Microstructural and defect behavior in functionally graded Nb/Zr nanolaminates under irradiation; Journal of Materials Research; Vol. XX

Microstructural and defect behavior in functionally graded Nb/Zr nanolaminates under irradiation; Journal of Materials Research; Vol. XX

Bibliografske podrobnosti
Parent link:	Journal of Materials Research.— .— Heidelberg: Springer Nature Vol. XX.— 2026.— Article number XX, XX p.
Drugi avtorji:	Laptev R. S. Roman Sergeevich, Krotkevich D. G. Dmitry Georgievich, Lomygin A. D. Anton Dmitrievich, Stepanova E. N. Ekaterina Nikolaevna, Murashkina T. L. Tatiana Leonidovna, Sidorin A. A. Aleksey Anatoljevich, Orlov O. S. Oleg Sergeevich, Isaev R. Sh. Rafael Shakhbaz ogly, Ibragim M. A. Makhmud Akhmed Mustafa Akhmed, Doroshkevich A. S. Alexander Sergeevich, Tereshchenko A. V. Andrey Vasiljevich, Terentjeva D. V. Darjya Vitaljevna, Ognev S. O. Sergey Olegovich, Svyatkin L. A. Leonid Aleksandrovich
Izvleček:	Title screen This study investigates the microstructural response and defect behavior of functionally graded Nb/Zr nanolaminates under proton and helium ion irradiation. Proton fluences ranged from 9.6 × 1016 to 3.5 × 1017 ions/cm2, and helium fluences from 3.4 × 1014 to 6 × 1016 ions/cm2. Transmission electron microscopy and X-ray diffraction confirm the structural stability of the nanolaminate, with no phase transformations observed. Positron annihilation spectroscopy indicates that irradiation does not lead to significant bulk defect accumulation; defect-related changes remain weak and highly localized, with helium producing slightly stronger effects than protons. First-principles calculations show that irradiation-induced atomic displacements are smaller than lattice distortions from intrinsic strain and Nb/Zr interface misfit. Helium interstitials induce stronger local relaxation than hydrogen, though both effects are secondary to interfacial strain fields. These results demonstrate that functionally graded Nb/Zr nanolaminates effectively limit defect accumulation and preserve structural integrity under ion irradiation AM_Agreement
Jezik:	angleščina
Izdano:	2026
Teme:	труды учёных ТПУ электронный ресурс Heterostructure Nb Zr Radiation effects Defects
Online dostop:	https://doi.org/10.1557/s43578-026-01822-9
Format:	Elektronski Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=686439

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