THERMALLY PROTECTED SUPERALLOYS AND PROCESS

1519370 Coated nickel and cobalt alloys UNITED TECHNOLOGIES CORP 26 Aug 1976 [11 Sept 1975] 35521/76 Heading B2E A thermally protected Ni or Co superalloy, e.g. for use in combustion chambers, transition ducts and afterburner liners in gas turbine engines, has a metal bond coat which is an alloy of...

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Hauptverfasser:	D.A. GREY, G.W. GOWARD, R.C. KRUTENAT
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS ALLOYS ARTIFICIAL STONE BLASTING CEMENTS CERAMICS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COMBUSTION ENGINES COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS DIFFUSION TREATMENT OF METALLIC MATERIAL ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS ENGINE PLANTS IN GENERAL FERROUS OR NON-FERROUS ALLOYS GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING LIME, MAGNESIA MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METALLURGY NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PERFORMING OPERATIONS REFRACTORIES SLAG STEAM ENGINES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS TREATMENT OF NATURAL STONE WEAPONS
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Zusammenfassung:	1519370 Coated nickel and cobalt alloys UNITED TECHNOLOGIES CORP 26 Aug 1976 [11 Sept 1975] 35521/76 Heading B2E A thermally protected Ni or Co superalloy, e.g. for use in combustion chambers, transition ducts and afterburner liners in gas turbine engines, has a metal bond coat which is an alloy of 15-40% G, 10-25% Al, up to 1% ythrium, the balance being a mixture of Fe, Co and Ni or a mixture of Ni and Co. The bond coat is overlaid with a zirconia base ceramic material. The concentration of ceramic may vary continuously from 0 at the bond coat to 100%. The coatings may be applied by plasma spraying.