Abstract: A method for preparing an abradable panel for a rub strip of a fan case of a gas turbine engine includes forming an abradable material into a plurality of panels each comprising an abradable structure; curing the abradable material in the plurality of panels; and installing the plurality of panels into the fan case. The panels can be cured and assembled into a fully assembled rubstrip, and then the assembled rubstrip can be installed into the fan case.

Abstract: An abradable material for a rub strip of a gas turbine engine component includes a polymer matrix, and an organic or inorganic filler distributed through the matrix, wherein the abradable material has a compression spring rate profile including: less than 50,000 lb/in at ?65° F., less than 35,000 lb/in at room temperature, and less than 35,000 lb/in at 200° F.

Abstract: A hollow fan blade comprises a sheath, an airfoil and a cover. The sheath forms a pressure side wall and has an exterior surface. The airfoil forms a suction side wall and has an exterior surface. There are a plurality of ribs extending between the pressure side wall and the suction side wall, where the plurality of ribs partition the hollow airfoil into one or more cavities. The cover is disposed in the one or more cavities to protect the plurality of ribs. The cavities are filled with a polymeric foam.

Abstract: A hybrid abradable seal including a stator substrate having an external surface; a casing coupled to the external surface, the casing including radial walls extending radially from the external surface; an abradable material disposed within the casing; the abradable material and the casing being coupled together and configured to resist a deflection responsive to engine gas loads.

Abstract: A hybrid abradable seal including a stator substrate having an external surface; a casing coupled to the external surface, the casing including radial walls extending radially from the external surface; an abradable material disposed within the casing; the abradable material and the casing being coupled together and configured to resist a deflection responsive to engine gas loads.

Abstract: A drench system includes a rotating mount to rotate a workpiece, a showerhead to dispense a fluid onto the workpiece; and a tray to collect the fluid and recirculate the fluid to the shower. A method of repairing or remanufacturing a coating includes abrading a surface to at least partially remove a portion of a coating to leave an abraded surface; applying a sol-gel over the abraded surface; applying a corrosion resistant primer onto the sol-gel; and applying an erosion coating onto the corrosion resistant primer.

Abstract: A method of repairing an erosion coating coupled to a substrate, wherein the coating comprises an anodization layer on the substrate, a bond primer layer on the anodization layer, a corrosion-resistant primer on the bond primer, and an erosion coating on the corrosion-resistant primer. The method comprises abrading an erosion coating; abrading a corrosion-resistant primer; creating an abraded surface comprising a bond primer over an anodization layer coupled to the substrate, applying a sol-gel adhesion promoter layer to said abraded surface; applying a corrosion-resistant layer over the sol-gel adhesion promoter layer; and applying an erosion coating layer over the corrosion-resistant layer.

Abstract: A nosecone assembly having an axially extending centerline is provided. The assembly includes a nosecone body and at least one access panel. The nosecone body has at least one wall that defines an interior cavity. The wall has an interior surface contiguous with the interior cavity, and at least one window aperture extending through the wall. The access panel has first and second face surfaces. The access panel is attached to the wall interior surface within an attachment region that includes first and second attachment region portions partially contiguous with one another. The first and second attachment region portions define an interior unattached region, and the interior unattached region is aligned with the window aperture.

Abstract: A tool for a slot in a gas turbine engine, according to an example of the present disclosure, includes a head configured to be received in the slot, a first pad removably bonded to the head with an adhesive, and a second pad removably bonded to the head with an adhesive and disposed opposite from the first pad.

Abstract: A method of detecting a presence, location, quality, thickness or cure extent of an organopolysiloxane includes applying an organopolysiloxane on a component, which includes a hydrochromic pigment. The method includes exciting the hydrochromic pigment with a light source and measuring the emissions of the hydrochromic pigment.

Abstract: A method of detecting a presence, location, quality, thickness or cure extent of an organopolysiloxane includes applying an organopolysiloxane on a component, which includes a hydrochromic pigment. The method includes exciting the hydrochromic pigment with a light source and measuring the emissions of the hydrochromic pigment.

