Abstract
The variation of erosion rate with particle flux was studied for five elastomers (natural rubber and epoxidized natural rubber, both with and without antioxidant, and butyl rubber) whilst subject to erosion by 120μm silica particles at 50 m sec−1. Th.e erosion rate was found to increase at low particle fluxes, for the elastomers without antioxidant. Infrared spectroscopy showed that there was a considerable degree of oxygen incorporation into the elastomer surface during erosion. Studies with an intermittent erosion stream suggest that a transient reaction occurs on impact causing degradation of the elastomer surface, which can account for the variation of erosion rate with particle flux. Studies with a range of erodent particles (silica, alumina, silicon carbide and soda-lime glass beads) showed that the degradation is more pronounced for hydrophilic particles.
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Arnold, J.C., Hutchings, I.M. Flux rate effects in the erosive wear of elastomers. J Mater Sci 24, 833–839 (1989). https://doi.org/10.1007/BF01148765
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DOI: https://doi.org/10.1007/BF01148765