A study of wear characteristics of superpolished orthopaedic implant materials using ultra-precision polishing
Key Engineering Materials, ISSN: 1662-9795, Vol: 447 448, Page: 111-115
2010
- 1Citations
- 6Captures
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Conference Paper Description
Ultra-precision polishing is an emerging technology for producing superfinishing surfaces with sub-micrometer form accuracy and surface finish in nanometer range. It has been applied in superpolishing the freeform bearing surfaces of orthopaedic implants. It is believe that the superfished surfaces are capable of prolonging the life of the implants. In this paper, an experimental investigation of ultra-precision polishing of orthopaedic implants and the study of the wear characteristics of the superfinished surfaces using a multi-directional pin-on-plate wear test simulator have been conducted. Tests were carried out over 3 million cycles using Zeeko IRP200 superfinished cobalt chrome pins articulating against cross-linked UHMWPE plates. The results were compared to that of manually polished pins articulated against the same UHMWPE material. The results show that the Zeeko IRP200 polished pins produced better wear performance that that of the manually polished pins. © (2010) Trans Tech Publications.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=78650425708&origin=inward; http://dx.doi.org/10.4028/www.scientific.net/kem.447-448.111; https://www.scientific.net/KEM.447-448.111; https://www.scientific.net/KEM.447-448.111.pdf; http://www.scientific.net/KEM.447-448.111; http://www.scientific.net/KEM.447-448.111.pdf; https://dx.doi.org/10.4028/www.scientific.net/kem.447-448.111
Trans Tech Publications, Ltd.
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