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2006 | OriginalPaper | Chapter

Effect of Anisotropic Plasticity on Mixed Mode Interface Crack Growth

Authors : V. Tvergaard, B. N. Legarth

Published in: Fracture of Nano and Engineering Materials and Structures

Publisher: Springer Netherlands

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Crack growth in metals gives rise to plastic work in the material surrounding the crack-tip, which contributes significantly to the fracture toughness, such that the macroscopic work of fracture is much larger than that of the local fracture process. For mode 1 crack growth with isotropic plasticity this has been studied numerically by Tvergaard and Hutchinson [

], modeling the local fracture process by a traction-separation law along the crack plane, with a specified work of separation per unit area. Subsequently, the same authors have used the method to account for the effect of a T-stress on crack growth [

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