Crystallization kinetics of rapidly quenched Cu50Zr50 and Cu46Zr46A18 glass-forming alloys

被引：0
|
作者：
Kulikova, T. V. [1 ]
Ryltseva, A. A. [1 ]
Bykov, V. A. [1 ,2 ]
Estemirova, S. Kh [1 ,2 ]
Shuhyaev, K. Yu [1 ,2 ]
机构：
[1] Russian Acad Sci, Inst Met, Ural Branch, Ekaterinburg, Russia
[2] Ural Fed Univ, Ekaterinburg, Russia
来源：
XII INTERNATIONAL CONFERENCE RADIATION-THERMAL EFFECTS AND PROCESSES IN INORGANIC MATERIALS | 2017年 / 168卷
基金：
俄罗斯科学基金会;
关键词：
MECHANICAL-PROPERTIES; CU-ZR; AL; ABILITY; AG;
D O I：
10.1088/1757-899X/168/1/012036
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We studied the crystallization processes, the structure and thermal properties of amorphous alloys Cu50Zr50 and Cu(46)Zr(46)A(18) in a wide temperature range. Comparative study of the crystallization kinetics of these amorphous alloys was carried out for the first time using multivariate non-linear regression. It was found that mechanisms of the crystallization of studied metallic glasses are substantially different. The binary alloy is crystallized by branched reaction complex in four steps. For the ternary system was proposed two-step kinetic model of the crystallization process with consecutive reactions. The values of the total energy of activation for each crystallization stage reach to Cu50Zr50: E-1 (345.2 kJ/mol); E-2 (307.9 kJ/mol).
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页数：6
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