Possibility of obtaining refractory high-entropy AlTiZrVNb alloys from metal oxides
Тип публикации: Journal Article
Дата публикации: 2023-04-01
scimago Q3
БС2
SJR: 0.305
CiteScore: 2.8
Impact factor: —
ISSN: 10665285, 15739171
General Chemistry
Краткое описание
We consider a new method for the preparation of refractory high-entropy alloys (HEAs) AlTiZrVNb, which consists in the joint aluminothermic reduction of metals from their oxides. It was determined that V and Nb undergo reduction to a greater extent, and about 90% of their amounts transfer into the metal phase. Metals Ti and Zr undergo reduction to a lesser extent, with 76 and 50% of their amounts transitioning into the metal phase, respectively. The obtained alloy has a multiphase structure consisting of C14 Laves phases, Zr5Al3-type phases, and a B2-type ordered phase, which plays the role of a matrix. The microhardness of the alloy is 6.37 GPa, which is similar to the values of refractory HEAs. The structure of the obtained alloy has a similar structure throughout its bulk, namely, coarse-grained with a number of pores, partly filled with non-metallic inclusions of aluminum oxide.
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Journal of Alloys and Compounds
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Russian Chemical Bulletin
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Russian Chemical Reviews
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Russian Metallurgy (Metally)
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Zhilina E. M. et al. Possibility of obtaining refractory high-entropy AlTiZrVNb alloys from metal oxides // Russian Chemical Bulletin. 2023. Vol. 72. No. 4. pp. 895-901.
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Zhilina E. M., Russkih A. S., Osinkina T. V., Ignatieva E. V., Petrova S. A., Krasikov S. A., Dolmatov A. V., Rempel' A. A. Possibility of obtaining refractory high-entropy AlTiZrVNb alloys from metal oxides // Russian Chemical Bulletin. 2023. Vol. 72. No. 4. pp. 895-901.
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TY - JOUR
DO - 10.1007/s11172-023-3852-7
UR - https://doi.org/10.1007/s11172-023-3852-7
TI - Possibility of obtaining refractory high-entropy AlTiZrVNb alloys from metal oxides
T2 - Russian Chemical Bulletin
AU - Zhilina, E M
AU - Russkih, A S
AU - Osinkina, T V
AU - Ignatieva, E V
AU - Petrova, S. A.
AU - Krasikov, S A
AU - Dolmatov, A V
AU - Rempel', A A
PY - 2023
DA - 2023/04/01
PB - Springer Nature
SP - 895-901
IS - 4
VL - 72
SN - 1066-5285
SN - 1573-9171
ER -
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@article{2023_Zhilina,
author = {E M Zhilina and A S Russkih and T V Osinkina and E V Ignatieva and S. A. Petrova and S A Krasikov and A V Dolmatov and A A Rempel'},
title = {Possibility of obtaining refractory high-entropy AlTiZrVNb alloys from metal oxides},
journal = {Russian Chemical Bulletin},
year = {2023},
volume = {72},
publisher = {Springer Nature},
month = {apr},
url = {https://doi.org/10.1007/s11172-023-3852-7},
number = {4},
pages = {895--901},
doi = {10.1007/s11172-023-3852-7}
}
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Zhilina, E. M., et al. “Possibility of obtaining refractory high-entropy AlTiZrVNb alloys from metal oxides.” Russian Chemical Bulletin, vol. 72, no. 4, Apr. 2023, pp. 895-901. https://doi.org/10.1007/s11172-023-3852-7.
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