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On modelling steady state and transient creep of polycrystalline solids

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Summary

A constitutive model is proposed to describe creep deformation of polycrystalline materials under complex stress and temperature histories. The concept of piecewise linear effective stress—creep strain rate relationship is utilized. A key assumption in this model is that the back stress under a given stress and temperature reaches a saturation point. This saturation point corresponds to the steady state condition.

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Authors and Affiliations

  1. Department of Civil and Environmental Engineering, University of Rhode Island, 02881, Kingston, RI, USA

    M. O. Faruque

  2. Department of Civil Engineering and Environmental Science, University of Oklahoma, 73019, Norman, OK, USA

    M. M. Zaman

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  1. M. O. Faruque
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  2. M. M. Zaman
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Faruque, M.O., Zaman, M.M. On modelling steady state and transient creep of polycrystalline solids. Acta Mechanica 71, 115–136 (1988). https://doi.org/10.1007/BF01173941

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  • DOI: https://doi.org/10.1007/BF01173941

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