Email this article Exothermic synthesis and consolidation of single-phase ultra-high temperature composite Ta4ZrC5
- Authors: Shcherbakov V.A.1, Gryadunov A.N.1, Vadchenko S.G.1, Alymov M.I.1
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Affiliations:
- Merzhanov Institute of Structural Macrokinetics and Materials Science
- Issue: Vol 488, No 2 (2019)
- Pages: 153-156
- Section: Chemical Technology
- URL: https://journals.eco-vector.com/0869-5652/article/view/16066
- DOI: https://doi.org/10.31857/S0869-56524882153-156
- ID: 16066
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Abstract
The paper presents the experimental results of possibility obtaining ultra-high temperature composite Ta4ZrC5 using a single-stage method. The method is based on the use of exothermic synthesis of refractory compounds by electro-thermal explosion (ETE) and their consolidation under conditions of quasi-isostatic compression. The effect of mechanical activation of the reaction mixture of tantalum, zirconium and carbon powders on the formation of the phase composition of the ceramic composite Ta4ZrC5 was studied. The conditions for obtaining a single-phase ultra-high temperature composites had were determined. The composites were prepared with the average particle size of 1-2 µm and a residual porosity of 8-10%.
About the authors
V. A. Shcherbakov
Merzhanov Institute of Structural Macrokinetics and Materials Science
Author for correspondence.
Email: vladimir@ism.ac.ru
Russian Federation, 142432, Moscow Region, Chernogolovka, Academician Osypian street, 8
A. N. Gryadunov
Merzhanov Institute of Structural Macrokinetics and Materials Science
Email: vladimir@ism.ac.ru
Russian Federation, 142432, Moscow Region, Chernogolovka, Academician Osypian street, 8
S. G. Vadchenko
Merzhanov Institute of Structural Macrokinetics and Materials Science
Email: vladimir@ism.ac.ru
Russian Federation, 142432, Moscow Region, Chernogolovka, Academician Osypian street, 8
M. I. Alymov
Merzhanov Institute of Structural Macrokinetics and Materials Science
Email: vladimir@ism.ac.ru
Corresponding Member of the Russian Academy of Sciences
Russian Federation, 142432, Moscow Region, Chernogolovka, Academician Osypian street, 8References
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