Abstract
The evolution of stress intensity factors in a mixed loading mode has been calculated for different cleavage planes, the direction of the crack front, and the easy slip systems near the crack tip in a body-centered cubic (bcc) crystal. Calculations take into account the mutual influence of the plastic deformation and crack tip shape as well as T stress. The dependence of screening the crack tip by dislocations on the crack orientation, easy slip system, and fracture modes is found.
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Original Russian Text © D.N. Karpinskii, S.V. Sannikov, 2015, published in Fizika Tverdogo Tela, 2015, Vol. 57, No. 3, pp. 550–555.
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Karpinskii, D.N., Sannikov, S.V. Calculation of the influence of plastic deformation on the evolution of crack stress intensity factors in a body-centered cubic crystal. Phys. Solid State 57, 563–568 (2015). https://doi.org/10.1134/S1063783415030105
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DOI: https://doi.org/10.1134/S1063783415030105