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Detailed three-dimensional size and shape characterisation of UHMWPE wear debris

Gladkis, Laura; Timmers, Heiko; Scarvell, Jennie; Smith, Paul


Atomic force microscopy (AFM) is used to characterise UHMWPE wear debris from a knee prosthesis actuated under constant load. The size and shape of debris particles is quantified in all three spatial dimensions. Artificially limiting the analysis to the two-dimensional projections of the particles onto the substrate plane, it has been found that equivalent shape ratio (ESR) plotted as a function of equivalent circle diameter (ECD) follows a trend observed before. Inclusion of the third,...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: WEAR
DOI: 10.1016/j.wear.2010.12.005


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