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Significance of limiting (equivalent) tip radius and crack tip deformation for cleavage induced fracture in structural steels

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Abstract

In two structural steels, the limiting crack tip radius (LTR) and the crack tip blunting radius have been evaluated at the instant of fracture initiation by cleavage. The effect of yield strength on LTR and the blunting radius has been investigated. The relationship between the limiting and the blunting tip radius has been studied. The limiting tip radius has been found to be of the order of the plastic zone radius in the structural steels investigated

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Authors and Affiliations

  1. Department of Applied Mechanics, Indian Institute of Technology, 110016, Delhi, India

    R. K. Pandey

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  1. R. K. Pandey
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Pandey, R.K. Significance of limiting (equivalent) tip radius and crack tip deformation for cleavage induced fracture in structural steels. J Mater Sci 19, 607–614 (1984). https://doi.org/10.1007/BF02403249

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  • DOI: https://doi.org/10.1007/BF02403249

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