Simultaneous Thermal Analysis of Reactions Underlying Self-Propagating High-Temperature Synthesis of Scandium Oxide Powders

被引：2
|
作者：
Permin, D. A. [1 ]
Gavrishchuk, E. M. [1 ]
Kut'in, A. M. [1 ]
Plekhovich, A. D. [1 ]
Klyusik, O. N. [1 ]
机构：
[1] Russian Acad Sci, Devyatykh Inst Chem High Pur Subst, Ul Tropinina 49, Nizhnii Novgorod 603951, Russia
来源：
INORGANIC MATERIALS | 2019年 / 55卷 / 02期
基金：
俄罗斯基础研究基金会;
关键词：
simultaneous thermal analysis; self-propagating high-temperature synthesis; scandium oxide; COMBUSTION SYNTHESIS; KINETICS;
D O I：
10.1134/S0020168519020110
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Using thermal analysis, we have studied the decomposition of self-propagating high-temperature synthesis precursors consisting of scandium nitrate (oxidant) and three types of fuel: scandium acetate, scandium acetylacetonate, and glycine. Comparison of thermogravimetry and differential scanning calorimetry data for starting reagents and reaction mixtures indicates that the initiation of chemical reactions underlying SHS is associated with the thermal destruction of the oxidant. Analysis of the obtained data in terms of a modified Sestak-Berggren method has been used to assess kinetic characteristics of interaction between reactants in the reaction systems studied.
引用
收藏
页码：149 / 154
页数：6
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