Measurement of Wear and Friction Coefficients for the Prediction of Fretting Wear

프레팅 마멸계수 및 마찰계수 측정에 관한 연구

  • Cho, Yong Joo (Dept. of Mechanical Engineering, Pusan National University) ;
  • Kim, Tae Wan (Dept. of Mechanical Engineering, Pukyong National University)
  • 조용주 (부산대학교 기계공학과) ;
  • 김태완 (부경대학교 기계공학과)
  • Received : 2012.04.10
  • Accepted : 2012.05.04
  • Published : 2012.06.30


The prediction of fretting wear is a significant issue for the design of contacting mechanical components such as flexible couplings and splines, jointed structures and so on. In our earlier study, we developed a numerical model to predict the fretting wear using boundary element method. The developed algorithm needs experimental fretting wear coefficients and friction coefficients between two moving materials to get more reliable results. In this study, therefore, we demonstrated the measurement method of the fretting wear coefficients and friction coefficients using disk on plate tribometer with piazo actuator and gap sensor. For four different material combinations, the fretting wear coefficients and friction coefficients are acquired through the fretting wear experiment and the analysis of the measured values. Thess results are useful to predict the quantative fretting wear rate in the developed algorithm.


Supported by : 부경대학교


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