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Solutions of Stress Intensity Factors of Subsurface Cracks

Journal Key Engineering Materials (Volume 312)
Volume Fracture of Materials: Moving Forwards
Edited by Hong-Yuan Liu, Xiaozhi Hu and Mark Hoffman
Pages 83-88
DOI 10.4028/www.scientific.net/KEM.312.83
Citation Xi Qiao Feng et al., 2006, Key Engineering Materials, 312, 83
Online since June, 2006
Authors Xi Qiao Feng, M. Xu
Keywords Integral Transform Method, Stress Intensity Factor (SIF), Subsurface Cracks
Abstract

In the present paper, an integral transform-based method is presented for calculating the stress intensity factors of subsurface cracks. Due to the interaction between the crack and the free surface, the crack tip fields are generally of I-II mixed mode. The solutions for two typical configurations, a Griffith crack and a circular crack beneath the free surface of a semi-infinite solid, are derived.

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