Journal of the Korea Institute of Military Science and Technology (한국군사과학기술학회지)

The Korea Institute of Military Science and Technology (한국군사과학기술학회)
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Development of Fretting Fatigue Parameter

접촉피로 파라미터의 개발

  • Lee, Hyuk-Jae (Materials Research Center for Energy and Green Technology, Andong National University)
  • 이혁재 (안동대학교 청정에너지소재기술연구센터)
  • Received : 2010.10.08
  • Accepted : 2011.01.13
  • Published : 2011.02.05
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Abstract

In this study, new multi-axial, critical plane based, fretting fatigue crack initiation parameter is developed by the addition of a new term into the Modified Shear Stress Range(MSSR) parameter. The newly developed parameter (MSSR') is then used to evaluate fretting fatigue life of titanium alloy, Ti-6A1-4V with various contact conditions. Finite element analysis is also used in order to obtain stress distribution on the contact surface during fretting fatigue test, which is then used for the calculation of fretting fatigue parameter. The MSSR' parameter shows better performance in predicting fretting fatigue lives from the conventional fatigue data, and less scattering within fretting fatigue data with different contact geometries.

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References

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