The selection and performance of thermal sprayed abradable seal coatings for gas turbine engines
Conference
·
OSTI ID:6881042
Criteria used in designing thermal sprayed abradable seal coatings for gas turbine engines are discussed. These include the conditions of being readily abradable and yet being resistable to particle impact erosion from engine-ingested abrasive dust at high gas velocities. Other important criteria include temperature stability, inertness, and consistency. The paper describes the classes of abradable seal materials; the characterization of thermal sprayed abradables; the current coating materials' temperature, erosion, and abradability performance; and current research in thermal sprayed abradable coating materials. 5 refs.
- OSTI ID:
- 6881042
- Report Number(s):
- CONF-8903145--
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
33 ADVANCED PROPULSION SYSTEMS
330103* -- Internal Combustion Engines-- Turbine
36 MATERIALS SCIENCE
360000 -- Materials
AIRCRAFT
ALLOYS
ALUMINIUM ALLOYS
COATINGS
ENERGY CONSUMPTION
ENGINES
FUEL CONSUMPTION
GAS TURBINE ENGINES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
NICKEL ALLOYS
PERFORMANCE
PROTECTIVE COATINGS
RESEARCH PROGRAMS
SEALS
SPRAYED COATINGS
330103* -- Internal Combustion Engines-- Turbine
36 MATERIALS SCIENCE
360000 -- Materials
AIRCRAFT
ALLOYS
ALUMINIUM ALLOYS
COATINGS
ENERGY CONSUMPTION
ENGINES
FUEL CONSUMPTION
GAS TURBINE ENGINES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
NICKEL ALLOYS
PERFORMANCE
PROTECTIVE COATINGS
RESEARCH PROGRAMS
SEALS
SPRAYED COATINGS