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4941919 |
Copper-based sliding material and method for producing the same
The sintered sliding material according to the present invention consists of from 0.1 to 10% by of graphite, from 1 to 7% by of alumina, and balance of copper, and occasionally at least one member...
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4931092 |
Method for producing metal bonded magnets
A metal-metal matrix composite magnet including a magnetic material such as a neodymium-iron-boron magnetic phase bonded by a metal matrix, preferably copper an a method of making the magnet which...
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4931311 |
Method of obtaining a filament-containing composite with a boron nitride coated matrix
A composite is produced by admixing a matrix-forming material with organic binding material, forming the resulting mixture into a tape, disposing a layer of spaced boron nitride coated filaments...
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4920009 |
Method for producing laminated bodies comprising an RE-FE-B type magnetic layer and a metal backing layer
Magnetically isotropic, fine grain, RE 2 Fe 4 B phase containing particulate material is hot pressed to full density and bonded to a metal backing layer of desired shape and composition....
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4917961 |
Method of producing corrosion-, heat- and wear-resistant member, and the member produced
This invention relates to a method of producing a corrosion-, heat- and wear-resistant member which comprises packing an atomized powder of a high-carbon high-chromium steel into a capsule, heating...
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4917960 |
Porous coated product
Porous coating for substrates especially metal substrates. The pores are created by the removal of a fugitive material. The coatings have useful numerous applications also for heat exchange,...
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4916026 |
Laminate
Sliding layers overlays produced by cathode sputtering comprise a matrix-forming metallic material and at least one other material which is substantially insoluble in the matrix have greatly...
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4915899 |
Process for co-sintering conductors of copper or copper-base alloys and their ceramic substrate of cordierite
The invention comprises a process for co-sintering of conductors of copper or copper-based alloy and a ceramic substrate, the substrate being produced from a ceramic powder of cordierite type,...
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4911625 |
Method of making graded structure composites
This case relates to tough, wear resistant graded structure composites, to a process for preparing the same and to tools and products fabricated therefrom. The composites have a surface layer e.g....
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4911989 |
Surface-coated cemented carbide and a process for the production of the same
A coated cemented carbide alloy having jointly a high toughness and high wear resistance is produced by specifying the cooling rate during sintering in efficient manner, which alloy comprises a...
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4910091 |
High hardness fine grained tungsten-carbon alloys
Extremely hard, fine grained tungsten/carbon alloys are described which are produced by thermochemical deposition. The alloys consist primarily of a mixture of a substantially pure tungsten phase...
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4906528 |
Composite cutting element containing cubic boron nitride and method of making the same
A cutting element of flat shape suitable for use as a drill tip comprises a central abrading blade containing more than 80% vol. CBN sandwiched between two lateral support layers. The lateral...
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4906529 |
Method of producing an erosion-resistant surface/layer on a metallic workpiece
A method is provided for producing an erosion-resistant layer or coating on the surface of a metallic workpiece. The method includes providing a thermally sprayable alloy of Ni-Cr-Fe-B-Si and...
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4906431 |
Method of producing a heat insulating separation wall
The present invention relates to a heat insulating separation wall between the combustion chamber of a solid fuel rocket and a chamber containing an electronic control installation of said rocket.
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4904538 |
One step HIP canning of powder metallurgy composites
A single step is relied on in the canning process for hot isostatic pressing powder metallurgy composites. The binders are totally removed while the HIP can of compatible refractory metal is sealed...
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4897315 |
Yttrium enriched aluminide coating for superalloys
A protective coating system for superalloys is described. The coating is an yttrium enriched aluminide, and can be formed by aluminizing an MCrAlY coated superalloy, wherein during the aluminizing...
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4895770 |
Process for the manufacture of multi-layered, coated hardmetal parts
The invention relates to a process for the manufacture of multi-layered wear-resistant CVD- or PVD-coatings applied to hardmetal parts containing WC-Co or WC-Ni, where at least one of the layers is...
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4889773 |
Resistance welding of galvanized steel
A coating for improved resistance welding of galvanized steel parts or sheets comprises a binder, and a metal phosphide pigment, preferably a ferrophosphorus pigment, having a particle size of from...
