Effect of Proton Irradiation on Zr/Nb Nanoscale Multilayer Structure and Properties; Metals; Vol. 13, iss. 5

Effect of Proton Irradiation on Zr/Nb Nanoscale Multilayer Structure and Properties

Bibliographic Details
Parent link:	Metals Vol. 13, iss. 5.— 2023.— [903, 12 p.]
Corporate Author:	Национальный исследовательский Томский политехнический университет Инженерная школа ядерных технологий Отделение экспериментальной физики
Other Authors:	Laptev R. S. Roman Sergeevich, Krotkevich D. G. Dmitry Georgievich, Lomygin A. D. Anton Dmitrievich, Stepanova E. N. Ekaterina Nikolaevna, Pushilina N. S. Natalia Sergeevna, Doroshkevich A. S. Alexander Sergeevich, Sidorin A. A. Aleksey Anatoljevich, Orlov O. V. Oleg Vladimirovich, Uglov V. V. Vladimir Vasiljevich
Summary:	Title screen The effect of proton irradiation on the structure, phase composition, defect state and nanohardness of Zr/Nb nanoscale multilayer coatings was investigated. Preservation of the Zr/Nb layered structure with 50 and 100 nm thick layers, was observed after irradiation with protons at 1720 keV energy and 3.4 ? 1015, 8.6 ? 1015 and 3.4 ? 1016 ions/cm2 fluences, and the interfaces remained incoherent. In the Zr/Nb nanoscale multilayer coatings with individual layer thicknesses of 10 and 25 nm, there were insignificant fluctuations in interplanar distance, which were influenced by changes in irradiation fluence, and the interfaces were partially destroyed and became semicoherent. Changing irradiation fluence in the investigated ranges led to a decrease in the nanohardness of the Zr/Nb nanoscale multilayer coatings with individual layer thicknesses of 10–50 nm. Variable-energy positron Doppler broadening analysis revealed that these changes are primarily caused by peculiarities of the localization and accumulation of the embedded ions and do not cause a significant increase in the S-parameters of Zr/Nb nanoscale multilayer coatings with a layer thickness less than 100 nm.
Language:	English
Published:	2023
Subjects:	электронный ресурс труды учёных ТПУ nanoscale multilayer coatings proton irradiation microstructure positron annihilation radiation defects nanohardness наноразмерные многослойные покрытия протонное облучение микроструктура аннигиляция позитронов радиационные дефекты нанотвердость
Online Access:	http://earchive.tpu.ru/handle/11683/132554 https://doi.org/10.3390/met13050903
Format:	Electronic Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=669608

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