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01-06-2024 | STRUCTURE, PHASE TRANSFORMATIONS, AND DIFFUSION

Surface Modification of Zr–Nb Alloy by Nanosecond Pulse Laser Processing

Authors: A. N. Petrova, I. G. Brodova, V. V. Astafiev, D. Yu. Rasposienko, A. O. Kuryshev, A. N. Balakhnin, S. V. Uvarov, O. B. Naimark

Published in: Physics of Metals and Metallography | Issue 6/2024

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Abstract

The effect of nanosecond pulse laser processing of the Zr–1% Nb alloy surface of specimens in the annealed state and after their two-stage deformation treatment by abc-pressing and rolling has been investigated. The morphology of the modified surface of specimens is described using optical and scanning microscopy. Furthermore, the microrelief formed as a result of vaporization and melting of a thin layer of material subjected to laser processing is evaluated quantitatively. Durometric measurements were conducted to ascertain the hardness of the near-surface layer and the impact of laser-induced shock waves on its hardness. The electron backscattering diffraction (EBSD) analysis data were employed to describe the structure of the specimens in the near-surface layer. The influence of the initial grain size on the quality of the modified surface, as well as on the depth and hardening of the near-surface layers has been established.

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Literature
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Metadata
Title
Surface Modification of Zr–Nb Alloy by Nanosecond Pulse Laser Processing
Authors
A. N. Petrova
I. G. Brodova
V. V. Astafiev
D. Yu. Rasposienko
A. O. Kuryshev
A. N. Balakhnin
S. V. Uvarov
O. B. Naimark
Publication date
01-06-2024
Publisher
Pleiades Publishing
Published in
Physics of Metals and Metallography / Issue 6/2024
Print ISSN: 0031-918X
Electronic ISSN: 1555-6190
DOI
https://doi.org/10.1134/S0031918X24600398