Heat Resistance of Zr–1Nb Alloy Claddings in Water Vapor after Ion-Plasma Nitriding

The influence of ion-plasma nitriding time of Zr–1Nb alloy fuel cladding tubes on their resistance to oxidation in water vapor at 600–1200°C was studied. The hardness of the samples along the wall thickness increases from 2 to 3 GPa, and on the surface up to 12 GPa depending on the processing time....

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Published inMaterials science (New York, N.Y.) Vol. 58; no. 4; pp. 548 - 553
Main Authors Zuyok, V. A., Kuprin, O. S., Klymenko, I. O., Tolmachova, H. M., Tretiakov, M. V., Rud, R. O., Kushtym, Ya.A., Dykyi, I. V., Shevchenko, I. V., Shtefan, V. V.
Format Journal Article
LanguageEnglish
Published New York Springer US 2023
Springer
Springer Nature B.V
Subjects
Alloys
Building materials
Characterization and Evaluation of Materials
Chemistry and Materials Science
Corrosion and anti-corrosives
Ion nitriding
Materials Science
Nuclear energy
Oxidation resistance
Solid Mechanics
Specialty metals industry
Structural Materials
Thermal resistance
Tubes
Water vapor
Zirconium
Zirconium alloys
Zirconium base alloys
Zirconium alloy
Ion-plasma nitriding
Oxidation
Cladding
Water steam
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Summary:The influence of ion-plasma nitriding time of Zr–1Nb alloy fuel cladding tubes on their resistance to oxidation in water vapor at 600–1200°C was studied. The hardness of the samples along the wall thickness increases from 2 to 3 GPa, and on the surface up to 12 GPa depending on the processing time. The nitrided tubes oxidize much more under cracking and delamination of the oxide layer compared to the initial state.
ISSN:1068-820X
1573-885X
DOI:10.1007/s11003-023-00697-z