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Mathematical Modeling and Simulation of Hardness of Quenched and Tempered Steel

Metallurgical and Materials Transactions B volume 46, pages 2666–2673 (2015)Cite this article

Abstract

A mathematical model and expressions for hardness prediction were established, where quenched and tempered steel hardness is predicted based on as-quenched hardness of steel. Hardenability properties of steel are included in the model to achieve a more precise prediction of quenched and tempered steel hardness. Prediction of the as-quenched hardness of steel is based on the relationship between as-quenched hardness and the characteristic cooling time from 1073 K to 773 K (800 °C to 500 °C) (t 8/5). The model was used to simulate the hardness of a quenched and tempered steel workpieces.

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Acknowledgments

This work has been fully supported–supported in part by Croatian Science Foundation under the Project 5371.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Faculty of Engineering, University of Rijeka, Vukovarska 58, 51000, Rijeka, Croatia

    Božo Smoljan (Full Professor and Head)

  2. Department of Mechanical and Materials Engineering, Portland State University, PO Box 751, Portland, OR, 97207, USA

    George E. Totten (Research Professor)

  3. Laboratory for Material Testing, Department of Materials Science and Engineering, Faculty of Engineering, University of Rijeka, Vukovarska 58, 51000, Rijeka, Croatia

    Dario Iljkić (Assistant Professor and Head)

Authors
  1. Božo Smoljan
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  2. Dario Iljkić
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  3. George E. Totten
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Corresponding author

Correspondence to Božo Smoljan.

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Manuscript submitted December 10, 2014.

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Smoljan, B., Iljkić, D. & Totten, G.E. Mathematical Modeling and Simulation of Hardness of Quenched and Tempered Steel. Metall Mater Trans B 46, 2666–2673 (2015). https://doi.org/10.1007/s11663-015-0451-6

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  • DOI: https://doi.org/10.1007/s11663-015-0451-6

Keywords

  • Martensite
  • Bainite
  • Pearlite
  • Cooling Time
  • Maximum Hardness