CHARACTERISTICS OF DEFECTS AND ENTROPY OF MIXING IN HIGH-ENTROPY ALLOYS OF THE FeNiCrCoCu SYSTEM

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Abstract

Classical molecular dynamics simulation for a number of single crystals ofFeNiCrCoCu system showed that with increasing entropy of mixing the average formation enthalpy of interstitial defects and their shear susceptibility decreases monotonically. For interstitial defects in crystals and defect subsystems of glasses of the same composition, has been established that the average deviator components of dipole tensors decrease with increasing entropy of mixing, and the decrease occurs more strongly in the high-entropy region. All this may indicate the presence of a correlation between mixing entropy and properties of the defect subsystem of crystalline and glassy states.

About the authors

R. A. Konchakov

Department of General Physics, Voronezh State Pedagogical University

Email: konchakov.roman@gmail.com
Russian Federation, 394043, Voronezh

A. S. Makarov

Department of General Physics, Voronezh State Pedagogical University

Email: konchakov.roman@gmail.com
Russian Federation, 394043, Voronezh

N. P. Kobelev

Institute of Solid State Physics, Russian Academy of Sciences

Email: konchakov.roman@gmail.com
Russian Federation, 142432, Chernogolovka, Moscow region

V. A. Khonik

Department of General Physics, Voronezh State Pedagogical University

Author for correspondence.
Email: konchakov.roman@gmail.com
Russian Federation, Voronezh

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