Failure analysis on retrieved ultra high molecular weight polyethylene (UHMWPE) acetabular cups

dc.contributor.authorBurger, Nicolaas Daniel Lombard
dc.contributor.authorDe Vaal, Philip L.
dc.contributor.authorMeyer, Josua P.
dc.contributor.emaildanie.burger@up.ac.zaen
dc.date.accessioned2007-05-23T09:48:24Z
dc.date.available2007-05-23T09:48:24Z
dc.date.issued2007-10
dc.description.abstractRetrievals obtained after revision surgery, provide valuable information on the rate of wear and the causes of wear that take place in vivo. The aim of this study was to perform a root cause failure analysis to determine the principle reason for mechanical failure on failed acetabular cups, retrieved during revision surgery, by making use of sound engineering failure analysis techniques. The bearing couples varied between steel on UHMWPE and ceramic on UHMWPE. The information gained during this analysis brought to the fore that the principle mode of mechanical failure for acetabular cups is overheating of the UHMWPE. The resulting overheating is mainly due to a lack of good and/or sufficient lubrication.en
dc.format.extent1472182 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.citationBurger, NDL, De Vaal, PL & Meyer, JP 2007. ‘Failure analysis on retrieved ultra high molecular weight polyethylene (UHMWPE) acetabular cups’, Engineering Failure Analysis, Vol.14, Issue 7, pp. 1329-1345 [http://www.sciencedirect.com/science/journal/13506307]en
dc.identifier.issn1350-6307
dc.identifier.other10.1016/j.engfailanal.2006.11.005
dc.identifier.urihttp://hdl.handle.net/2263/2502
dc.language.isoenen
dc.publisherElsevieren
dc.rightsElsevieren
dc.subjectOver heatingen
dc.subjectFailure analysisen
dc.subjectRetrievalsen
dc.subjectAcetabular cupsen
dc.subject.lcshMechanical wear
dc.subject.lcshAcoustical engineering
dc.subject.lcshLubrication and lubricants
dc.titleFailure analysis on retrieved ultra high molecular weight polyethylene (UHMWPE) acetabular cupsen
dc.typePostprint Articleen

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