Abstract: A method of repairing a defectively manufactured multi-layer component having a substrate material and a primer layer includes applying, to the primer layer, a solvent that causes the primer layer to swell to form a swelled primer layer. The method also includes abrading away the swelled primer layer from the multi-layer component and rebuilding the multi-layer component by forming a new primer layer on the substrate material.

Abstract: A tool for a slot in a gas turbine engine, according to an example of the present disclosure, includes a head configured to be received in the slot, a first pad removably bonded to the head with an adhesive, and a second pad removably bonded to the head with an adhesive and disposed opposite from the first pad.

Abstract: A nosecone assembly having an axially extending centerline is provided. The assembly includes a nosecone body and at least one access panel. The nosecone body has at least one wall that defines an interior cavity. The wall has an interior surface contiguous with the interior cavity, and at least one window aperture extending through the wall. The access panel has first and second face surfaces. The access panel is attached to the wall interior surface within an attachment region that includes first and second attachment region portions partially contiguous with one another. The first and second attachment region portions define an interior unattached region, and the interior unattached region is aligned with the window aperture.

Abstract: A method for anodizing a bonded assembly may include attaching a first electrode to a first component of the bonded assembly, and forming a first oxide layer on the first component. The bonded assembly may comprise the first component and a second component bonded to the first component. The second component may be electrically isolated from the first component.

Abstract: A method of separating a lap joint assembly may include positioning a fluid emitter relative to a lap joint assembly. The lap joint assembly may include an adhesive lap joint between a first component and a second component. The method may further include emitting a cryogenic fluid stream from the fluid emitter at the adhesive lap joint. Positioning the fluid emitter and emitting the cryogenic fluid stream may include orienting the fluid emitter such that an angle between the cryogenic fluid stream and the adhesive lap joint is less than 45 degrees. The first component may be a sheath and the second component may be an airfoil body.

Abstract: A method of repairing an erosion coating coupled to a substrate, wherein the coating comprises an anodization layer on the substrate, a bond primer layer on the anodization layer, a corrosion-resistant primer on the bond primer, and an erosion coating on the corrosion-resistant primer. The method comprises abrading an erosion coating; abrading a corrosion-resistant primer; creating an abraded surface comprising a bond primer over an anodization layer coupled to the substrate, applying a sol-gel adhesion promoter layer to said abraded surface; applying a corrosion-resistant layer over the sol-gel adhesion promoter layer; and applying an erosion coating layer over the corrosion-resistant layer.

Abstract: A drench system includes a rotating mount to rotate a workpiece, a showerhead to dispense a fluid onto the workpiece; and a tray to collect the fluid and recirculate the fluid to the shower. A method of repairing or remanufacturing a coating includes abrading a surface to at least partially remove a portion of a coating to leave an abraded surface; applying a sol-gel over the abraded surface; applying a corrosion resistant primer onto the sol-gel; and applying an erosion coating onto the corrosion resistant primer.

Abstract: A method of repairing an erosion coating coupled to a substrate, wherein the coating comprises an anodization layer on the substrate, a bond primer layer on the anodization layer, a corrosion-resistant primer on the bond primer, and an erosion coating on the corrosion-resistant primer the method comprising abrading an erosion coating; abrading a corrosion-resistant primer; creating an abraded surface comprising a bond primer over an anodization layer coupled to the substrate, chemically etching the anodization layer; abrading the bond primer; applying an anodization layer to the substrate; applying a bond primer layer over the anodization layer; applying a corrosion-resistant layer over the bond primer layer; and applying an erosion coating layer over the corrosion-resistant layer.

Abstract: A method for anodizing a bonded assembly may include attaching a first electrode to a first component of the bonded assembly, and forming a first oxide layer on the first component. The bonded assembly may comprise the first component and a second component bonded to the first component. The second component may be electrically isolated from the first component.