Effect of Radiation Exposure on the Structure and Diffusion in the Near-Surface Layer of Ultrafine-Grained Nickel

The effect of irradiation of ultrafine-grained (UFG) nickel with a pulsed electron beam (PEB) in the mode without surface melting on the copper diffusion in the near-surface layer is studied. The profiles of copper concentration distribution over the depth after isothermal diffusion annealing and PE...

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Bibliographic Details
Published in:Russian physics journal 2021-09, Vol.64 (5), p.859-865
Main Authors: Grabovetskaya, G. P., Mishin, I. P., Stepanova, E. N., Teresov, A. D.
Format: Article
Language:English
Subjects:
Analysis
Annealing
Condensed Matter Physics
Copper
Diffusion annealing
Diffusion layers
Electron beams
Grain boundary diffusion
Hadrons
Heavy Ions
Lasers
Mathematical and Computational Physics
Nickel
Nuclear Physics
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Radiation
Radiation effects
Surface layers
Theoretical
Ultrafines
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Summary:The effect of irradiation of ultrafine-grained (UFG) nickel with a pulsed electron beam (PEB) in the mode without surface melting on the copper diffusion in the near-surface layer is studied. The profiles of copper concentration distribution over the depth after isothermal diffusion annealing and PEB-irradiation annealing of the UFG nickel surface are determined. It is found out that as a result of PEB irradiation, the coefficient of grain-boundary diffusion of copper in nickel increases and the mode of grain-boundary heterodiffusion in the near-surface layer of nickel changes in comparison with isothermal diffusion annealing.
ISSN:1064-8887
1573-9228
DOI:10.1007/s11182-021-02400-8