Elastic-Plastic Stress and Strain Analysis of a Hole-Edge Crack under Biaxial Load

Zhong Xian Wang; Wei Xu; Rui Liu

doi:10.4028/www.scientific.net/AMM.321-324.218

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 321-324Elastic-Plastic Stress and Strain Analysis of a...

Elastic-Plastic Stress and Strain Analysis of a Hole-Edge Crack under Biaxial Load

Abstract:

In this study, the effects of biaxial load on the elastic-plastic stress concentration factor and the plastic zone size of the circular hole are investigated, and the elastic-plastic stress and strain fields of the crack emanating from the circular hole are calculated in the process of crack growth. The elastic-plastic stress concentration factors for various biaxial load ratios are obtained. In order to provide a reference for structural damage monitoring, the variation characteristic of strain at crack front ligament are analyzed in the process of the crack growth.