Effect of Proton Irradiation on the Defect Evolution of Zr/Nb Nanoscale Multilayers; Metals; Vol. 10, iss. 4

Effect of Proton Irradiation on the Defect Evolution of Zr/Nb Nanoscale Multilayers; Metals; Vol. 10, iss. 4

Bibliographic Details
Parent link:	Metals Vol. 10, iss. 4.— 2020.— [535, 12 p.]
Corporate Author:	Национальный исследовательский Томский политехнический университет Инженерная школа ядерных технологий Отделение экспериментальной физики
Other Authors:	Laptev R. S. Roman Sergeevich, Lomygin A. D. Anton Dmitrievich, Krotkevich D. Dmitry, Syrtanov M. S. Maksim Sergeevich, Kashkarov E. B. Egor Borisovich, Bordulev Yu. S. Yuri Sergeevich, Siemek K. Krzysztof, Kobets A. G. Andrey Gennadjevich
Summary:	Title screen Nanoscale multilayer coatings (NMCs) with different crystal structures are considered as capable of self-healing after radiation damage due to the recombination of vacancies and interstitials. This work is focused on a defect distribution study of NMCs based on Zr/Nb layers (25/25 nm and 100/100 nm) after proton irradiation. Coatings with a total thickness of 1.05 ± 0.05 µm were irradiated by 900-keV protons using a pelletron-type electrostatic accelerator with an ion current of 2 µA for durations of 60 min to 120 min. The influence of the irradiation effect was studied by X-ray diffraction analysis (XRD), glow discharge optical emission spectrometry (GD–OES), and Doppler broadening spectroscopy using a variable energy positron beam. The results obtained by these methods are compatible and indicate that defect concentration of Zr/Nb NMCs remains unchanged or slightly decreases with increasing irradiation time.
Language:	English
Published:	2020
Subjects:	электронный ресурс труды учёных ТПУ nanoscale multilayer coating Zr/Nb proton irradiation positron annihilation spectroscopy XRD GD-OES microstructure defects многослойные покрытия протонные излучения спектроскопия микроструктура дефекты
Online Access:	http://earchive.tpu.ru/handle/11683/64870 https://doi.org/10.3390/met10040535
Format:	Electronic Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=662149

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