Cite the paper
T. Goswami, V. Perel (2016). Probabilistic Analysis of Wear of Polymer Material used in Medical Implants. Mechanics, Materials Science & Engineering, Vol 7, pp. 142-153, doi:10.2412/mmse.7.971.990
Authors: T. Goswami, V. Perel
ABSTRACT. Probabilistic methods are applied to the study of fatigue wear of sliding surfaces. A variance of time to failure (to occurrence of maximum allowable wear depth) is evaluated as a function of a mean wear rate of normal wear and a size of wear particles. A method of estimating probability of failure-free work during a certain time interval (reliability) is presented. An effect of the bedding-in phase of wear on the reliability is taken into account. Experimental data for Ultra High Molecular Weight Polyethylene (UHMWPE) cups of artificial hip implants is used to make numerical calculations.
Keywords: medical implants, wear, probabilistic analysis, reliability
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