures | 2000年 / 23卷 / 04期
关键词：
Computer program listings - Cracks - Fracture testing - Stress intensity factors - Thermoelasticity;
D O I：
10.1046/j.1460-2695.2000.00289.x
中图分类号：
学科分类号：
摘要：
A computer program - FACTUS (fracture analysis of crack tips using SPATE) - has been developed for the efficient analysis of thermoelastic data obtained from around a crack tip. The program is based on earlier work for the determination of stress intensity factors (SIFs), and also includes a novel solution procedure for the derivation of the non-singular stress term σ0x. The program has been used in the analysis of a series of large plate specimens with central or edge slots/cracks. The derived SIFs are compared with independent values. Issues, e.g. crack closure and the extent and effect of the plastic zone, are discussed.
引用
收藏
页码：301 / 314
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