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Effect of shot peening on the high temperature molten salt corrosion resistance of P91 boiler steel
S. Mahajan, S. Sharma, D. Goyal,
Published in Elsevier Ltd
Volume: 41
Issue: 4
Pages: 801 - 804
This article is an attempt to investigate the effect of the shot peening on hot corrosion behaviour of alloy P9 when exposed to a molten salt mixture of 40%Na2SO4+ 60%V2O5. The specimens were operated at 750°C. The shot peening process creates short diffusion paths, which helps to enhance the rapid fusion of the elements. It helps in the formation of protective oxides, which leads to better corrosion resistance against molten salt attack. Thermogravimetric analysis was carried out to observe the impact of molten salts on the corrosion rate of the different specimens. The shot-peened specimens possess better corrosion resistance properties as compared to the non-shot peened specimens. © 2020 Elsevier Ltd. All rights reserved.
About the journal
JournalData powered by TypesetMaterials Today: Proceedings
PublisherData powered by TypesetElsevier Ltd
Open AccessNo