Tribology and Lubricants

Korean Tribology Society (한국트라이볼로지학회)
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Influence of Stick-Slip Behavior on the Friction Force under Fretting Conditions

프레팅 조건 하에서 스틱-슬립 현상이 마찰력에 미치는 영향

  • Lee Young-Ze (School of Mechanical Engineering, Sungkyunkwan University) ;
  • Jeong Sung-Hoon (School of Mechanical Engineering, Sungkyunkwan University) ;
  • Yong Suk-Ju (School of Mechanical Engineering, Sungkyunkwan University)
  • 이영제 (성균관대학교 기계공학부) ;
  • 정성훈 (성균관대학교 기계공학부) ;
  • 용석주 (성균관대학교 기계공학부)
  • Published : 2005.02.01
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Abstract

Friction and wear characteristics between two steel surfaces under fretting condition are investigated experimentally. The fretting damage caused by low-amplitude oscillatory sliding can be classified into three regimes of gross-slip, mixed-slip and partial-slip due to stick-slip phenomenon. One of the most important characteristics of fretting wear is the transition from gross-slip to mixed-slip. This study was focused on getting the degree of stick-slip out of the friction transition under fretting condition. Fretting wear is divided into three conditions of gross-slip/mixed-slip/partial-slip. The criteria for the division are friction and displacement amplitude, wear scar morphology and dissipated energy. In this test, friction force and displacement were measured for detecting the transition from mixed-slip to gross-slip and qualitatively predicting the degree of the wear.

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References

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