Prediction of Rubber Element Useful Life under the Long-Term Cyclic Loads

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 Dyrda V.I., Loginova A.A. & Shevchenko V.G. (2016). Prediction of Rubber Element Useful Life under the Long-Term Cyclic Loads. Mechanics, Materials Science & Engineering Vol.6, pp. 145-150, doi: 10.13140/RG.2.2.25883.46884

Authors: Dyrda V.I., Loginova A.A., Shevchenko V.G.

ABSTRACT. Problems associated with the change of physical and mechanical properties and structure of resilient rubber elements of the VR type under long-term cyclic loads are considered integrally.

A general algorithm was developed for predicting useful life for the resilient rubber elements, which is based on: interrelated equations of equilibrium and simultaneousness of deformations for determining deflected mode of the vibroinsulators; equations of local useful life; equations of heat conductivity for determining temperature field in the rubber mass; criterion equation of destruction, which connects parameters of the system destruction with hours of the system service till its failure.

The algorithm for predicting useful life for the elements of the VR type takes into account changes of the element physical and mechanical properties.

Keywords: rubber element useful life, failure of vibroinsulators, cyclic loads

DOI 10.13140/RG.2.2.25883.46884

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