STP987

    Rolling Contact Fatigue Life of Various Kinds of High-Hardness Steels and Influence of Material Factors on Rolling Contact Fatigue Life

    Published: Jan 1988


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    Abstract

    The influence of material factors, such as types of steels, steelmaking process, cleanliness, fiber orientation, forging ratio, subzero treatment upon rolling contact fatigue life, was investigated for rolling bearing steels produced recently. Rolling contact fatigue life of recent steels which have high cleanliness has increased remarkably, and the influence of fiber orientation or subzero treatment upon rolling contact fatigue life is negligible, contrary to previous steels. Rolling contact fatigue life levels of each type of steels tested under three different test conditions were described. Depending on test conditions, their rolling contact fatigue strengths relative to others differed significantly in some cases.

    Keywords:

    rolling contact fatigue, bearing steels, continuous casting, heat-resistant steel, fiber orientation, forging, subzero treatment


    Author Information:

    Tsushima, N
    Senior research scientist, research engineer, and staff engineer, NTN Toyo Bearing Co., Ltd., Kuwana,

    Maeda, K
    Senior research scientist, research engineer, and staff engineer, NTN Toyo Bearing Co., Ltd., Kuwana,

    Nakashima, H
    Senior research scientist, research engineer, and staff engineer, NTN Toyo Bearing Co., Ltd., Kuwana,


    Paper ID: STP26231S

    Committee/Subcommittee: A01.28

    DOI: 10.1520/STP26231S


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