Calcium Vapor Reduction of Niobium Oxide Compounds

IF 0.9 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Inorganic Materials Pub Date : 2024-03-11 DOI:10.1134/S0020168523110079

M. V. Kryzhanov, V. M. Orlov

引用次数: 0

Abstract

Calcium vapor reduction of niobium oxide compounds has been studied at temperatures from 1023 to 1123 K. The adiabatic temperature of calcium reduction of niobium pentoxide (3020 K) and the Mg₄Nb₂O₉ niobate (2525 K) has been determined by thermodynamic modeling with the TERRA software suite. We have assessed the effects of process temperature, reduction time, and precursor powder particle size on the degree of reduction, specific surface area, and pore structure of the niobium powders.

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钙蒸汽还原氧化铌化合物

通过使用 TERRA 软件套件进行热力学建模，确定了五氧化二铌（3020 K）和 Mg4Nb2O9 铌酸盐（2525 K）的钙还原绝热温度。我们评估了工艺温度、还原时间和前驱体粉末粒度对铌粉还原度、比表面积和孔隙结构的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Inorganic Materials 工程技术-材料科学：综合

CiteScore

1.40

自引率

25.00%

发文量

审稿时长

3-6 weeks

期刊介绍： Inorganic Materials is a journal that publishes reviews and original articles devoted to chemistry, physics, and applications of various inorganic materials including high-purity substances and materials. The journal discusses phase equilibria, including P–T–X diagrams, and the fundamentals of inorganic materials science, which determines preparatory conditions for compounds of various compositions with specified deviations from stoichiometry. Inorganic Materials is a multidisciplinary journal covering all classes of inorganic materials. The journal welcomes manuscripts from all countries in the English or Russian language.