Abstract
Understanding the erosion mechanism is a key to improve the performance of material subjected to erosive condition. Capability to predict the erosion mechanism could prove to be useful tool. In this work, a parameter named “erosion mechanism identifier,” ξ, is proposed to predict the erosion mechanism in materials. Suitability of ξ in predicting erosion mechanism of ductile and brittle materials was evaluated using the data reported in the literature. It was observed that ξ is able to predict the erosion mechanism for both categories of material. The predictability of ξ was not restrained by different operating conditions.
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Abbreviations
- E :
-
Erosion rate
- H :
-
Hardness
- K :
-
Toughness
- V :
-
Volume loss
- m :
-
Mass of erodent particles
- v :
-
Velocity of erodent particles
- η :
-
Erosion efficiency
- ξ :
-
Erosion mechanism identifier
- σ :
-
Critical stress
- σ u :
-
Ultimate tensile strength
- σ R :
-
Transverse rupture strength
- τ u :
-
Ultimate shear strength
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Acknowledgments
Authors thankfully acknowledge the financial assistance provided by Council of Scientific and Industrial Research (CSIR), India, under project title “Development of Slurry Erosion Resistant Coatings for Hydroturbines,” File no.: 22(0604)/12/EMR-II.
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Grewal, H.S., Agrawal, A. & Singh, H. Identifying Erosion Mechanism: A Novel Approach. Tribol Lett 51, 1–7 (2013). https://doi.org/10.1007/s11249-013-0156-4
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DOI: https://doi.org/10.1007/s11249-013-0156-4