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Effects of substructure on the mechanical properties of Fe-Ni-Co-C alloys

  • Mechanical Behavior
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Abstract

The effect of transformation substructure (lath or twinned plates) and its subsequent modification of carbide distribution during tempering on the mechanical properties was investigated in Fe-Ni-Co alloys with and without 0.1 pct carbon. The morphology and substructure of carbon free and 0.1 pct carbon Fe-Ni-Co martensites do not have a significant effect on fracture toughness. The transformation substructure by itself does not control the deformation mode of these martensites. Based on a previously suggested model on factors affecting the mode of deformation, the need for substructure control to maintain desirable mechanical properties of low alloy high strength steels, is again emphasized.

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Authors and Affiliations

  1. Corporate Research Science Laboratories, Exxon Research and Engineering Company, 07036, Linden, NJ

    M. Raghavan

  2. Department of Materials Science and Engineering, University of California, 94720, Berkeley, CA

    G. Thomas (Professor)

Authors
  1. M. Raghavan
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  2. G. Thomas
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Raghavan, M., Thomas, G. Effects of substructure on the mechanical properties of Fe-Ni-Co-C alloys. Metall Trans A 10, 1665–1673 (1979). https://doi.org/10.1007/BF02811699

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  • DOI: https://doi.org/10.1007/BF02811699

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