Abstract
Erosion data are compared with two theories that have been suggested to explain the erosive behaviour of solids. A dimensional analysis is applied to the variables that are important to erosion, and a multivariate, linear regression analysis is used to fit the data to the dimensional analysis. The results of the linear regression analyses are compared with the two theories in order to evaluate the applicability of these theories to erosion. Although semi-quantitative agreement of the data with the theories is obtained, some discrepancies are apparent. In particular, the dependence of erosion rate on hardness and critical stress intensity factor is greater than predicted by either of the two theories. These discrepancies are attributed primarily to microstructural aspects of erosion that are not modelled by either of the theories.
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Wiederhorn, S.M., Hockey, B.J. Effect of material parameters on the erosion resistance of brittle materials. J Mater Sci 18, 766–780 (1983). https://doi.org/10.1007/BF00745575
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DOI: https://doi.org/10.1007/BF00745575