Paper Title:
Ambiguous Transition from Fretting to Sliding of Biomedical Alloys
  Abstract

An intensive amplitude arrangement for reciprocal tribocontact of biomedical alloys, Ag-20.0Pd-14.5Cu-12.0Au, Au-5.0Pt-2.0Pd-9.2Ag-15.0Cu and Ti-29Nb-13Ta-4.6Zr was conducted in order to check the details of friction and wear alterations around the transition from fretting to sliding. It is shown that the friction force exhibits stagnation for the Ag alloy and decrease for the Au alloy and the Ti alloy in certain domain of oscillating amplitude. Beyond the domain the friction force increases with the amplitude, and below the lower threshold and above the upper threshold triboevent is complete fretting and sliding respectively. Observation of friction-force waveform and SEM topography found, a hybrid mechanism of fretting and sliding is dominant in the amplitude domain, and the strong adhesion between the self-mated alloys is responsible to this exhibition.

  Info
Periodical
Materials Science Forum (Volumes 475-479)
Main Theme
Edited by
Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie
Pages
2343-2348
DOI
10.4028/www.scientific.net/MSF.475-479.2343
Citation
H. Fukui, W. Yang, S. Tsuruta, K. Kaikawa, A. Sugimura, S. Takeda, M. Niinomi, "Ambiguous Transition from Fretting to Sliding of Biomedical Alloys", Materials Science Forum, Vols. 475-479, pp. 2343-2348, 2005
Online since
January 2005
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