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Isothermal Formation of Martensite at Subzero

Temperatures in a high chromium steel

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Abstract

Isothermal formation of martensite occurs in the range of −65° to −197°C and is always preceded by some athermal transformation. By rapid cooling the isothermal, but not the athermal, component of transformation can be suppressed. Stabilization against isothermal transformation can be induced by cycling from below M, to room temperature.

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References

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Authors and Affiliations

  1. Department of Metallurgy, University of Notre Dame, Notre Dame, Ind., USA

    S. C. Das Gupta (Research Fellow)

  2. Department of Metallurgy, Massachusetts Institute of Technology, Cambridge, Mass., USA

    B. S. Lement (Associate Member AIME, Research Staff)

Authors
  1. S. C. Das Gupta
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  2. B. S. Lement
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Additional information

Discussion on this paper, TP 3123E, may be sent, 2 copies, to AIME by Dec. 1, 1951. Manuscript, April 16, 1951. Detroit Meeting, October 1951.

This paper represents part of a thesis by S. C. Das Gupta submitted in partial fulfillment of requirements for the degree of Doctor of Philosophy in Metallurgy to the University of Notre Dame.

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Das Gupta, S.C., Lement, B.S. Isothermal Formation of Martensite at Subzero. JOM 3, 727–731 (1951). https://doi.org/10.1007/BF03397383

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