Volume 16, Issue 2 (March 1988)

    Cryogenic Fatigue Properties of 304L and 316L Stainless Steels Compared to Mechanical Strength and Increasing Magnetic Permeability

    (Received 20 January 1987; accepted 13 July 1987)

    CODEN: JTEOAD

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    Abstract

    For superconducting magnet applications, the 4 K fatigue life curves of the cryogenic structural materials 304L and 316L stainless steel were obtained using axial-strain control conditions. These curves were compared with others at 77 and 300 K and with data for other 300-series stainless steels in the literature. Increasing magnetic permeability with monotonic tensile and cyclic straining, due to strain-induced martensitic transformation, was also investigated, since 304L and 316L are metastable austenitic stainless steels. 4 K fatigue life curves relating magnetic permeability effects were obtained. Fatigue tests relating magnetic permeability at 77 and 300 K were also conducted for comparison. Finally, a cryogenic fatigue design criterion for preventing mechanical failure and increasing magnetic permeability was considered.


    Author Information:

    Suzuki, K
    Heavy Apparatus Engineering Laboratory, Toshiba Corporation, Yokohama,

    Fukakura, J
    Heavy Apparatus Engineering Laboratory, Toshiba Corporation, Yokohama,

    Kashiwaya, H
    Heavy Apparatus Engineering Laboratory, Toshiba Corporation, Yokohama,


    Stock #: JTE11161J

    ISSN: 0090-3973

    DOI: 10.1520/JTE11161J

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    Author
    Title Cryogenic Fatigue Properties of 304L and 316L Stainless Steels Compared to Mechanical Strength and Increasing Magnetic Permeability
    Symposium , 0000-00-00
    Committee A01