On the model for identification of wear law parameters of viscoelastic materials based on ball-on-disk wear tests

An analytical model of contact interaction between spherical indenter and rotating disk of viscoelastic material (ball-on-disk configuration) is considered. The numerical analysis for influence of load–speed regime on wear rate of disk is carried out. It is shown that adequate choice of contact interaction model which takes into account rheological behavior of the disk material is important in identification of wear law parameters based on the testing results.

► Ball-on-disk wear tests are widely used in tribology.
► Contact model is an important aspect in identification of wear law parameters.
► Rheology of tested material can effect greatly on its wear.
► These properties must be taken into account in identification of wear law parameters.