Effect of Zr and ZrO2 on aqueous corrosion behaviour of oxide dispersion strengthened 9Cr ferritic-martensitic steels

G. Nischay Kaushik,M. Nagini, M. Surya Prakash Reddy,Neha Y. Hebalkar,R. Vijay,B. S. Murty

Materials Letters（2022）

引用 7|浏览8

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摘要

•All three alloys showed hysteresis loops, suggesting localized corrosion.•The ODS9Cr steels exhibited an improved corrosion resistance compared to NODS.•Higher EBP and Rct; lower Ipass were observed for ODS9Cr-ZrO2 alloy.•The finer structure and passive layer make ODS9Cr steels more corrosion resistant.•However, ODS9Cr steel has slightly better corrosion resistance.

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关键词

Corrosion,Nanocrystalline materials,Microstructure

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