What is it about?
Ceramic ball bearing elements are widely used due to their light weight, resistance to corrosion failure, good performance at high temperatures and severe conditions of lubrication. This paper presents a three dimensional finite element analysis model in conjunction with surrogate and Monte Carlo simulation to predict failures in these ceramic balls due to fatigue crack.
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Why is it important?
Ceramic ball bearings perform relatively better in severe operating conditions, rolling contact fatigue failures are complex mechanisms and could result in costly breakdown of systems. Therefore, precision based failure prediction is needed to avoid any unexpected failures.
Perspectives
This paper presents experimental study of fatigue crack initiation and failure in ceramic ball bearings. This study is used to develop a model based on a combination of precision based techniques to predict fatigue crack propagation. This is significant in terms of several applications to mitigate costly failures.
Professor Zulfiqar Ahmad Khan
NanoCorr, Energy & Modelling Research Group, Bournemouth University
Read the Original
This page is a summary of: Experimental analysis and modelling of c-crack propagation in silicon nitride ball bearing element under rolling contact fatigue, Tribology International, October 2018, Elsevier,
DOI: 10.1016/j.triboint.2018.04.030.
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