ANALYSIS OF THE RESULTS OF CONVERGENCE IN FATIGUE DURABILITY RESEARCH
Journal Title: Tribologia - Year 2009, Vol 225, Issue 3
Abstract
The article presents the results of research carried out to estimate the convergence of friction contact fatigue durability predictions. The fatigue wear of the pitting type was analysed. According to the procedure, the research series encompass 24 research operations that are usually time-consuming and increase experiment costs. The major aim of the presented research was to estimate the possibilities of shortening the research procedure while the error of such approximation can be accepted. The experimental research was conducted on the modernized four-ball apparatus in the Tribological Research Laboratory of the Institute for Sustainable Technologies – NRI in Radom. The 37 research experiments were carried out for different materials and lubricants. As the criterion of research results, convergence the relative error of the shortened procedure fatigue prediction and 24 courses procedure prediction was established. The analysis of experimental results shows the premises to shorten the research procedure and arguments for research of factors that influence prediction convergence.<br/><br/>
Authors and Affiliations
Witold Piekoszowski, Ryszard Ruta, Magdalena Trzos
Keywords
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