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7367122 |
Stepped sleeve repair of knife seal bores in driven compressor housing
A method is provided for repairing a driven compressor housing including a bore having an inner surface configured to engage a shaft-mounted knife seal. The method includes the steps of removing...
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7347769 |
Method of fabricating pliant workpieces, tools for performing the method and methods for making those tools
An improved method of manufacturing automotive accessory drive belts or other workpieces of pliant material which have a grooved operative face, a tool having an abrasive ramp configuration for...
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7140952 |
Oxidation protected blade and method of manufacturing
The surface of a gas turbine blade is machined with a material-removing tool and simultaneously, an anti-oxidation coating is deposited on the surface using eletrospark deposition.
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6997790 |
Method of fabricating pliant workpieces, tools for performing the method and methods for making those tools
An improved method of manufacturing automotive accessory drive belts or other workpieces of pliant material which have a grooved operative face, a tool having an abrasive ramp configuration for...
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6884470 |
Application method for abradable material
A method for applying a highly porous alumina material that is useful in the hot section of a jet aircraft engine. In order to apply the porous alumina, an aluminum-based metal/alumina material...
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6878412 |
Corrosion resistant component and method for fabricating same
A process of fabricating a corrosion and erosion resistant component. In one embodiment, the process entails applying one or more corrosion resistant materials onto a pre-formed, sacrificial core...
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EP0833710B1 |
COATING METHODS, COATING PRODUCTS AND COATED ARTICLES
Abstract not available for EP0833710 Abstract of corresponding document: US6103186 Abradable coatings for turbine engine shrouds are formed from biscuits formed of silicon-diffused powdered alloy...
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6837417 |
Method of sealing a hollow cast member
A method of sealing an opening in a cast member that employs a green seal cap formed from the consolidation of a mixture of powdered metal and a binder under sufficient pressure to impart enough...
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6827254 |
Turbine engine component having wear coating and method for coating a turbine engine component
A turbine engine component includes a substrate and a wear coating on the substrate. The wear coating includes wear-resistant particles in a matrix phase, the wear-resistant particles being formed...
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6780458 |
Wear and erosion resistant alloys applied by cold spray technique
A wear alloy coating ( 14 ) applied to a substrate material ( 12 ) by a cold spray process. Particles of the wear alloy coating material ( 16 ) are directed toward a target surface ( 18 ) of the...
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6706319 |
Mixed powder deposition of components for wear, erosion and abrasion resistant applications
An abrasive coating and a process for forming the abrasive coating by co-depositing hard particles within a matrix material onto a substrate using a cold spray process. The cold sprayed combination...
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6491208 |
Cold spray repair process
A process ( 30 ) for the repair of a component part ( 36,66 ) incorporating a cold spray process step ( 50 ) for depositing material particles ( 54 ) to fill a discontinuity ( 40 ) in the part...
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6468040 |
Environmentally resistant squealer tips and method for making
A cast turbine airfoil to which a squealer tip is added. The turbine airfoil is cast slightly undersize. The squealer tip is comprised of an alloy that is different from the cast alloy of the...
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6451454 |
Turbine engine component having wear coating and method for coating a turbine engine component
A turbine engine component includes a substrate and a wear coating on the substrate. The wear coating includes wear-resistant particles in a matrix phase, the wear-resistant particles being formed...
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6444259 |
Thermal barrier coating applied with cold spray technique
A process ( 20 ) for applying a thermal barrier coating ( 51 ) to a turbine component ( 50 ) including the step ( 34 ) of depositing a bond coating layer ( 56 ) by, directing solid particles using...
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6365222 |
Abradable coating applied with cold spray technique
A cold spray process ( 20 ) for applying an abradable coating ( 16 ) to a substrate material ( 12 ). A bond coat layer ( 14 ) and/or an abradable coating material layer ( 16 ) are applied to a...
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6355086 |
Method and apparatus for making components by direct laser processing
The present invention relates to a method an apparatus for fabricating a component by a direct laser process. One form of the present invention contemplates a gas turbine engine blade having an...
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6194086 |
Method for producing abrasive tips for gas turbine blades
A process is provided for producing an abrasive coating on a substrate surface by applying a bond coat by low pressure plasma spraying and anchoring to the bond coat abrasive particles by...
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6083631 |
Article and a method and apparatus for producing an article having a high friction surface
A product and a process for producing a matrix and a tool for use in abrasive or cutting applications including a base tool structure which may be armed with a plurality of triangular or conically...
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5972424 |
Repair of gas turbine engine component coated with a thermal barrier coating
A gas turbine engine component coated with a thermal barrier coating that includes a metallic bond coat and a ceramic top coat is repaired by removing the ceramic top coat from an engine-run gas...
