Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

On the Construction of Raindrop Erosion Maps for Steel

Version 1 : Received: 3 August 2020 / Approved: 4 August 2020 / Online: 4 August 2020 (15:56:32 CEST)
Version 2 : Received: 4 August 2020 / Approved: 5 August 2020 / Online: 5 August 2020 (10:36:55 CEST)

How to cite: Sloan, J.; Stack, M.M. On the Construction of Raindrop Erosion Maps for Steel. Preprints 2020, 2020080098. Sloan, J.; Stack, M.M. On the Construction of Raindrop Erosion Maps for Steel. Preprints 2020, 2020080098.


Raindrop erosion is a significant materials limiting issue. It can affect materials for transportation and renewable energy converters such as wind turbines as well as all external structures used in the construction industries. In such cases, the raindrop effects can occur over a wide range of impact velocities and particles sizes. In understanding tribological variable effects, it is useful to study using reference materials. This is because the reference material is well characterized, from previous knowledge of the tribological and corrosion patterns. Further, the well established chemical composition and stochiometry of the corrosion products provide some background understanding of how effectively, during tribological action, the surface scale adheres to the substrate. In this study, a carbon steel was used as a reference to study the effects of velocity and drop diameter in a whirling arm erosion test rig. The results were used to establish the conditions where corrosion was accelerated and the environments where aerodynamic effects may have resulted in droplets being deflected the surfaces. Erosion maps were generated to illustrate such mechanisms based on the results.


Raindrop erosion; Steel; Maps


Chemistry and Materials Science, Materials Science and Technology

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