GAS-TURBINE ENGINE COMPONENT AND METHOD OF ITS MANUFACTURE Russian patent published in 1998 - IPC

Abstract RU 2116377 C1

FIELD: machine building. SUBSTANCE: gas-turbine engine component has coating of metal layer located on the component and ceramic coating based on zirconium oxide with thickness of 70-600 mcm. The latter coating is three-layer with the first and last layers of 1-20 mcm thick each, and having structure free of pores, and the second layer has 5-16% porosity. The method includes deposition of metal layer by spraying and stage formation of three ceramic layers. The last layer is formed by thermal hardening of the second layer surface. EFFECT: higher stability of coating and also components in operation in corrosive media and temperature above 1000 C. 6 cl, 9 dwg

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RU 2 116 377 C1

Authors

Shamarina G.G.

Dates

1998-07-27—Published

1996-06-25—Filed