METHOD FOR PRODUCTION OF A THERMAL BARRIER SYSTEM BASED ON A METAL TURBOMACHINE PART Russian patent published in 2021 - IPC C23C28/04 C23C14/06 C23C14/30 

FIELD: machines.

SUBSTANCE: group of inventions relates to the area of turbomachines, more specifically, to a method for production of a thermal barrier cover in form of a layer system based on a metal base of a turbomachine part, to parts of a turbomachine subjected to high temperatures such as blades of a high-pressure turbine. The mentioned thermal barrier cover is comprised of no less than one columnar ceramic layer (3; 31,...,3i,...,3n). At least one of said columnar ceramic layers (3; 31,...,3i,...,3n) is subjected to compression. The compression results in decrease of the gaps between the columns of at least one compressed columnar ceramic layer (3; 31,...,3i,...,3n). In particular embodiments of the invention the compression is applied under laser radiation, shot peening or microsanding. Submitted is a part of a turbomachine with a thermal barrier cover in form of a layer system produced as described.

EFFECT: invention allows a thermal barrier system resistant to aging induced by the processes related to cyclic oxidating, erosion, exposure to the environment, rich system of oxide particles collectively referred to as CMAS (from calcium, magnesium, aluminum and silicon oxides).

16 cl, 8 dwg