Evolution of β-Nb precipitates during hydrogenation of a zirconium-niobium alloy

Evolution of β-Nb precipitates during hydrogenation of a zirconium-niobium alloy

We firstly reported that during hydrogenation of Zr-Nb alloy, β-Nb particles transformed into rods with their major axes parallel to each other within neighboring ε-ZrH2 grains, while obeying orientation relationship with the matrix: [101] ZrH2 // [1¯13] β-Nb. Parallel Moiré fringes were observed vi...

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Veröffentlicht in:Journal of nuclear materials 2022-01, Vol.558, p.153397, Article 153397
Hauptverfasser: Wu, Jinping, Liu, Chengze, Li, Huan, Cui, Changxing, Xu, Jianping, Zhang, Yusheng
Format: Artikel
Sprache:eng
Schlagworte:
Hydrogenation
Moire fringes
Neutron moderation material
Niobium
Precipitates
Zirconium
Zirconium base alloys
Zirconium hydrides
Zr-Nb alloy
β-Nb
ε-ZrH2
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Zusammenfassung:We firstly reported that during hydrogenation of Zr-Nb alloy, β-Nb particles transformed into rods with their major axes parallel to each other within neighboring ε-ZrH2 grains, while obeying orientation relationship with the matrix: [101] ZrH2 // [1¯13] β-Nb. Parallel Moiré fringes were observed viewing along [101] ZrH2 due to the low mismatch angle between (101) ZrH2 and (101¯) β-Nb.
ISSN:0022-3115
1873-4820
DOI:10.1016/j.jnucmat.2021.153397