1 Background.
The aerospace industry has very strict requirements for materials, because the working environment in this field is often extremely harsh, such as high temperature, high pressure, high speed, etc. Therefore, the application of high-temperature resistant ceramic coatings in the aerospace field is particularly important.
2 Characteristics of high-temperature resistant ceramic coatings.
High-temperature resistant ceramic coatings have excellent high-temperature resistance, high hardness, high wear resistance, oxidation resistance, corrosion resistance and other characteristics. These properties allow ceramic coatings to remain stable at high temperatures and are not prone to deformation, cracking or peeling.
3 Application of high-temperature resistant ceramic coatings in aerospace.
In the aerospace sector, high-temperature ceramic coatings are mainly used to protect the surfaces of aircraft such as aircraft and rockets. When these aircraft are flying at high speeds, the surface is subjected to high-temperature air currents and air resistance, resulting in extremely high temperatures. The high-temperature resistant ceramic coating can effectively reduce the temperature of the surface of the aircraft, reduce thermal radiation, and improve the thermal protection performance of the aircraft. Such as rare earth ceramic coating with temperature resistance of 3000 degrees, anti-oxidation coating with temperature resistance of 2300 degrees, ceramic insulation coating with temperature resistance of 1800 degrees and so on.
In addition, high-temperature resistant ceramic coatings also have excellent corrosion resistance, which can effectively prevent corrosion and oxidation of aircraft in extreme environments. This not only prolongs the service life of the aircraft, but also reduces the cost of maintenance.
4 Summary.
The application of high-temperature resistant ceramic coatings in the aerospace field is of great significance. It can not only improve the thermal protection performance of the aircraft, but also effectively prevent the corrosion and oxidation of the aircraft in extreme environments. With the continuous development of aerospace technology, the application prospect of high-temperature resistant ceramic coatings will be broader.
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