DETERMINATION OF KINETIC-PARAMETERS OF CRYSTALLIZATION AND STUDY OF GLASS FORMING ABILITY FOR ALLOYS IN THE GE-AS-TE AMORPHOUS SYSTEM

被引：30
|
作者：
LIGERO, RA
VAZQUEZ, J
VILLARES, P
JIMENEZGARAY, R
机构：
[1] Univ de Cadiz, Spain
来源：
MATERIALS LETTERS | 1989年 / 8卷 / 1-2期
关键词：
Calorimetry - Crystallization--Mathematical Models;
D O I：
10.1016/0167-577X(89)90086-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A mathematical method which makes it possible to calculate the kinetic parameters of crystallization, activation energy, E, reaction order, n, and frequency factor, K0, was developed. The procedure was applied to chalcogenide glasses Ge0.05As$4-0.20$/Te0.75, Ge0.10As0.20Te0.70 and Ge0.14As0.43Te0.43, confirming the validity of the method. A criterion is discussed for analyzing the glass forming ability of these alloys from the thermal events observed on heating the glasses. It is evaluated in terms of the reaction rate constant of each alloy.
引用
收藏
页码：6 / 11
页数：6
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