Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/85443
Title: Elastic and plastic stress analysis of an interface crack between two dissimilar layers
Authors: Zhuang, J.
Tan, S. K.
Xiao, Zhong Min.
Yi, Dake.
Issue Date: 2012
Source: Yi, D. K., Zhuang, J., Xiao, Z. M., & Tan, S. K. (2012). Elastic and plastic stress analysis of an interface crack between two dissimilar layers. Acta Mechanica, 223(11), 2287-2301.
Series/Report no.: Acta mechanica
Abstract: In the present paper, the mixed-mode Dugdale model is applied to investigate the plastic zone size and the crack tip opening displacement of an interface crack between two dissimilar layers. In the analysis, both normal and shear stresses are assumed to exist in the plastic zones and satisfy the Von Mises yield criterion. The plastic zone sizes can be determined on condition that the stress intensity factors caused by the stresses in the plastic zones and applied loading are zero. Then, the crack tip opening displacement can be obtained by dislocation theories. In numerical examples, the plane stress condition is considered. The plastic zone size and the crack tip opening displacement of an interface crack between two dissimilar layers under a uniform load are examined. The effects of Dundurs’ parameters and the thickness of materials on the plastic zone size and the crack tip opening displacement are investigated in detail. Numerical results show that in the case of small thickness, the values of the normalized plastic zone size and the normalized crack tip opening displacement decrease with increasing Dundurs’ parameters, α and β, while, in the case of infinite thickness, the value of the normalized plastic zone size is independent of α, and the value is symmetric about the axis on which β = 0.
URI: https://hdl.handle.net/10356/85443
http://hdl.handle.net/10220/12355
DOI: 10.1007/s00707-012-0698-9
Rights: © 2012 Springer-Verlag.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MAE Journal Articles

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