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A Multiple Slip Plane Model for Crack-Tip Plasticity

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Abstract

A single slip plane dislocation dynamics based model for the brittle to ductile transition has been extended to have multiple slip planes around the crack-tip. The crack-tip plastic behaviour is studied for a variety of dislocation source configurations. The results are presented for the case of iron. The effect of modelling the plastic-zone as a single slip plane and as an array of parallel slip planes are compared.

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Authors and Affiliations

  1. Department of Materials, University of Oxford, Parks Road, Oxford, OX1 3PH, United Kingdom

    S. J. Noronha, S. G. Roberts & A. J. Wilkinson

Authors
  1. S. J. Noronha
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  2. S. G. Roberts
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  3. A. J. Wilkinson
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Noronha, S.J., Roberts, S.G. & Wilkinson, A.J. A Multiple Slip Plane Model for Crack-Tip Plasticity. MRS Online Proceedings Library 578, 309–314 (1999). https://doi.org/10.1557/PROC-578-309

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  • DOI: https://doi.org/10.1557/PROC-578-309

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