Special Features of disordering in Crystallization of Two-Component Metal Melts in the Model of Two-Phase Transitive Zone

The special features of the crystallization processes of 50% two-component metal melts in the model of transitive two-phase zone (TTZ) whose structure is described by the system of stationary kinetic transcendental equations are investigated. The influence of the TTZ structure and crystallization te...

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Bibliographic Details
Published in:Russian physics journal 2014-09, Vol.57 (5), p.598-614
Main Authors: Baikov, Yu. A., Petrov, N. I.
Format: Article
Language:English
Subjects:
Analysis
Condensed Matter Physics
Hadrons
Heavy Ions
Lasers
Mathematical and Computational Physics
Monomolecular films
Nuclear Physics
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Polymerization
Theoretical
Thermodynamics
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Summary:The special features of the crystallization processes of 50% two-component metal melts in the model of transitive two-phase zone (TTZ) whose structure is described by the system of stationary kinetic transcendental equations are investigated. The influence of the TTZ structure and crystallization temperature of the system two-component metal melt – crystal on the frequencies of joining of step-growth monomers to TTZ monolayers is considered. It is demonstrated that in this case, the disordering process of two-component crystals at temperatures smaller than the Curie temperature follows the Bragg–Williams thermodynamic transition. It is noted that at the point of the two-component crystal disordering, the average crystallization rate has a singularity in the form of a finite jump whose value is proportional to the squared long-order parameter.
ISSN:1064-8887
1573-9228
DOI:10.1007/s11182-014-0282-y