Abstract
Based on thermodynamic calculations, it is shown that metal crystallization is an equilibrium nanostructural process. At the beginning, trigonal or tetragonal structure-forming nanocrystals are formed from elementary nanocrystals. Then crystallization centers are formed from them. Further, tetragonal or hexagonal dendrites are formed from them and tetragonal or trigonal structure-forming nanocrystals. Their forms depend on the degree of branching of dendrites. The most branched of them (compact dendrites) are tetragonal or hexagonal crystals.
Highlights
It is shown that metal crystallization is an equilibrium nanostructural process
Trigonal or tetragonal structure-forming nanocrystals are formed from elementary nanocrystals
Tetragonal or hexagonal dendrites are formed from them and tetragonal or trigonal structure-forming nanocrystals. Their forms depend on the degree of branching of dendrites
Summary
It is shown that metal crystallization is an equilibrium nanostructural process. The most branched of them (compact dendrites) are tetragonal or hexagonal crystals. Nanostructured crystallization, metals, thermodynamics, trigonal nanocrystals, tetragonal nanocrystals, dendrites. Yu., Stetsenko A.V. Nanostructural crystallization of metals. При кристаллизации металлов в изотермических условиях происходят изменения энтальпии, энтро‐ пии и поверхностной энергии гетерогенной системы.
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