Unusually high erosion resistance of zirconium-based bulk metallic glass


The liquid impingement erosion behavior of a zirconium-based bulk metallic glass (BMG), Zr44Ti11Cu10Ni10Be25, was evaluated in this study. For comparison, commonly used hydroturbine steel was evaluated under the same test conditions. BMG demonstrated more than four times higher resistance against cavitation erosion compared with hydroturbine steel. The unusually high erosion resistance for BMG is attributed to its uniform amorphous structure with no grain boundaries, higher hardness, and ability to accommodate strain through localized shear bands.

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Correspondence to Sundeep Mukherjee.

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Arora, H.S., Grewal, H.S., Singh, H. et al. Unusually high erosion resistance of zirconium-based bulk metallic glass. Journal of Materials Research 28, 3185–3189 (2013). https://doi.org/10.1557/jmr.2013.298

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