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Electrophysical properties of synovial fluid as a lubricating medium of joints

Pinchuk L., Tsvetkova E., Kadolich Z., Nikolaev V.

International Journal of Applied Mechanics and Engineering

2002

Vol. 7, Spec. is

41-45

The work presents the results of studying interrelation between synovial fluid lubricity and its conductivity and charge state of the friction surface in UHMWPE - CoCrMo pair. Negative charging of UHMWPE part surface was found to induce an improving action on the lubrication mechanism and reduced friction coefficient of the pair.

Polymer insert of hip joint cup endoprosthesis with modified friction surface

Tsvetkova E., Kadolich Z., Pinchuk L.

Applied Mechanics and Engineering

1999

Vol. 4, no spec.

247-250

The structural and morphological research of a material friction surface of ultra high molecular weight polyethylene for its use in hip joint cup endoprosthesis has been performed. The dependence of tribotechnical performances of the insert microporous material on parameters of charge state and kind of lubricating liquid has been studied.