Ion implantation effects on friction and wear of joint prosthesis materials

The literature contains many results from in vitro friction and wear tests for simulating the behaviour of human joint prostheses. However, they are difficult to correlate, even when they are not contradictory. In friction tests, several friction-mechanisms occur when the Ti-6AI-4V titanium alloy ru...

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Bibliographic Details
Published in:Biomaterials 1991-03, Vol.12 (2), p.139-143
Main Authors: Rieu, J., Pichat, A., Rabbe, L-M., Rambert, A., Chabrol, C., Robelet, M.
Format: Article
Language:English
Subjects:
Alloys
Biological and medical sciences
Corrosion
friction measurement
ion implantation
Joint Prosthesis
Materials Testing
Medical sciences
Nitrogen - chemistry
Orthopaedic implants
Orthopedic surgery
Polyethylenes
Polypropylenes
Stainless Steel
Surface Properties
Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
Titanium
titanium alloys
wear
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Summary:The literature contains many results from in vitro friction and wear tests for simulating the behaviour of human joint prostheses. However, they are difficult to correlate, even when they are not contradictory. In friction tests, several friction-mechanisms occur when the Ti-6AI-4V titanium alloy rubs against the UHMWPE polyethylene. Corrosion effects which increase wear happen when the 316L stainless steel is used in Ringer's solution. Ion implantation surface treatments have been performed on these three materials. When the operating conditions were optimized, an important reduction of wear and corrosion was observed. The property improvements are due to structural modifications in a thin layer of the materials.
ISSN:0142-9612
1878-5905
DOI:10.1016/0142-9612(91)90192-D