Effect of Ta2O5 Precursor Morphology on Characteristics of Magnesiothermic Tantalum Powders

— We examine the effect of the morphology of tantalum pentoxide on the properties of tantalum powders prepared by reducing the oxide with magnesium vapor. The morphology of tantalum pentoxide used as a precursor is shown to influence the particle size composition and morphology of the synthesized ta...

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Bibliographic Details
Published in:Inorganic materials 2021-03, Vol.57 (3), p.255-261
Main Authors: Orlov, V. M., Prokhorova, T. Yu, Belyaevskii, A. T.
Format: Article
Language:English
Subjects:
Capacitors
Chemistry
Chemistry and Materials Science
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Magnesium
Materials Science
Morphology
Precursors
Tantalum
Tantalum oxides
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Summary:— We examine the effect of the morphology of tantalum pentoxide on the properties of tantalum powders prepared by reducing the oxide with magnesium vapor. The morphology of tantalum pentoxide used as a precursor is shown to influence the particle size composition and morphology of the synthesized tantalum powders and the capacitor anodes produced from them. Magnesiothermic tantalum powders are obtained that ensure a specific charge of capacitors at a level from 120 000 to 150 000 μC/g.
ISSN:0020-1685
1608-3172
DOI:10.1134/S0020168521030122