The influence of BaO–Al2O3–SiO2-glasses addition on reaction-cured coatings properties for nickel alloys protection

Solntsev St.S., Denisova V.S., Agarkov A.B., Gavrilov S.V.
UDC
629.7.023.224
DOI
10.18577/2307-6046-2018-0-1-11-11
Article PDF (Russian) (658.36 KB)
How to cite
Solntsev St.S., Denisova V.S., Agarkov A.B., Gavrilov S.V. The influence of BaO–Al2O3–SiO2-glasses addition on reaction-cured coatings properties for nickel alloys protection // Proceedings of VIAM. 2018. No. 1. DOI: 10.18577/2307-6046-2018-0-1-11-11. URL: https://test.viam.ru/en/journal/2018/1/11
Keywords
heat-resisant coatings, nickel alloys, glass, barium-aluminium-silicate system, silicon tetraboride, slurry.
Abstract

The results of heat-resisant coatings containing the additives of refractory glasses in BaO–Al2O3–SiO2 system are explained. The optimal technological parameters of refractory glasses are estimated, and that was found that the additive of 25% BaO–25% Al2O3–50% SiO2 provides the increase of heat resistance and thermal stability. The compositions of reaction cured coatings provide solid gas-proof non-defective coatings designed to heat-resistant nickel alloys protection at temperatures up to 1250°C.

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