Reactions of niobium silicide melt with refractory ceramics
- Authors: Kablov E.N.1, Folomeikin Y.I.1, Stolyarova V.L.2, Lopatin S.I.2
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Affiliations:
- Russian Research Institute of Aviation Materials
- St. Petetrsburg State University
- Issue: Vol 86, No 9 (2016)
- Pages: 2105-2108
- Section: Article
- URL: https://journals.rcsi.science/1070-3632/article/view/216201
- DOI: https://doi.org/10.1134/S1070363216090218
- ID: 216201
Cite item
Abstract
Vaporization of a multicomponent Nb‒Si-based melt with ceramic materials containing yttrium, zirconium, hafnium, and gadolinium oxides is studied. The high-temperature reactions of the alloy and ceramics at 1795‒2510 K involve reduction of yttrium, zirconium, hafnium, and gadolinium oxides, accompanied by an increase in the partial pressures of GdO, YO, ZrO, and HfO compared with the partial pressures of the same oxides over individual ceramic samples. Ceramics oxidized titanium, silicon, aluminum, and niobium to oxides.
About the authors
E. N. Kablov
Russian Research Institute of Aviation Materials
Email: sergeylopatin2009@yandex.ru
Russian Federation, Moscow
Yu. I. Folomeikin
Russian Research Institute of Aviation Materials
Email: sergeylopatin2009@yandex.ru
Russian Federation, Moscow
V. L. Stolyarova
St. Petetrsburg State University
Email: sergeylopatin2009@yandex.ru
Russian Federation, Universitetskii pr. 26, St. Petersburg, 198504
S. I. Lopatin
St. Petetrsburg State University
Author for correspondence.
Email: sergeylopatin2009@yandex.ru
Russian Federation, Universitetskii pr. 26, St. Petersburg, 198504