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7594325 |
Aerofoil and a method of manufacturing an aerofoil
An aerofoil ( 35 ) for example a fan blade ( 26 ) comprises a leading edge ( 36 ), a trailing edge ( 38 ), a concave pressure surface extending ( 40 ) from the leading edge ( 36 ) to the trailing...
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7569284 |
Incorporation of nitrogen into high k dielectric film
A high k dielectric film and methods for forming the same are disclosed. The high k material includes two peaks of impurity concentration, particularly nitrogen, such as at a lower interface and...
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7534287 |
Porous sintered composite materials
The present invention is directed to porous composite materials comprised of a porous base material and a powdered nanoparticle material. The porous base material has the powdered nanoparticle...
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7514122 |
Method and apparatus for spray processing of porous medical devices
Thermal spray processing and cold spray processing are utilized to manufacture porous starting materials (such as tube stock, wire and substrate sheets) from biocompatible metals, metal alloys,...
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7486020 |
Diffusion barrier coatings having graded compositions and devices incorporating the same
A composite article comprises a substrate having at least a substrate surface and a graded-composition coating disposed on a substrate surface. The composition of the coating material varies...
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7468089 |
Cermet materials
A self-cleaning porous cermet material, filter and system utilizing the same may be used in filtering particulate and gaseous pollutants from internal combustion engines having intermetallic and...
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7465500 |
Lightweight protector against micrometeoroids and orbital debris (MMOD) impact using foam substances
Methods and apparatus are provided for a shield to protect a surface from the impact of hyper-velocity projectiles. The apparatus comprises a foam material that is configured to cover the surface...
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7449043 |
Cemented carbide tool and method of making the same
A cemented carbide tool comprising hard constituents in a binder phase of Co and/or Ni and at least one surface portion and an interior portion in which surface portion the grain size is smaller...
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7427310 |
Cemented carbide tools for mining and construction applications and method of making same
A cemented carbide cutting tool insert/button for mining and construction comprising hard constituents in a binder phase of Co and/or Ni and at least one surface portion and an interior portion in...
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7390568 |
Semiconductor nanocrystal heterostructures having specific charge carrier confinement
A semiconductor nanocrystal heterostructure has a core of a first semiconductor material surrounded by an overcoating of a second semiconductor material. Upon excitation, one carrier can be...
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7361203 |
Sliding component and method for manufacturing the same
A bearing is manufactured by filling iron-based material powder and copper-based material powder in a filling portion of a mold, compacting those material powder so as to form a green compact, and...
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7297271 |
Titanium powder sintered compact
Provided are a porous sintered compact suitable for a filter, a power feeder in a polymer electrolyte membrane type water electrolyzer, a current collector in a solid polymer fuel cell and in...
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7137312 |
Gear wheels roll formed from powder metal blanks
A method is disclosed for the manufacture of gear wheels having two axially adjacent gears ( 4,6 ) thereon. A blank is prepared with the two gears crudely formed thereon by compressing and...
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7112237 |
Porous sintered composite materials
The present invention is directed to porous composite materials comprised of a porous base material and a powdered nanoparticle material. The porous base material has the powdered nanoparticle...
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7097685 |
Cemented carbide, coated cemented carbide member and production processes of the same
A cemented carbide comprises a binder phase consisting essentially of an iron family metal, a first hard phase consisting essentially of WC having a hexagonal crystal structure, and a second hard...
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7070643 |
Compositionally graded sintered alloy and method of producing the same
There is disclosed a compositionally graded sintered alloy which comprises: 1 to 40% by weight of a iron group metal; 0.1 to 10% by weight of at least one type of a specific metal element selected...
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7014367 |
Oil-impregnated sintered sliding bearing
An oil-impregnated sintered sliding bearing formed of a porous iron-based sintered alloy with quenched structure and receiving a high surface pressure capable of reducing the number of finishing...
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6972156 |
Body formed of set, initially pasty material and including an electrically conducting path and a method of making such a body
A body ( 5 ) of set, initially pasty material, such as concrete, includes an electrically conducting path formed by a concentrated layer ( 6 ) of electrically conducting magnetizable elements, such...
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6955112 |
Multi-structure metal matrix composite armor and method of making the same
A lightweight armor system may comprise multiple reinforcement materials layered within a single metal matrix casting. These reinforcement materials may comprise ceramics, metals, or other...
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6936339 |
Carbon composites with silicon based resin to inhibit oxidation
A thermal protection system (TPM) for protecting a surface subject to high thermal load comprising a fiber substrate where the substrate is composed of woven or non-woven layers of fibers laminated...
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6918943 |
Machining tool and method of producing the same
A machining surface of a machining tool such as a drill is composed of a metal-rich section. A ceramics-rich section is formed centrally in the drill. Further, a gradient section is provided...
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6897123 |
Bonding of parts with dissimilar thermal expansion coefficients
A method for bonding materials with different thermal expansion coefficients is provided. An intermediary layer of glass, ceramics, polymers, metals or composites is inserted between the materials...
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6869460 |
Cemented carbide article having binder gradient and process for producing the same
An eta-phase-free cemented carbide insert with improved surface hardness and wear resistance containing WC, and possibly cubic phases of a carbide and/or carbonitride, in a binder phase of Co, Ni,...
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6783696 |
Porous getter devices with reduced particle loss and method for manufacturing same
A method for reducing the loss of particles from the surface of porous getter bodies is taught herein. The method consists in producing on the surface of the porous getter a thin layer of a metal...
