Evaluation of tribological behavior of knee prostheses under cyclic load and velocity conditions

Shigeaki Moriyama, Teruo Murakami, Hidehiko Higaki, Nobuo Ohtsuki, Yoshinori Sawae

Research output: Contribution to journalArticlepeer-review


During walking motion, the tibial axis load and flexion-extension patterns in the knee joint are complex and these patterns may contribute to the formation of lubricating film. In order to evaluate tribological behavior of knee prostheses, the load and motion patterns were approximated using combinations of sinusoidal curves. The frictional behavior and lubricating film formation were examined under cyclic load and velocity conditions in a knee joint simulator. Fluid film formation in knee prostheses composed of metallic femoral and conductive silicone rubber tibial components was examined using the electric resistance method. The tribological severity was evaluated using the friction coefficient and degree of separation. The importance of the walking pattern in fluid film formation was demonstrated.

Original languageEnglish
Pages (from-to)757-763
Number of pages7
JournalNippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Issue number607
Publication statusPublished - 1997
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering


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