Elucidating white-etching matter through high- strain rate tensile testing

W. Solano-Alvarez, J. Duff, M. C. Smith and H. K. D. H. Bhadeshia


A form of damage in bearing steels subjected to rolling contact fatigue is the formation of localised regions of white material just below the contact surface. These ‘white-etching regions’ are strikingly visible signs of damage during metallographic examination. One mechanism proposed to explain their formation is adiabatic shear localisation. Experiments are reported here using high strain-rate (250 / s) tensile testing to show that this is not the case.

Materials Science and Technology (2016) DOI 10.1080/02670836.2016.1195981

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