A review of T-stress and its effects in fracture mechanics

Abstract An overview of past research on T-stress is presented in this paper. Beginning with the origin of T-stress, the authors discuss different phenomena associated with T-stress: crack path stability, isochromatic fringes pattern, plastic zone influence and constraint parameter. Different methodologies—experimental, analytical and finite element methods—used to evaluate T-stress are discussed and studies are categorized under these methods also. Thereafter, the authors provide a critical review for the role of T-stress in predicting crack paths stability because it conflicts with the origin of T-stress. Finally, it concludes with a concise summary of the research on T-stress.

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