• Title/Summary/Keyword: SWT 파라미터

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A Study on Fretting Fatigue Life Prediction for Cr-Mo Steel(SCM420) (크롬-몰리브덴강(SCM420)에 대한 프레팅 피로수명 예측에 관한 연구)

  • Kwak, Dong-Hyeon;Roh, Hong-Rae;Kim, Jin-Kwang;Cho, Sang-Bong
    • Journal of the Korean Society for Precision Engineering
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    • v.24 no.4 s.193
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    • pp.123-130
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    • 2007
  • Recently, a lot of work and interest have been devoted to the development of multiaxial fatigue parameters for fretting fatigue life prediction. In this study, the fretting fatigue lift and critical location ware estimated and evaluated through the multiaxial fatigue theories in a cylinder-on-flat contact configuration far Cr-Mo steel, SCM420, the material commonly is used in gears of the automobile and rollers of the conveyor. The strain-life curve was obtained from fatigue test for SCM420. The Fretting fatigue life and critical location were estimated through stress distributions, SWT-parameters and FS-parameters obtained from FEA. This paper showed possibility of applying multiaxial fatigue theories to fretting fatigue lift prediction comparing predicted life with experimental results.

A study on fretting fatigue life prediction using multiaxial fatigue parameters (다축 피로 파라미터를 이용한 프레팅 피로 수명 예측에 관한 연구)

  • Kwak D.H.;Roh H.R.;Kim J.K.;Cho S.B.
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 2006.05a
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    • pp.359-360
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    • 2006
  • Recently, a lot of work and interest has been devoted to the development of multiaxial fatigue parameters for fretting fatigue life prediction. Many of these parameters have been reviewed in the literature for simple geometries like a cylinder-on-flat contact configuration. The purpose of this study was to estimate fretting fatigue life using critical plane approach which is one of the multiaxial fatigue theories.

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