Low-Temperature Synthesis of Zirconium Carbonitrode via the Reduction of Zirconia with Magnesium in the Presence of Sodium Carbonate in a Nitrogen Atmosphere

被引：0
作者：
Shishkin, R. A. [1 ]
Kudyakova, V. S. [1 ]
机构：
[1] Ural Fed Univ, Inst Phys & Technol, Ekaterinburg 620078, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2019年 / 93卷 / 08期
关键词：
co-reduction; mechanism; zirconium carbonitride; zirconium nitride; sodium carbonate; low-temperature synthesis; SOLID-STATE REACTION; GUANIDINATE COMPLEXES; CARBIDE; PYROLYSIS; ROUTE;
D O I：
10.1134/S0036024419080272
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Physicochemical transformations that occur during the low-temperature synthesis of zirconium carbonitride via the reduction of zirconia with magnesium in the presence of sodium carbonate in a nitrogen atmosphere are studied. Both reactions leading to the formation of Zr2CN and side processes occurring in the charge are studied by means of differential scanning calorimetry. Based in the results, it is concluded that zirconium carbonitride can be synthesized in the temperature range of 600-675 degrees C. It is shown that using graphite does not lead to the formation of zirconium carbide or zirconium carbonitride in the investigated range of temperatures, while the use of urea has hardly any effect on the final product.
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页码：1455 / 1459
页数：5
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