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7354548 Fabrication of hardmetals having binders with rhenium or Ni-based superalloy  
Hardmetal compositions each including hard particles having a first material and a binder matrix having a second, different material comprising rhenium or a Ni-based superalloy. A two-step...
EP1743958A1 Process for treating the tip of a turbine blade and turbine blade treated by such a process  
EP1743957A1 Process for treating the tip of a turbine blade and turbine blade treated by such a process  
6896485 Combustion engine, gas turbine, and polishing layer  
The present invention provides a gas turbine in which a proper clearance is kept between a rotor blade and a shroud for a long period of time from the operation start, so that damage to the rotor...
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...
EP1365107A1 COMBUSTION ENGINE, GAS TURBINE, AND POLISHING LAYER  
The present invention provides a gas turbine in which a proper clearance is kept between a rotor blade and a shroud for a long period of time from the operation start, so that damage to the rotor...
6533285 Abradable coating and method of production  
An improved sealing mechanism for a turbomachine such as a compressor for a gas turbine engine employs an abradable coating with a solid lubricant and metal alloy having a quasicrystalline phase.
6228134 Extruded alumina-based abrasive grit, abrasive products, and methods  
Alumina-based abrasive material having at least an internal core structure is provided. Preferably, the abrasive material results from co-extrusion of at least two different sols. In some preferred...
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...
5997248 Silicon carbide composition for turbine blade tips  
A granular composition is applied to tips of rotor blades utilized in a gas turbine engine wherein the blade tips rub against an abradable ceramic layer. Individual grains each have a core of...
5975845 Turbomachinery abradable seal  
A centripetal turbine (1) comprises a housing (3) and a turbine wheel (4) mounted within the housing (3) and having turbine blades (5). The housing (3) defines an annular inlet passageway (7)...
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...
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...
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...
5683825 Thermal barrier coating resistant to erosion and impact by particulate matter  
A thermal barrier coating adapted to be formed on an article subjected to a hostile thermal environment while subjected to erosion by particles and debris, as is the case with turbine, combustor...
5603603 Abrasive blade tip  
An improved abrasive blade tip for gas turbine engines is taught, wherein an abrasive tip coating is applied to the blade tip in such a manner as to lessen wear through of the abrasive and the...
5545431 Method for making a rotary seal membrane  
A rotary seal member, such as a gas turbine engine blade, is provided with an improved surface layer which has an elastic modulus matched with the elastic modulus of a substrate of the member....
5484665 Rotary seal member and method for making  
A rotary seal member, such as a gas turbine engine blade, is provided with an improved surface layer which has an elastic modulus matched with the elastic modulus of a substrate of the member....
5474583 Abrasive grain with metal oxide coating, method of making same and abrasive products  
A method of preparing preferred abrasive grain material is provided. The method involves steps of coating a non-sintered aluminum base particles with a metal alkoxide containing coating; heating to...
EP0400322B1 Refractory metal oxide coated abrasives and grinding wheels made therefrom  
Abstract of EP0400322 There are provided abrasive particles having a refractory metal oxide coating, a non-metallic precursor to a refractory metal oxide coating, or an elemental metal coating of...
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...
5352254 Abrasive grain, method of making same and abrasive products  
An abrasive grain having a coating of grinding aid thereon is provided. The abrasive grains can be incorporated into a variety of abrasive products including bonded abrasives, nonwoven abrasives...
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...
EP0273854B1 Abrasive material, especially for turbine blade tips  
Abstract of EP0273854 An abrasive material (22) comprised of a metal matrix (26) and evenly distributed ceramic particulates (24), is made by mixing powder metal with the ceramic powder and...
5213591 Abrasive grain, method of making same and abrasive products  
An improved abrasive grain comprising the sintered product of a porous non-sintered particle having a coating of inorganic material thereon is provided. A preferred method of making such abrasive...
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,...
EP0273852B1 Turbine blade having a fused metal-ceramic abrasive tip  
Abstract of EP0273852 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...
5165996 Coated refractory compositions and method for preparing the same  
A coated refractory composition for making high quality preforms comprising a refractory material selected from a metal refractory carbide, metal refractory nitride, metal refractory boride or...
5156912 Multi-layer coatings for reinforcements in high temperature composites  
The subject invention relates to a coated reinforcement material comprising a SiC reinforcement having a coating of at least three layers, wherein the layers are alternately A-material layers of...
EP0507049A2 Abrasive particle and rotary seal therewith.  
An abrasive particle, for use in a manufacturing method in which the particle is exposed to a high energy beam, such as a laser, is provided with an abrasive core having an enclosing coating which...
5112194 Composite blade having wear resistant tip  
A fan blade (24) comprising an airfoil shell (30) made of a fiber reinforced relatively low wear resistance composite material has a tip portion (34) having a plurality of elongated filaments (50)...
5090870 Method for fluent mass surface texturing a turbine vane  
An apparatus and method for providing vanes with a surface texture of less than 10×10 -6 inches rms. The method employs a fluent mass having a particulate size less than 1.5 inches and abrasive...
5074970 Method for applying an abrasive layer to titanium alloy compressor airfoils  
A method for providing an abrasive layer on the surface of a turbine engine component is described. The method includes application of several layers of nickel; one layer includes abrasive...
5042991 Hydrophobically coated abrasive grain  
The strength and water resistance of the binding of abrasive grain on the basis of corundum or silicon carbide into synthetic resin bonded abrasive agents is improved by a surface treatment with...
5009675 Coated silicon carbide abrasive grain  
An abrasive grain on the basis of silicon carbide with a binder-free coating of highly dispersed silicon, aluminum or titanium oxide for preferred use in resin-bonded or ceramic-bonded abrasive...
EP0400322A1 Refractory metal oxide coated abrasives and grinding wheels made therefrom.  
There are provided abrasive particles having a refractory metal oxide coating, a non-metallic precursor to a refractory metal oxide coating, or an elemental metal coating of at least about 20...
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...
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...
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...
EP0273854A2 Abrasive material, especially for turbine blade tips.  
An abrasive material (22) comprised of a metal matrix (26) and evenly distributed ceramic particulates (24), is made by mixing powder metal with the ceramic powder and heating to a temperature...
EP0273852A2 Turbine blade having a fused metal-ceramic abrasive 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...
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...
4744725 Abrasive surfaced article for high temperature service  
A very thin abrasive material on a substrate is comprised of ceramic particulates contained within a metal matrix. The particulates extend fully through the matrix from the substrate surface to the...
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...
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...
4610698 Abrasive surface coating process for superalloys  
A combination of sintering, plasma arc spraying, hot isostatic pressing and chemical milling is used to form an abrasive surface on an article. Alumina coated silicon carbide particulates are clad...
EP0166676A2 Abrasive surfaced article for high temperature service.  
A very thin abrasive material (26) on a substrate (24, 28) is comprised of ceramic particulates (30) contained within a metal matrix (36) The particulates extend fully through the matrix from the...
4511307 Centrifugal pump  
The centrifugal pump is of the submersible type and is useful in pumping sand laden fluids. The pump includes a rotatable impeller and fixed diffuser and has an improved bearing that comprises an...
4505720 Granular silicon carbide abrasive grain coated with refractory material, method of making the same and articles made therewith  
Improved granular abrasive material comprises silicon carbide particles at least partially coated with an integral, durable surface layer of a hard refractory material comprising metal nitride or...
4440547 Alumina coated silicon nitride cutting tools  
Cutting tools and cuttng tool inserts having improved mechanical and chemical wear resistance under demanding conditions of machining speed, temperature, or workpiece hardness comprise a silicon...
Matches 1 - 50 out of 59 1 2 >