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SLURRY PROCESSING FOR DEPOSITION OF RARE EARTH HAFNIUM TANTALATE BASED BARRIER COATINGS
Methods of forming sintered coating (108)s are provided, along with the resulting coating (108)s on a substrate (102). The sintered coating (108) may comprise a rare earth compound and a sintering aid, with the rare earth compound has the formula: A1-bBbZ1-dDdMO6 where A is Al, Ga, In, Sc, Y, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Fe, Cr, Co, Mn, Bi, or a mixture thereof; b is 0 to 0.5; Z is Hf, Ti, or a mixture thereof; D is Zr, Ce, Ge, Si, or a mixture thereof; d is 0 to 0.5; and M is Ta, Nb, or a mixture thereof. The coating (108) may be densified at a sintering temperature, such as 1300 °C to 1600 °C.
SLURRY PROCESSING FOR DEPOSITION OF RARE EARTH HAFNIUM TANTALATE BASED BARRIER COATINGS
Methods of forming sintered coating (108)s are provided, along with the resulting coating (108)s on a substrate (102). The sintered coating (108) may comprise a rare earth compound and a sintering aid, with the rare earth compound has the formula: A1-bBbZ1-dDdMO6 where A is Al, Ga, In, Sc, Y, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Fe, Cr, Co, Mn, Bi, or a mixture thereof; b is 0 to 0.5; Z is Hf, Ti, or a mixture thereof; D is Zr, Ce, Ge, Si, or a mixture thereof; d is 0 to 0.5; and M is Ta, Nb, or a mixture thereof. The coating (108) may be densified at a sintering temperature, such as 1300 °C to 1600 °C.
SLURRY PROCESSING FOR DEPOSITION OF RARE EARTH HAFNIUM TANTALATE BASED BARRIER COATINGS
AUFSCHLÄMMUNGSVERARBEITUNG ZUR ABSCHEIDUNG VON SELTENERD-HAFNIUM-TANTALAT-BASIERTEN BARRIEREBESCHICHTUNGEN
TRAITEMENT DE SUSPENSION POUR LE DÉPÔT DE REVÊTEMENTS BARRIÈRES À BASE DE TANTALATE D'HAFNIUM ET DE TERRES RARES
KIRBY GLEN HAROLD (author) / BARBER EVIN NATHANIEL (author)
2022-11-30
Patent
Electronic Resource
English
Slurry processing for deposition of rare earth hafnium tantalate based barrier coatings
| European Patent Office | 2023
SLURRY PROCESSING FOR DEPOSITION OF RARE EARTH HAFNIUM TANTALATE BASED BARRIER COATINGS
| European Patent Office | 2022
Slurry treatment for deposition of rare earth hafnium tantalate-based barrier coatings
| European Patent Office | 2022
| European Patent Office | 2022
| European Patent Office | 2022