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475°C (885°F) embrittlement in stainless steels

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Abstract

Changes in hardness, tensile properties, microstructure, electrical resistance, and X-ray diffraction effects indicate that lattice strains are necessary for the embrittlement of ferritic stainless steels when heated for relatively short times at 475°C (885°F). It is suggested that 475°C (885°F) embrittlement is due to the accelerated formation of an intermediate stage in the formation of σ under the influence of these strains.

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Author information

Authors and Affiliations

  1. Research Laboratory, Allegheny Ludlum Steel Corp., Brackenridge, Pa., USA

    A. J. Lena (Junior Member AIME, Associate Director of Research)

  2. Quality Evaluation Laboratory, Naval Ammunition Depot, Oahu, Hawaii, USA

    M. F. Hawkes (Member AIME, Head of the Metallurgical Section)

Authors
  1. A. J. Lena
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  2. M. F. Hawkes
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Additional information

Discussion on this paper, TP 3744E, may be sent, 2 copies, to AIME by July 1, 1954. Manuscript, Aug. 27, 1953. New York Meeting, February 1954.

This paper is based on a thesis by A. J. Lena submitted in partial fulfillment of the requirements for the degree of Doctor of Science to Carnegie Institute of Technology.

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Lena, A.J., Hawkes, M.F. 475°C (885°F) embrittlement in stainless steels. JOM 6, 607–615 (1954). https://doi.org/10.1007/BF03398881

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  • DOI: https://doi.org/10.1007/BF03398881

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