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5935407 |
Method for producing abrasive tips for gas turbine blades
A process is provided for producing an abrasive coating on a substrate surface by applying a bond coat by low pressure plasma spraying and anchoring to the bond coat abrasive particles by...
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5932356 |
Abrasive/abradable gas path seal system
A composite ceramic coating having abrasive properties for application to a metallic substrate is provided which includes a ceramic matrix and a plurality of ceramic abrasive particles disposed...
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EP0919699A2 |
Columnar zirconium oxide abrasive coating for a gas turbine engine seal system
A gas turbine engine seal system includes a rotating member 12;30 having an abrasive tip 28 disposed in use in rub relationship to a stationary, abradable seal surface. The abrasive tip comprises a...
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5891204 |
Article and a method for producing an article having a high friction surface
Apparatus and methods for the manufacture of improved abrasive tools and the like which include apparatus and a method for the creation of a structurally viable matrix having a pattern of abrasive...
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5556257 |
Integrally bladed disks or drums
A method of making an integrally bladed disc for a gas turbine engine, the disc having at least one blade the radially outermost surface of which is coated with a material harder than that of the...
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5437724 |
Mask and grit container
The present invention relates to a tool for accurately controlling the location, volume and containment of an abrasive grit material during a plating operation wherein the grit material and a...
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5359770 |
Method for bonding abrasive blade tips to the tip of a gas turbine blade
An abrasive system and a processing procedure is provided which permits the direct installation of a thick abrasive blade tip cap onto a cast turbine rotor blade during a heating schedule which...
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5264011 |
Abrasive blade tips for cast single crystal gas turbine blades
An abrasive system and a processing procedure is provided which permits the direct installation of a thick abrasive blade tip cap onto a cast single crystal turbine rotor blade during a single...
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EP0361655B1 |
Method of forming a turbine blade tip seal
Abstract of EP0361655 A method of forming a squealer type abradable axial tip seal for a gas turbine blade where the radial fin (70) at the blade tip is built up by welding with a filler rod...
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EP0272197B1 |
Silicon carbide abrasive particles having multilayered coating
Abstract of EP0272197 Ceramic particles (18) useful as abrasives in a metal matrix layer are described. The particles are coated with an oxide monolayer (30) and a metal duplex layer. Preferably,...
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5181939 |
Article and a method for producing an article having a high friction surface
A product and a process for producing a matrix and a tool for use in abrasive or cutting applications including a base tool structure which may be armed with a plurality of triangular or conically...
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5104293 |
Method for applying abrasive layers to blade surfaces
This invention relates to abrasive layers for use in the gas turbine industry. The preferred embodiment of the invention comprises nickel coated, yttria doped silicon nitride particulates dispersed...
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5061292 |
Diamond abrasive and method for producing the same
Diamond abrasive comprising a mass of idiomorphic crystal grits which each have an irregular shaped core of diamond formed under pressure where diamond is thermodynamically favored phase, and a...
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EP0361655A2 |
Method of forming a turbine blade tip seal.
A method of forming a squealer type abradable axial tip seal for a gas turbine blade where the radial fin (70) at the blade tip is built up by welding with a filler rod material of lesser strength...
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4874290 |
Turbine blade top clearance control system
The turbine blade tip clearance control system presently used with existing turbine blade uses an abradable seal material with a conventional squealer tip. Others use a thin, coating added to the...
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4851188 |
Method for making a turbine blade having a wear resistant layer sintered to the blade tip surface
An abrasive, wear resistant layer is applied to the tip surface of a superalloy gas turbine blade by high temperature sintering operation which produces a high strength bond between the layer and...
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4818833 |
Apparatus for radiantly heating blade tips
An abrasive, wear resistant layer is applied to the tip surface of a superalloy gas turbine blade by high temperature sintering operation which produces a high strength bond between the layer and...
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4802828 |
Turbine blade having a fused metal-ceramic tip
A gas turbine engine blade has an abrasive material tip with a fused superalloy matrix and evenly distributed ceramic particulate. The matrix will have a desirable metallurgical structure...
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EP0272197A2 |
Silicon carbide abrasive particles having multilayered coating.
Ceramic particles (18) useful as abrasives in a metal matrix layer are described. The particles are coated with an oxide monolayer (30) and a metal duplex layer. Preferably, the particles are...
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4741973 |
Silicon carbide abrasive particles having multilayered coating
Ceramic particles useful as abrasives in a metal matrix layer are described. The particles are coated with an oxide monolayer and a metal duplex layer. Preferably, the particles are silicon...
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4689242 |
Method for adhesion of grit to blade tips
Metal coated ceramic particles are bonded to a metallic substrate in a high temperature sintering process. A low viscosity binder solution containing fine metallic particulates is first applied to...
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