Wear Modelling of Total Knee Replacements

Fekete, Gusztáv and Singh, Tej and Jánosi, Endre (2022) Wear Modelling of Total Knee Replacements. ACTA MATERIALIA TRANSYLVANICA (EN), 5 (2). pp. 66-71. ISSN 2601-8799

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Abstract

Beside prosthesis loosening, wear is the mechanical factor that most significantly influences the lifetime of total knee replacements (TKRs), which can only be described by a number of interrelated parameters. The examination of the wear occurring in TKRs is mostly carried out as a combination of experiments and mathematical modeling. The experiment can provide the real magnitude of wear, while the model is intended to mathematically describe the relationship between wear and the wear-inducing parameters. On the one hand, this study focuses on the mathematical description of wear as a natural-technical phenomenon, presenting the most important analytical and numerical models, while also providing an open view on exciting questions that still await answers.

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