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Elastoplastic cracks moving in orthotropic crystals

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Abstract

The stress field, crack-tip plastic zones and total plastic displacement created around an infinite row of collinear elastoplastic constant width Griffith-type strip cracks moving within an orthotropic crystal are considered using the powerful method of dislocation layers. The method is applied with the BCS modelled elastoplastic cracks moving under mode III loading at constant crack-tip velocity, according to the Yoffe model. Simultaneously the analysis provides solutions for a corresponding single crack moving similarly within a finite orthotropic plate and a finite plate containing a surface crack. Analogous results for the corresponding mode I, mode II and purely elastic cracks can be deduced.

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  1. Department of Mathematics, University of Bradford, BD7 1DP, Bradford, England

    G. E. Tupholme

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  1. G. E. Tupholme
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Tupholme, G.E. Elastoplastic cracks moving in orthotropic crystals. Appl. Sci. Res. 49, 91–99 (1992). https://doi.org/10.1007/BF00382745

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  • DOI: https://doi.org/10.1007/BF00382745

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