The Influence of Different Factors on Physicomechanical Properties of High Entropy Alloys with fcc Lattice

The influence of electron concentration, mixing enthalpy, and dimensional mismatch on the lattice parameter, elastic modulus, and normalized hardness of fcc high-entropy alloys (HEA) is studied. The lattice parameter, which determines the elastic modulus of HEA, is influenced by both the electron co...

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Bibliographic Details
Published in:Materials science (New York, N.Y.) N.Y.), 2023-09, Vol.59 (2), p.145-151
Main Authors: Gorban, V. F., Firstov, S. A., Krapivka, M. O.
Format: Article
Language:English
Subjects:
Alloys
Characterization and Evaluation of Materials
Chemistry and Materials Science
Enthalpy
Hardness
High entropy alloys
Independent regulatory commissions
Materials Science
Mathematical analysis
Modulus of elasticity
Parameters
Solid Mechanics
Specialty metals industry
Structural Materials
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Summary:The influence of electron concentration, mixing enthalpy, and dimensional mismatch on the lattice parameter, elastic modulus, and normalized hardness of fcc high-entropy alloys (HEA) is studied. The lattice parameter, which determines the elastic modulus of HEA, is influenced by both the electron concentration and the mixing enthalpy. A rectilinear dependence of the normalized hardness of these alloys on the dimensional discrepancy is established. Formulas for calculating the hardness and the elastic modulus for hard-soluble HEA with fcc lattice are proposed.
ISSN:1068-820X
1573-885X
DOI:10.1007/s11003-024-00755-0