Thermal protection of aircraft at extremely high temperatures

Keywords

rocket and space technology, ultra-high-temperature ceramics, heat-resistant coating, vacuum-arc spraying.

Cite as

Husarova I. O., Grigoriev O. M., Vedel D. V., Kraiev M. V., Manko T. A., Kozis K. V., and Osinovyy G. G. Thermal protection of aircraft at extremely high temperatures. Physicochemical Mechanics of Materials. 2026. 62(2), 084-090.

https://doi.org/10.15407/pcmm2026.02.084

Abstract

А comparative analysis of heat-shielding coatings of rocket and space technology is carried out, and the prospects for the use of ultrahigh-temperature ceramics as heat-resis­tant coatings for elements of hypersonic aircraft, in particular, nose сone and wing edges, are considered. A coating based on the ZrB₂–MoSi₂ ceramic system was obtained by vacuum-arc deposition on a carbon substrate. It is shown that the formed coating has a homogeneous structure, low oxygen content (< 2 mass%), and satis­factory adhesion to the substrate, which is associated with close coefficients of thermal expansion of the compo­nents. The technology of vacuum ion-plasma spraying of ZrB₂–MoSi₂ coatings is promi­sing for increasing the temperature resistance of carbon structures under conditions of short-term thermal load in an oxidizing environment at extremely high temperatures.

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