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Ultra-High-Temperature Composite Hf4ZrC5 Produced by Electrothermal Explosion under Pressure

Ultra-High-Temperature Composite Hf4ZrC5 Produced by Electrothermal Explosion under Pressure The production of the ultra-high-temperature composite Hf4ZrC5 by a single-stage method of electrothermal explosion under pressure was experimentally investigated. The effect of mechanical activation on the characteristics of the reaction powder mixture and the formation of the phase composition of the ceramic composite Hf4ZrC5 was studied. The preliminary mechanical activation of a mixture of Hf, Zr, and C powders in hexane enabled one to obtain the ultra-high-temperature composite Hf4ZrC5 with a particle size of less than 1 µm and a residual porosity of 10‒12%. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Doklady Chemistry Springer Journals

Ultra-High-Temperature Composite Hf4ZrC5 Produced by Electrothermal Explosion under Pressure

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References (10)

Publisher
Springer Journals
Copyright
Copyright © Pleiades Publishing, Ltd. 2021. ISSN 0012-5008, Doklady Chemistry, 2021, Vol. 496, Part 2, pp. 38–41. © Pleiades Publishing, Ltd., 2021. Russian Text © The Author(s), 2021, published in Doklady Rossiiskoi Akademii Nauk. Khimiya, Nauki o Materialakh, 2021, Vol. 496, pp. 44–47.
ISSN
0012-5008
eISSN
1608-3113
DOI
10.1134/s0012500821020026
Publisher site
See Article on Publisher Site

Abstract

The production of the ultra-high-temperature composite Hf4ZrC5 by a single-stage method of electrothermal explosion under pressure was experimentally investigated. The effect of mechanical activation on the characteristics of the reaction powder mixture and the formation of the phase composition of the ceramic composite Hf4ZrC5 was studied. The preliminary mechanical activation of a mixture of Hf, Zr, and C powders in hexane enabled one to obtain the ultra-high-temperature composite Hf4ZrC5 with a particle size of less than 1 µm and a residual porosity of 10‒12%.

Journal

Doklady ChemistrySpringer Journals

Published: Apr 10, 2021

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