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

被引：0
|
作者：
Baikov, Yu. A. [1 ]
Petrov, N. I. [1 ]
机构：
[1] DI Mendeleev Univ Chem Technol Russia, Moscow, Russia
来源：
RUSSIAN PHYSICS JOURNAL | 2014年 / 57卷 / 05期
关键词：
transitive two-phase zone; step-growth monomers; roughness and long-order parameters; two-component metal melt; crystallization rate; BINARY MELTS; TRANSFORMATION;
D O I：
10.1007/s11182-014-0282-y
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
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.
引用
收藏
页码：598 / 614
页数：17
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