Patent application number | Description | Published |
20090120101 | Organic Matrix Composite Components, Systems Using Such Components, and Methods for Manufacturing Such Components - Organic matrix composite components, systems using such components, and methods for manufacturing such components are provided. In this regard, a representative organic matrix composite component includes: an organic matrix composite; a layer of aluminum applied to the organic matrix composite; and a wear resistant coating applied to the aluminum layer. | 05-14-2009 |
20100247322 | INTERNALLY SUPPORTED AIRFOIL AND METHOD FOR INTERNALLY SUPPORTING A HOLLOW AIRFOIL DURING MANUFACTURING - A hollow airfoil and a method for manufacturing a hollow airfoil is provided. The method includes the steps of: providing a first airfoil portion, which first portion has a wall with an interior surface and an exterior surface, and one or more ribs extending out from the interior surface; providing a second airfoil portion having a wall with an interior surface and an exterior surface; wherein the first airfoil portion and the second airfoil portion have mating geometries in which the one or more ribs extend between the interior surfaces of the walls of the first and second airfoil portion to form at least one internal cavity defined by the interior surface of the first portion wall, one or more of the ribs, and the interior surface of the second portion wall, and wherein the airfoil includes at least one exterior port disposed in one of the first airfoil portion or the second airfoil portion, or is formed between the first and second airfoil portions, which at least one exterior port is in fluid communication with the at least one cavity; disposing a support material within the at least one internal cavity allowing the support material to be in contact with the one or more ribs, which support material is operative to structurally support the one or more ribs; attaching the first and second airfoil portions together; and removing the support material from the at least one internal cavity through the at least one exterior port. | 09-30-2010 |
20130059501 | METHOD FOR STRIPPING GAMMA-GAMMA PRIME COATING FROM GAMMA-GAMMA PRIME ALLOY - A method of stripping gamma/gamma prime polycrystalline alloy bond coats from single crystal gamma/gamma prime nickel based superalloys, including the steps of grit blasting followed by the use of hydrochloric acid solutions, followed by rinsing. The cycle may be repeated several times, with visual inspection between cycles. | 03-07-2013 |
20130149163 | Method for Reducing Stress on Blade Tips - A turbine engine component has an airfoil portion with a tip portion and the tip portion has at least one chamfered edge on one side. If desired, the tip portion may have a first chamfered edge on a first side and a second chamfered edge on a second side opposed to the first side. A flattened tip portion may extend between the first and second chamfered edges. A tip treatment may be applied to the flattened tip portion. | 06-13-2013 |
20130195633 | GAS TURBINE ROTARY BLADE WITH TIP INSERT - A rotary blade is provided that includes a root, an airfoil, and a tip insert. The airfoil is attached to the root, and has a suction side surface, a pressure side surface, a leading edge, a trailing edge, a tip, and a slot disposed within the tip. The slot extends in a chordwise direction between the leading edge and trailing edge. The tip insert has a base end and a rub end. The base end of the tip insert is disposed within the slot. The rub end of the tip insert extends radially outward from the airfoil tip. | 08-01-2013 |
20130199934 | ELECTROFORMED SHEATH - An electroformed sheath for protecting an airfoil includes a sheath body and a mandrel insert is provided. The sheath body includes a leading edge. The sheath body includes a pressure side wall and an opposed suction side wall, which side walls meet at the leading edge and extend away from the leading edge to define a cavity between the side walls. The sheath body includes a head section between the leading edge and the cavity. The mandrel insert is positioned between the pressure side and suction side walls, and includes a generally wedge-shaped geometry. A method for protecting an airfoil includes: 1) securing a mandrel insert to a mandrel; 2) electroplating a sheath body onto the mandrel and the mandrel insert; 3) removing the mandrel from the sheath body so that a sheath cavity is defined within the sheath body; and 4) securing the airfoil within the sheath cavity. | 08-08-2013 |
20130344252 | Oxide Coating as Foundation for Promote TBC Adherence - A process for improving the adherence of a thermal barrier coating to a substrate includes the steps of providing a substrate, depositing a masking layer of aluminum, an aluminum alloy, or titanium alloy, or titanium on a surface of the substrate, depositing a non-thermally grown oxide layer of alumina or titania on the masking layer, and depositing a thermal barrier coating on the oxide layer. | 12-26-2013 |
