STP1367

    Effects of Contact Load and Contact Curvature Radius of Cylinder Pad on Fretting Fatigue in High Strength Steel

    Published: Jan 2000


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    Abstract

    Fretting fatigue of high strength steel was studied at various contact loads using bridge-type fretting cylindrical pads with various contact curvature radii. The fretting fatigue life showed a minimum at a certain contact load irrespective of the pad radius even though the frictional force increased monotonously with contact load. At a high contact load, the fretting fatigue life remained almost unchanged with a change in pad radius. At a low contact load, however, the fretting fatigue life increased with an increase in pad radius even though the frictional force was independent of the radius.

    Keywords:

    fretting fatigue, contact load, cylindrical pad, fretting pad radius, frictional force, high strength steel


    Author Information:

    Lee, SK
    Professor, Dong-A University, Saha-gu, Pusan

    Nakazawa, K
    Senior Researcher, Research Team Leader, and Senior Researcher, National Research Institute for Metals, Tsukuba,

    Sumita, M
    Senior Researcher, Research Team Leader, and Senior Researcher, National Research Institute for Metals, Tsukuba,

    Maruyama, N
    Senior Researcher, Research Team Leader, and Senior Researcher, National Research Institute for Metals, Tsukuba,


    Paper ID: STP14730S

    Committee/Subcommittee: E08.05

    DOI: 10.1520/STP14730S


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