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Effect of oxidation in the presence of salts on the strength of silicon nitride base ceramics

Journal Article · · Sov. Powder Metall. Met. Ceram. (Engl. Transl.); (United States)
OSTI ID:6452453
; ; ;
The authors assess the effects of oxidation on the elasticity, ultimate high-temperature strength, and stress-strain behavior of a silicon-nitride-based ceramic used in gas turbine engines. Using an combination of chemical, mechanical and ultrasonic techniques, they comparatively test the corrosive effects of sodium chlorides, sodium sulfates, seawater, and the vanadium pentoxide found in the exhaust gases of low-quality fuels on the ceramic, as well as the kinetics of the corrosion reaction itself.
OSTI ID:
6452453
Journal Information:
Sov. Powder Metall. Met. Ceram. (Engl. Transl.); (United States), Journal Name: Sov. Powder Metall. Met. Ceram. (Engl. Transl.); (United States) Vol. 25:9; ISSN SPMCA
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360205* -- Ceramics
Cermets
& Refractories-- Corrosion & Erosion
ALKALI METAL COMPOUNDS
CARBIDES
CARBON COMPOUNDS
CERAMICS
CHALCOGENIDES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CHLORIDES
CHLORINE COMPOUNDS
COMPARATIVE EVALUATIONS
CORROSION
CORROSION PROTECTION
CORROSION RESISTANCE
CORROSIVE EFFECTS
ELASTICITY
ENGINES
EXHAUST GASES
FLUIDS
GAS TURBINE ENGINES
GASEOUS WASTES
GASES
HALIDES
HALOGEN COMPOUNDS
HEAT ENGINES
HYDROGEN COMPOUNDS
INTERNAL COMBUSTION ENGINES
KINETICS
MATERIALS TESTING
MECHANICAL PROPERTIES
NITRIDES
NITROGEN COMPOUNDS
OXIDATION
OXIDES
OXYGEN COMPOUNDS
PNICTIDES
REACTION KINETICS
SEAWATER
SILICON CARBIDES
SILICON COMPOUNDS
SILICON NITRIDES
SODIUM CHLORIDES
SODIUM COMPOUNDS
SODIUM SULFATES
STRAINS
STRESS ANALYSIS
SULFATES
SULFUR COMPOUNDS
TEMPERATURE EFFECTS
TENSILE PROPERTIES
TESTING
TRANSITION ELEMENT COMPOUNDS
ULTIMATE STRENGTH
VANADIUM COMPOUNDS
VANADIUM OXIDES
WASTES
WATER