Impact angle effects on the transition boundaries of the aqueous erosion-corrosion map

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Stack, M M and Corlett, N. and Zhou, S (1999) Impact angle effects on the transition boundaries of the aqueous erosion-corrosion map. Wear, 229. pp. 190-198. ISSN 0043-1648 (https://doi.org/10.1016/S0043-1648(99)00050-2)

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Abstract

A new development in the study of erosion-corrosion mechanisms in aqueous conditions has been the construction of erosion-corrosion maps. Such maps show the transitions between the erosion-corrosion 'regimes' as a function of the main erosion and corrosion variables. The maps can also be used to optimize the process parameters to minimize the wastage. The aim of this work has been to demonstrate the generalized effect of impact angle on the boundaries of the erosion-corrosion map, by combining mathematical models of solid particle erosion at various impact angles with those for aqueous corrosion. The effects were investigated for carbon steel. Erosion-corrosion maps were constructed based on the model predictions, showing the transition boundaries as a function of velocity and electrochemical potential. The results were used to generate particle velocity-impact angle maps demonstrating the erosion-corrosion mechanism and wastage level. It was shown that the degradation mode varied significantly as a function of increasing impact angle. Implications of using various erosion models (showing different erosion rate predictions as a function of impact angle), for the generation of erosion-corrosion maps, are also addressed in this paper. (C) 1999 Published by Elsevier Science S.A. All rights reserved.

ORCID iDs

Stack, M M ORCID logoORCID: https://orcid.org/0000-0001-6535-6014, Corlett, N. and Zhou, S;
CORE (COnnecting REpositories)