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T-Stress Effects on Isochromatic Fringe Patterns in Mode II

  • Letter In Fracture And Micromechanics
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Abstract

The theory of photoelasticity is used to study analytically the effects of T-stress on the fringe patterns around the crack tip in mode II crack specimens. The locus of an isochromatic fringe determined by taking into account the T-stress is compared with the locus of a fringe with no T-stress. It is shown for mode II cracks that in the presence of T-stress, the fringe loops are neither symmetric nor continuous. Asymmetric and discontinuous fringe patterns predicted in this paper are consistent with the experimental results observed previously in photoelasticity tests.

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Authors and Affiliations

  1. Fatigue and Fracture Laboratory, Department of Mechanical Engineering, Iran University of Science and Technology Narmak, Tehran, 16846, Iran

    M. R. Ayatollahi & Mahnaz Zakeri

Authors
  1. M. R. Ayatollahi
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  2. Mahnaz Zakeri
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Correspondence to M. R. Ayatollahi.

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Ayatollahi, M.R., Zakeri, M. T-Stress Effects on Isochromatic Fringe Patterns in Mode II. Int J Fract 143, 189–194 (2007). https://doi.org/10.1007/s10704-007-9055-8

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  • DOI: https://doi.org/10.1007/s10704-007-9055-8

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