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| Titel: |
A multi-directional wear screening device and preliminary results of UHMWPE articulating against stainless steel |
| Auteur: |
Joyce, T.J. Monk, D. Scholes, S.C. Unsworth, A. |
| Verschenen in: |
Bio-medical materials and engineering |
| Paginering: | Jaargang 10 (2001) nr. 3-4 pagina's 241-249 |
| Jaar: |
2001-04-01 |
| Inhoud: |
This paper describes the design of a pin on plate rig which has been modified to give multi-directional motion to the test pins, resulting in elliptical and quasi-elliptical wear paths. Such paths are closer to those seen in vivo by a femoral head articulating against an acetabular cup. The description of the rig is augmented by the results of a test of ultra high molecular weight polyethylene pins rubbing against stainless steel plates, with dilute bovine serum at 37°C being used as the lubricant. With standard reciprocating motion, a mean wear factor of 0.085 × 10−6 mm3/N m was found, but with multi-directional motion, the mean wear factor increased to 1.10 × 10−6 mm3/N m, which is very similar to in vivo wear factors. |
| Uitgever: |
IOS Press |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 1 van 11 gevonden artikelen
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