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On the relation of hardness and microstructure of tempered and spheroidized carbon steels

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Abstract

The dependence of Meyer hardness and Vickers hardness of tempered and spheroidized steels (0.065 to 1.23 pct C) on microstructural spacings obeys the Hall-Petch equation, provided that relevant spacing parameters are selected for each type of microstructure. It is found that the Tabor relation between hardness and uniaxial flow stress,H = Cσf, applies reasonably well to these steels over a range of carbon content and a range of rep-resentative strain. The geometrical constraints on the evaluation of hardness values from spherical indenters are discussed and considered in the analysis of results.

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Authors and Affiliations

  1. Division of Engineering, Brown University, Providence, Rhode Island

    P. C. Jindal & J. Gurland

Authors
  1. P. C. Jindal
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  2. J. Gurland
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P. C. Jindal was formerly with C. I. Hayes Co., Cranston, Rhode Island

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Jindal, P.C., Gurland, J. On the relation of hardness and microstructure of tempered and spheroidized carbon steels. Metall Trans 5, 1649–1653 (1974). https://doi.org/10.1007/BF02646338

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  • DOI: https://doi.org/10.1007/BF02646338

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