Phase analysis of plasma-sprayed zirconia-yttria coatings
Journal Article
·
· Ceram. Eng. Sci. Proc.; (United States)
Phase analysis of plasma-sprayed 8 wt pct-yttria-stabilized zirconia (YSZ) thermal barrier coatings and powders was carried out by X-ray diffraction. Step scanning was used for increased peak resolution. Plasma spraying of the YSZ powder into water or onto a steel substrate to form a coating reduced the cubic and monoclinic phases with a simultaneous increase in the tetragonal phase. Heat treatment of the coating at 1150 C for 10 h in an Ar atmosphere increased the amount of cubic and monoclinic phases. The implications of these transformations on coating performance and integrity are discussed.
- Research Organization:
- New York State Univ., Stony Brook
- OSTI ID:
- 6231539
- Journal Information:
- Ceram. Eng. Sci. Proc.; (United States), Journal Name: Ceram. Eng. Sci. Proc.; (United States) Vol. 4; ISSN CESPD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
CHALCOGENIDES
COATINGS
COHERENT SCATTERING
DEPOSITION
DIFFRACTION
ENGINES
GAS TURBINE ENGINES
HEAT ENGINES
HEAT TREATMENTS
INTERNAL COMBUSTION ENGINES
OXIDES
OXYGEN COMPOUNDS
PERFORMANCE
PHASE TRANSFORMATIONS
PLASMA ARC SPRAYING
SCATTERING
SPRAY COATING
SPRAYED COATINGS
SURFACE COATING
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
CHALCOGENIDES
COATINGS
COHERENT SCATTERING
DEPOSITION
DIFFRACTION
ENGINES
GAS TURBINE ENGINES
HEAT ENGINES
HEAT TREATMENTS
INTERNAL COMBUSTION ENGINES
OXIDES
OXYGEN COMPOUNDS
PERFORMANCE
PHASE TRANSFORMATIONS
PLASMA ARC SPRAYING
SCATTERING
SPRAY COATING
SPRAYED COATINGS
SURFACE COATING
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES