Friction and Wear Studies of Articular Cartilage: A Scanning Electron Microscope Study

[+] Author and Article Information
I. C. Clarke, R. Contini

Biomechanics Research Division, Medical School, UCLA, Calif.

R. M. Kenedi

Bioengineering Unit, University of Strathclyde, Glasgow, Scotland, U. K.

J. of Lubrication Tech 97(3), 358-366 (Jul 01, 1975) (9 pages) doi:10.1115/1.3452600 History: Received June 26, 1974; Online October 18, 2010


The friction and wear characteristics of human hip joints were investigated using a pendulum-device and the Scanning Electron Microscope (SEM). The frictional phenomena of the joints oscillating under a variety of conditions were integrated with published data to provide a composite picture. As an accelerated “wear” model, joints were run “dry”, i.e., no fluid environment. This “wear” model was less severe than anticipated and subsequent damage involved only the superficial regions of the cartilage bearing material. The disruption occurred at sites where osteoarthritic damage has been detected clinically and progressed along the orientated fibrillar layers and was therefore oriented predominantly perpendicularly to joint motion.

Copyright © 1975 by ASME
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