Title: Frequency Effect in Fretting Wear of Co-28Cr-6Mo Versus Ti-6Al-4V Implant Alloys
Authors: SCHAAFF PetraHOLZWARTH UWEDALMIGLIO M.
Citation: JOURNAL OF BIOMEDICAL MATERIALS RESEARCH vol. 77B no. 1 p. 79-88
Publisher: WILEY-LISS
Publication Year: 2006
JRC N°: JRC32462
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC32462
Type: Articles in periodicals and books
Abstract: A piezo-electrically driven fretting testing device has been constructed and fretting release and release rates have been determined with highest accuracy using a radio tracer technique. First results on the fretting release and release rate of titanium alloy fretting pads against Cobalt-chrome alloy fatigue specimens are reported. The frequency dependency of fretting release has been determined between 1 Hz and 8 Hz and shows higher release rates for low frequencies, thus indication that accelerated testing of materials and components of artificial joints must be analyzed extremely carefully. The present experiments under simple conditions present a base-line study for step-wise applying more complex and realistic testing conditions and for using radio tracer methods to quantify fretting release in simulated testing of artificial hip- and knee-prostheses.
JRC Directorate:Institute for Health and Consumer Protection Historical Collection

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