GE.MS5001P Gas Turbine Thermal Component Repair
Thermal barrier coating principle:
TBC (thermal barrier coating) is a layer of ceramic coating. Zr 2O3/8%Y2O3 thermal barrier coating is mostly used on gas turbine blades to insulate the base material, so that devices (such as engines) are made of it. Turbine blades) operate at high temperatures, increasing thermal efficiency by more than 60%.
The TBC coating on the surface of the hot end parts of the gas turbine is a composite coating, the bottom layer is a protective oxidation coating such as MCrAlY, and the surface layer is a ceramic coating. Plasma spraying, electron beam physical vapor deposition, and supersonic flame spraying are mostly used.
Electrostatic spray-assisted vapor deposition, low-pressure plasma spray process to implement.