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6776818 |
Projectile of sintered metal powder
A projectile having a body of sintered metal powder and a sintered metal powder surface that faces toward the rifling in the bore of a firearm, and therewith co-acts with the rifling. At least the...
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6667111 |
Rapid infrared heating of a surface
High energy flux infrared heaters are used to treat an object having a surface section and a base section such that a desired characteristic of the surface section is physically, chemically, or...
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6655882 |
Twist drill having a sintered cemented carbide body, and like tools, and use thereof
There is now provided a twist drill having an elongate body at a first end, a shank at a second and opposite end, the elongate body and the shank sharing a common axis, at least one face on the...
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6607613 |
Solder ball with chemically and mechanically enhanced surface properties
A metal alloy solder ball comprising a first metal and a second metal, the first metal having a sputtering yield greater than the second metal. The solder ball comprises a bulk portion having a...
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6416877 |
Forming a plain bearing lining
A method of forming a plain bearing lining on a substrate, the method comprising high velocity oxy-fuel spraying particles of a bearing metal onto the substrate and treating said layer to form it...
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6328822 |
Functionally graded alloy, use thereof and method for producing same
The functionally graded alloy having a composition comprising 3-10 weight % of Al, 5-20 weight % of Mn, the balance being substantially Cu and inevitable impurities has a first portion composed...
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6306196 |
Sintered Ti-system material product derived from injection molding of powder material and producing method thereof
Disclosed is a sintered Ti-based material product derived from injection molding of a powder material. The outer layer region of the product comprises a lower amount of carbon than the inner layer...
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6228508 |
Process for preparing a metal body having a hermetic seal
Disclosed is a process for preparing a metal body via metal powder molding techniques. First and second component parts are conventionally injection molded from a metal powder molding material. The...
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6197431 |
Composite material machining tools
A method for manufacturing machining tools out of composite powdered metal which is first formed to approximate the desired shape of the machining tool; then bonded metallurgically; and machined to...
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6139975 |
Sheet metal member, method of manufacturing same, and heat radiation plate
In a method of manufacturing a sheet member comprising: obtaining a sintered compact by sintering a sheet-like compact having a reduced-thickness portion and an enlarged-thickness portion; and then...
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6132293 |
Method of blasting cutting tool inserts
A method of removing the binder phase from the surface of a hard material body consisting of hard constituents in a binder phase based on cobalt and/or nickel and with a binder phase enriched...
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6114048 |
Functionally graded metal substrates and process for making same
The invention provides for a functionally-graded metal substrate that is made of at least two metal compositions, a functional insert and a surrounding body that surrounds the functional insert. In...
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6103026 |
Corrosion-resistant copper materials and making method
A corrosion-resistant copper material has a surface layer of a copper alloy containing 10-50 at % (i.e. % by atom) of silicon and of 10-1,000 Å thick. It is produced simply by annealing a copper...
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6089444 |
Process of bonding copper and tungsten
Process for bonding a copper substrate to a tungsten substrate by providing a thin metallic adhesion promoting film bonded to a tungsten substrate and a functionally graded material (FGM)...
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6066405 |
Nickel-base superalloy having an optimized platinum-aluminide coating
A nickel-base superalloy substrate includes a surface region having an integrated aluminum content of from about 18 to about 24 percent by weight and an integrated platinum content of from about 18...
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6019936 |
Method for manufacturing functionally gradient composite materials
A method for manufacturing a dense and functionally gradient composite material is provided. The method includes steps of preparing a reactant compact made of composite materials, igniting the...
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5989731 |
Composite material and method of manufacturing the same
In a composite material manufactured by connecting a sintered body to a surface of a metal substrate, the connection strength under a high temperature is increased, stress relaxation in the...
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5976707 |
Cutting insert and method of making the same
A cutting insert that has a flank face and a rake face and a cutting edge at the juncture thereof. The substrate presents a bulk region that contains a metallic binder, as well as one or more of...
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5972521 |
Expanded metal structure and method of making same
The present invention provides a method of forming a continuous one-piece structural porous metal (SPM) structure having a predetermined geometry. The method the invention includes the steps of...
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5943546 |
Gradient function material
A disclosed gradient function material is produced by molding and thereafter firing a slurry which contains a plurality of groups of particles having different specific gravities. The plurality of...
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5848351 |
Porous metallic material having high specific surface area, method of producing the same, porous metallic plate material and electrode for alkaline secondary battery
The porous metallic material of the present invention has an overall porosity of 80 to 99%, and a skeleton in a three dimensional network structure which is entirely composed of a sintered metal...
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5846664 |
Porous metal structures and processes for their production
A process is provided for the manufacture of porous metal components. The process involves preparing a colloidal suspension comprising a metal-containing powder in admixture with a binder system,...
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5830587 |
Magnetic devices with enhanced poles
A process resulting in enhanced pole performance, relative to permalloy poles, in narrow track magnetic devices. A preferred process includes increasing the anisotropy field of the pole material...
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5800932 |
Electric contact material and a manufacturing method therefor
Disclosed is an electric contact material which comprises a contact substrate and a coating layer formed integrally on the surface of the contact substrate. The coating layer is formed of an...
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5763093 |
Aluminum nitride body having graded metallurgy
Disclosed is an aluminum nitride body having graded metallurgy and a method for making such a body. The aluminum nitride body has at least one via and includes a first layer in direct contact with...
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5744734 |
Fabrication process for high temperature aluminum alloys by squeeze casting
A method for fabricating articles of high-temperature aluminum alloys having a compressional strength of at least 20 kg/mm 2 at temperatures of 300° C. or greater, is disclosed. The method...
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