MANIFESTATION OF FOUR BASIC FEATURES OF HIGH-ENTROPY MATERIALS UNDER EXPOSURE TO RADIATION
Keywords:
High-entropy materials, radiation damage, Coulomb explosion, ion track, electron-ion relaxation.Abstract
The article discusses the manifestations of key properties of high entropy materials ( High Entropy The study examines the effects of high-energy multiply charged particles (HEM) on the radiation hardness of high-energy metals ( HEMs). Four fundamental HEM characteristics—elastic lattice deformation, cocktail effect, slow diffusion, and thermodynamic stabilization—and their influence on the formation of radiation damage are analyzed. A physical model of the initial stage of ion track formation is proposed, taking into account the nonequilibrium dynamics of electrons and ions, the underlying Coulomb explosion mechanism, and the probability of its occurrence. It is shown that HEM properties can both enhance primary radiation damage and influence its subsequent relaxation processes, including radiation-induced self-annealing. This study emphasizes the need for a comprehensive study of the radiation hardness of HEMs, taking into account their unique properties.
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