Structure Effect on the Diffusion and Accumulation of Hydrogen in the Zr–1Nb Alloy

Comparative studies of the diffusion and accumulation of hydrogen in the Zr–1 wt.% Nb alloy in the finegrained and ultrafine-grained states during electrolytic saturation were carried out by the membrane method. The formation of an ultrafine-grained structure is established to lead to a decrease in...

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Bibliographic Details
Published in:Russian physics journal 2022-12, Vol.65 (8), p.1340-1347
Main Authors: Grabovetskaya, G. P., Stepanova, E. N., Nikitenkov, N. N., Mishin, I. P., Vinokurov, V. A., Sypchenko, V. S., Kudiiarov, V. N.
Format: Article
Language:English
Subjects:
Accumulation
Alloys
Bulk density
Comparative analysis
Comparative studies
Condensed Matter Physics
Diffusion coefficient
Diffusion effects
Diffusion rate
Dislocation density
Grain boundaries
Hadrons
Heavy Ions
Hydrogen
Lasers
Mathematical and Computational Physics
Niobium base alloys
Nuclear Physics
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Theoretical
Ultrafines
Zirconium
Zirconium alloys
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Summary:Comparative studies of the diffusion and accumulation of hydrogen in the Zr–1 wt.% Nb alloy in the finegrained and ultrafine-grained states during electrolytic saturation were carried out by the membrane method. The formation of an ultrafine-grained structure is established to lead to a decrease in the effective diffusion coefficient and the rate of hydrogen accumulation in the bulk of the alloy. The influence of the dislocation density and the length of grain boundaries on the effective diffusion coefficient of hydrogen and the ability of the alloy to accumulate hydrogen in the bulk are considered.
ISSN:1064-8887
1573-9228
DOI:10.1007/s11182-023-02772-z