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Ban’kovskaya, I. B.; Gorbatova, G. N.; Semov, M. P.

doi:10.1023/a:1023664326099

Cited by 5 publications

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“…The ZrO2 particles were randomly distributed in a glassy matrix. Glassy SiO2 has a low oxygen diffusion coefficient at 1200 °C and can reduce the rate of oxygen penetration through the coating [20][21][22][23].…”

Section: Resultsmentioning

confidence: 99%

“…In this case, there is a partial volatilization of boron and molybdenum oxides. Sequential dissolution of zirconium dioxide, aluminum oxide and silicon dioxide in liquid boron anhydride to form a single anionic matrix of the melt: Glassy SiO 2 has a low oxygen diffusion coefficient at 1200 • C and can reduce the rate of oxygen penetration through the coating [20][21][22][23].…”

Section: Resultsmentioning

confidence: 99%

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Kinetics Investigation of the Formation of a Gas-Resistant Glass-Forming Layer during the Oxidation of ZrB2-MoSi2-Y2O3-Al Coatings in the Air Atmosphere

et al. 2021

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In this article, the coatings of ZrB2-xMoSi2-Y2O3-yAl (x = 24, 35, 45 wt %; y = 10, 15, 20 wt %) were applied to the surface of a carbon/carbon composite to protect against high-temperature oxidation using a multi-chamber detonation accelerator. The kinetic analysis of the formation processes of a glass-forming layer during the oxidation of the initial components of the system ZrB2-MoSi2-Y2O3-Al in an air atmosphere at a temperature of 1400 °C was carried out and the kinetically significant stages of the heterogeneous reaction were determined. It is shown that the speed and density of the formation of a glassy matrix can be adjusted by fine-tuning the ratio of components in the initial powder.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Kinetics Investigation of the Formation of a Gas-Resistant Glass-Forming Layer during the Oxidation of ZrB2-MoSi2-Y2O3-Al Coatings in the Air Atmosphere

et al. 2021

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Nanotechnology for Encapsulating Zirconium Boride upon Formation of Heat-Resistant Coatings

et al. 2005

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Dispersion Behavior of ZrB₂ Powder in Aqueous Solution

Lee

Sakka

Kagawa

2007

Journal of the American Ceramic Society

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Dispersion conditions of ZrB 2 powder in water were investigated using poly(ethyleneimine) (PEI) as a dispersant. Pulverization of ZrB 2 powder to submicrometer size was difficult and a substantial amount of large particles remained after an intensive planatery milling for 72 h. The isoelectric point (IEP) of ZrB 2 powder was measured to be pH 5.8 by electrophoresis, which shifted to pH 6.2 after milling. The application of PEI changed the IEP of the boride slurry to BpH 11. Well-dispersed aqueous ZrB 2 slurries with a high solid loading (up to 45 vol%) were fabricated at pH 6.5-7.5 by the application of 1.5 wt% PEI.N. Jacobson-contributing editor

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Cited by 5 publications

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Kinetics Investigation of the Formation of a Gas-Resistant Glass-Forming Layer during the Oxidation of ZrB2-MoSi2-Y2O3-Al Coatings in the Air Atmosphere

Kinetics Investigation of the Formation of a Gas-Resistant Glass-Forming Layer during the Oxidation of ZrB2-MoSi2-Y2O3-Al Coatings in the Air Atmosphere

Nanotechnology for Encapsulating Zirconium Boride upon Formation of Heat-Resistant Coatings

Dispersion Behavior of ZrB₂ Powder in Aqueous Solution

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Untitled

Cited by 5 publications

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Kinetics Investigation of the Formation of a Gas-Resistant Glass-Forming Layer during the Oxidation of ZrB2-MoSi2-Y2O3-Al Coatings in the Air Atmosphere

Kinetics Investigation of the Formation of a Gas-Resistant Glass-Forming Layer during the Oxidation of ZrB2-MoSi2-Y2O3-Al Coatings in the Air Atmosphere

Nanotechnology for Encapsulating Zirconium Boride upon Formation of Heat-Resistant Coatings

Dispersion Behavior of ZrB2 Powder in Aqueous Solution

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Dispersion Behavior of ZrB₂ Powder in Aqueous Solution