Special features of preparation of nanosized zirconium diboride powders of various dispersity
- Autores: Burlakova A.1, Kravchenko S.1, Domashnev I.1, Vinokurov A.1, Nadkhina S.1, Volkova L.1, Shilkin S.1
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Afiliações:
- Institute of Problems of Chemical Physics
- Edição: Volume 87, Nº 5 (2017)
- Páginas: 906-911
- Seção: Article
- URL: https://journals.rcsi.science/1070-3632/article/view/219651
- DOI: https://doi.org/10.1134/S1070363217050024
- ID: 219651
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Resumo
Products of the zirconium powder reaction with amorphous boron in a Na2B4O7 ionic melt at 650–850°C and those of the ZrCl4 reaction with NaBH4 at 300–725°C have been studied by means of X-ray diffraction, scanning electron microscopy, X-ray photoelectron spectroscopy, thermogravimetry, and elemental analysis. At temperature ≥750°C, single-phase ZrB2 with the particle size of 60–80 nm is formed in a Na2B4O7 ionic melt, whereas the ZrB2 powder obtained via the reaction of ZrCl4 with NaBH4 at temperature ≥575°C consists of particles differing in the shape, some of which are close to spherical with diameter of 10–35 nm.
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Sobre autores
A. Burlakova
Institute of Problems of Chemical Physics
Email: ssp@icp.ac.ru
Rússia, pr. N. N. Semenova 1, Chernogolovka, 142432
S. Kravchenko
Institute of Problems of Chemical Physics
Email: ssp@icp.ac.ru
Rússia, pr. N. N. Semenova 1, Chernogolovka, 142432
I. Domashnev
Institute of Problems of Chemical Physics
Email: ssp@icp.ac.ru
Rússia, pr. N. N. Semenova 1, Chernogolovka, 142432
A. Vinokurov
Institute of Problems of Chemical Physics
Email: ssp@icp.ac.ru
Rússia, pr. N. N. Semenova 1, Chernogolovka, 142432
S. Nadkhina
Institute of Problems of Chemical Physics
Email: ssp@icp.ac.ru
Rússia, pr. N. N. Semenova 1, Chernogolovka, 142432
L. Volkova
Institute of Problems of Chemical Physics
Email: ssp@icp.ac.ru
Rússia, pr. N. N. Semenova 1, Chernogolovka, 142432
S. Shilkin
Institute of Problems of Chemical Physics
Autor responsável pela correspondência
Email: ssp@icp.ac.ru
Rússia, pr. N. N. Semenova 1, Chernogolovka, 142432