Patent application number | Description | Published |
20090095435 | MACHINING OF PARTS HAVING HOLES - Removing of a casting core from a metal casting leaves at least one opening in a surface of the metal. The opening is filled with a sacrificial material. The metal and sacrificial material are machined at the opening. After the machining, a remainder of the sacrificial material is removed. | 04-16-2009 |
20100155251 | HARD ANODIZE OF COLD SPRAY ALUMINUM LAYER - A process for repairing components includes the steps of providing a component having an affected area on a surface of a component to be repaired; depositing a repair material over the affected area on the surface of the component so that the repair material plastically deforms without melting and bonds to the affected area upon impact with the affected area and thereby covers the affected area; providing a sulfuric acid based anodizing solution; anodizing a deposited repair material on the surface of said component in the sulfuric acid based anodizing solution; consuming only a portion of the deposited repair material to form a hard anodized coating layer upon the deposited repair material to form a hard anodized coated component; providing a corrosion resistant sealant solution; and contacting a hard anodized coated component with the corrosion resistant sealant solution to form a corrosion resistant sealant coating on the hard anodized coated component. | 06-24-2010 |
20100219325 | METALLIC COATED CORES TO FACILITATE THIN WALL CASTING - A core for investment casting processes includes a core comprising one or more ceramic materials; and an exterior layer of metal material not susceptible to oxidation under investment casting operating conditions. A method for casting a turbine engine component having an internal passageway includes the steps of forming one or more mold sections each having internal surfaces and at least one of the aforementioned cores for forming one or more turbine engine components having at least one internal passageway; assembling the one or more mold sections; introducing a molten alloy into the one or more assembled mold sections; and consuming the metal of the at least one core during the process. | 09-02-2010 |
20100260613 | Process for preventing the formation of secondary reaction zone in susceptible articles, and articles manufactured using same - A process for reducing secondary reaction zone formation articles includes the steps of non-selective removing an external surface of an as-cast article free of coating to form an as-cast article having a surface substantially free of residual surface stress; and applying a coating material upon the surface substantially free of residual surface stress to form a coated as-cast article having a coating layer disposed upon the surface substantially free of residual surface stress. | 10-14-2010 |
20100266392 | ABRASIVE THERMAL COATING - A protective coating for a surface exposed to hot gas flow comprises a thermal layer, a conducting layer and an abrasive layer. The thermal layer comprises stabilized zirconia, and overlies the surface. The conducting layer overlies the thermal layer. The abrasive layer comprises abrasive particles bonded in a metal matrix that is electroplated onto the conducting layer. | 10-21-2010 |
20100276103 | Metallic Coated Cores to Facilitate Thin Wall Casting - A core for investment casting processes includes a core having one or more ceramic materials; and an exterior layer of metal material not susceptible to oxidation under investment casting operating conditions. A method for casting a turbine engine component having an internal passageway includes the steps of forming one or more mold sections each having internal surfaces and at least one of the aforementioned cores for forming one or more turbine engine components having at least one internal passageway; assembling the one or more mold sections; introducing a molten alloy into the one or more assembled mold sections; and consuming the metal of the at least one core during the process. | 11-04-2010 |
20130318771 | MACHINING OF PARTS HAVING HOLES - Removing of a casting core from a metal casting leaves at least one opening in a surface of the metal. The opening is filled with a sacrificial material. The metal and sacrificial material are machined at the opening. After the machining, a remainder of the sacrificial material is removed. | 12-05-2013 |
20140248156 | Composite Articles and Methods - An article comprises: a substrate having a matrix and a plurality of metallic members partially embedded in the matrix; and a metallic layer bonded to exposed portions of the metallic members. | 09-04-2014 |