Role of Various Parameters in the Formation of the Physicomechanical Properties of High-Entropy Alloys with BCC Lattices
- Authors: Gorban V.F.1, Krapivka N.A.1, Firstov S.A.1, Kurilenko D.V.1
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Affiliations:
- Frantsevich Institute for Problems of Materials Science
- Issue: Vol 119, No 5 (2018)
- Pages: 477-481
- Section: Structure, Phase Transformations, and Diffusion
- URL: https://journals.rcsi.science/0031-918X/article/view/167579
- DOI: https://doi.org/10.1134/S0031918X18050046
- ID: 167579
Cite item
Abstract
An analysis of simple structures of the solid-solution non-ordered high-entropy alloys (HEAs) with a bcc crystal lattice has allowed us to determine the effect of various parameters on their physicomechanical properties. It was found that, as the hardness increases, the size mismatch results in a decrease in the modulus of elasticity; however, the normalized hardness characteristic increases. It has been found that, when the enthalpy of mixing of the bcc high-entropy alloys shifts to negative values, its effect on the hardness and modulus of elasticity is nonmonotonic. A formula for calculating the modulus of elasticity of high-entropy alloys with a bcc structure has been suggested that is based on the alloy composition and role of the most refractory metallic component.
About the authors
V. F. Gorban
Frantsevich Institute for Problems of Materials Science
Author for correspondence.
Email: gorban1944@ukr.net
Ukraine, Kiev, 03680
N. A. Krapivka
Frantsevich Institute for Problems of Materials Science
Email: gorban1944@ukr.net
Ukraine, Kiev, 03680
S. A. Firstov
Frantsevich Institute for Problems of Materials Science
Email: gorban1944@ukr.net
Ukraine, Kiev, 03680
D. V. Kurilenko
Frantsevich Institute for Problems of Materials Science
Email: gorban1944@ukr.net
Ukraine, Kiev, 03680
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