Evolution of the Al85Ni5Fe7La3 Amorphous Alloy Structure under Flash Lamp Annealing
- Authors: Kolobylina N.N.1, Todorova E.V.2, Bakhteeva N.D.2, Vasiliev A.L.1,3,4, Kannykin S.V.5
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Affiliations:
- National Research Center Kurchatov Institute
- Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
- Shubnikov Institute of Crystallography of FSRC “Crystallography and Photonics” RAS
- Moscow Institute of Physics and Technology (State University), MIPT
- Voronezh State University
- Issue: Vol 10, No 2 (2019)
- Pages: 260-270
- Section: Physicochemical Principles of Creating Materials and Technologies
- URL: https://journals.rcsi.science/2075-1133/article/view/207846
- DOI: https://doi.org/10.1134/S2075113319020035
- ID: 207846
Cite item
Abstract
The microstructure of Al85Ni5Fe7La3 amorphous alloy after high-speed quenching, isothermal annealing, and flash lamp annealing (FLA) was studied by electron microscopy (including the high-resolution transmission electron microscopy), electron and X-ray diffraction, energy-dispersive X-ray microanalysis, and differential scanning calorimetry. A comparative analysis of the structures with respect to phase composition and phase morphology was performed. It was shown that, after the quenching, an X-ray amorphous structure is formed in the alloy. Critical parameters of heat treatment of the amorphous alloy which lead to single-phase or multiphase crystallization and volumetric or gradient structure were determined. The phase composition of the nanocomposite formed during crystallization was determined. The identity of the emerging structures with respect to the phase composition and phase morphology was determined for certain parameters of isothermal and flash lamp annealing to which close values of microhardness significantly exceeding the hardness of the alloy in the amorphous state correspond.
About the authors
N. N. Kolobylina
National Research Center Kurchatov Institute
Author for correspondence.
Email: kolobylinaluxurious92@gmail.com
Russian Federation, Moscow, 123182
E. V. Todorova
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Author for correspondence.
Email: elena.panfilova10@yandex.ru
Russian Federation, Moscow, 119334
N. D. Bakhteeva
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Author for correspondence.
Email: nbach@imet.ac.ru
Russian Federation, Moscow, 119334
A. L. Vasiliev
National Research Center Kurchatov Institute; Shubnikov Institute of Crystallography of FSRC “Crystallography and Photonics” RAS; Moscow Institute of Physics and Technology (State University), MIPT
Author for correspondence.
Email: a.vasiliev56@gmail.com
Russian Federation, Moscow, 123182; Leninsky pr, 59, Moscow, 119333; Dolgoprudny, Moscow oblast, 141701
S. V. Kannykin
Voronezh State University
Author for correspondence.
Email: svkannykin@gmail.com
Russian Federation, Voronezh, 394018