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Ultra-Refractory Hf4ZrC5–(Hf,Zr)B2 Composites by Electrothermal Explosion under Pressure

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Abstract

Ultra-refractory Hf4ZrC5–(Hf,Zr)B2 composites were prepared by electrothermal explosion (ETE) under pressure in a one-stage process, with special emphasis on the influence of high-energy ball milling (HEBM) of starting Hf–Zr–C–B powder mixtures. Synthesized Hf4ZrC5–(Hf,Zr)B2 composites had a grain size of 0.5–1.0 μm and a porosity of 10–12%.

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ACKNOWLEDGMENTS

This work was performed using the set of modern scientific instruments available for multiple accesses at the ISMAN Center of Shared Services.

Funding

This work was financially supported by the Russian Foundation for Basic Research (project no. 19-08-01085-a).

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Authors and Affiliations

  1. Merzhanov Institute of Structural Macrokinetics and Materials Science (ISMAN), Russian Academy of Sciences, 142432, Chernogolovka, Russia

    V. A. Shcherbakov, A. N. Gryadunov & M. I. Alymov

Authors
  1. V. A. Shcherbakov
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  2. A. N. Gryadunov
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  3. M. I. Alymov
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Correspondence to V. A. Shcherbakov or A. N. Gryadunov.

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Translated by Yu. Scheck

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Shcherbakov, V.A., Gryadunov, A.N. & Alymov, M.I. Ultra-Refractory Hf4ZrC5–(Hf,Zr)B2 Composites by Electrothermal Explosion under Pressure. Int. J Self-Propag. High-Temp. Synth. 30, 36–39 (2021). https://doi.org/10.3103/S1061386221010118

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