Ultrahigh-Temperature Ceramic Based on ZrB2–SiC: Preparation and Main Properties
- Authors: Sokolov P.S.1, Arakcheev A.V.1, Mikhal’chik I.L.1, Plyasunkova L.A.1, Tkachev A.V.1, Anuchin S.A.1, Kordo M.N.1, Lanin A.V.1, Zabezhailov A.O.1, Kelina I.Y.1, Rusin M.Y.1
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Affiliations:
- AO ONPP A. G. Romashin Tekhnologiya
- Issue: Vol 58, No 1 (2017)
- Pages: 46-52
- Section: Article
- URL: https://journals.rcsi.science/1083-4877/article/view/248727
- DOI: https://doi.org/10.1007/s11148-017-0052-9
- ID: 248727
Cite item
Abstract
Hot pressing of commercially available powders is used to prepare dense ceramic based on ZrB2 –SiC with different additives (Si3N4, TiSi2, ZrSi2, MoSi2). The main physicomechanical properties are measured in macro-specimens: ultimate strength in static three-point bending at room temperature 400 – 600 MPa, Vickers microhardness up to 15 GPa, and critical stress intensity factor up to 5.9 MPa·m1/2. Average LTEC, thermal diffusivity, thermal conductivity, and oxidation resistance over a wide temperature range are determined. Altogether the ceramic properties obtained are at the level of published indices.
About the authors
P. S. Sokolov
AO ONPP A. G. Romashin Tekhnologiya
Author for correspondence.
Email: sokolov-petr@yandex.ru
Russian Federation, Obnisk, Kaluga Region
A. V. Arakcheev
AO ONPP A. G. Romashin Tekhnologiya
Email: sokolov-petr@yandex.ru
Russian Federation, Obnisk, Kaluga Region
I. L. Mikhal’chik
AO ONPP A. G. Romashin Tekhnologiya
Email: sokolov-petr@yandex.ru
Russian Federation, Obnisk, Kaluga Region
L. A. Plyasunkova
AO ONPP A. G. Romashin Tekhnologiya
Email: sokolov-petr@yandex.ru
Russian Federation, Obnisk, Kaluga Region
A. V. Tkachev
AO ONPP A. G. Romashin Tekhnologiya
Email: sokolov-petr@yandex.ru
Russian Federation, Obnisk, Kaluga Region
S. A. Anuchin
AO ONPP A. G. Romashin Tekhnologiya
Email: sokolov-petr@yandex.ru
Russian Federation, Obnisk, Kaluga Region
M. N. Kordo
AO ONPP A. G. Romashin Tekhnologiya
Email: sokolov-petr@yandex.ru
Russian Federation, Obnisk, Kaluga Region
A. V. Lanin
AO ONPP A. G. Romashin Tekhnologiya
Email: sokolov-petr@yandex.ru
Russian Federation, Obnisk, Kaluga Region
A. O. Zabezhailov
AO ONPP A. G. Romashin Tekhnologiya
Email: sokolov-petr@yandex.ru
Russian Federation, Obnisk, Kaluga Region
I. Yu. Kelina
AO ONPP A. G. Romashin Tekhnologiya
Email: sokolov-petr@yandex.ru
Russian Federation, Obnisk, Kaluga Region
M. Yu. Rusin
AO ONPP A. G. Romashin Tekhnologiya
Email: sokolov-petr@yandex.ru
Russian Federation, Obnisk, Kaluga Region