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4886682 |
Process for producing a filament-containing composite in a ceramic matrix
A composite is produced by admixing a matrix-forming material with organic binding material, forming the resulting mixture into a tape, disposing a layer of spaced filaments between at least two of...
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4886709 |
Member for semiconductor apparatus
A member for a semiconductor apparatus for carrying or holding a semiconductor device, obtained by joining an aluminum nitride substrate and a radiating substrate, comprises an insulating member...
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4883720 |
Process of marking hot steel ingots and product
For the provision of durable and easily legible inscriptions by jet spraying on steel ingots when they are at an elevated temperature, a nickel or iron metal powder having a largest particle...
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4880707 |
Stick of composite materials and process for preparation thereof
A stick of composite materials comprises a hot-pressed super-hard head member containing higher than 50 vol % of a diamond powder and/or a high pressure boron nitride powder, and a supporting...
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4871621 |
Method of encasing a structure in metal
An improved method for encasing objects in metal is disclosed as are the novel encased objects so prepared. An object is wrapped with a sheet comprising sinterable particulate or powdered metal and...
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4868065 |
Alloy tool of hard metal
An alloy tool of hard metal has a working part and a non-working part. The working part is made of a hard metal containing carbide of at least a metal selected from a group of elements belonging to...
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4863803 |
Composite product with a tubular casing for treating molten metal baths
The invention relates to a composite product of substantial length for the treatment of metal baths which is formed by a tubular metal casing (2) within which are housed the treatment material or...
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4859543 |
Earth working tool having a working element fabricated from cemented tungsten carbide compositions with enhanced properties
An earth working tool, such as a mining and construction cutter bit, has an elongated body, and a working element, such as a hard tip attached on a forward end of the body. The working element or...
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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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4847044 |
Method of fabricating a metal aluminide composite
A softer metal such as aluminum, or a metal forming a metal aluminide, or an alloy containing these metals is added to a metal aluminide composite during fabrication to promote easy consolidation...
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4844988 |
Diamond composite and method for producing the same
A diamond composite combined with a cobalt-containing substrate, comprising: a sintered mass of diamond, in which practically all the diamond particles are joined immediately with adjacent...
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4837089 |
High hardness composite sintered compact
A composite sintered compact consisting of a sintered body portion, which contains at least one of high density boron nitride and diamond, and a cermet or metal portion bonded to the sintered body...
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4833039 |
Hermetic feedthrough in ceramic substrate
A process for producing an hermetic feedthrough in a ceramic substrate by providing a sheet of liquid phase sinterable ceramic composition having a feedthrough hole, filling the feedthrough hole...
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4830931 |
Diffusion aluminizing and pack therefor
Diffusion aluminizing with chromium or silver chloride, bromide or iodide that is not significantly soluble in or reactive with water. Hydrogen can be excluded from diffusion aluminizing atmosphere...
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4830930 |
Surface-refined sintered alloy body and method for making the same
There are disclosed a surface refined sintered alloy body which comprises a hard phase containing at least one selected from the group consissting of carbides, carbonitrides, carbooxides,...
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4812370 |
Surface coated tungsten carbide-base sintered hard alloy material for inserts of cutting tools
A surface coated tungsten carbide-base sintered hard alloy material for inserts of cutting tools having excellent wear resistance and toughness comprising (1) a substrate having an internal...
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4797326 |
Supported polycrystalline compacts
Disclosed is a process for fabricating a composite polycrystalline diamond or cubic boron nitride (CBN) compact. Briefly, the process is conducted by mating a pre-formed sintered polycrystalline...
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4797155 |
Method for making metal matrix composites
A metal matrix composite is produced by plastically deforming a metal powder, either or after blending the powder with ceramic fibers, and compacting the mixture at elevated temperatures to achieve...
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4781989 |
Surface-coated cutting member
A surface-coated cutting member includes a substrate, a metal layer vapor-deposited on a surface of the substrate and a hard coating vapor-deposited on the metal layer. The substrate is made of...
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4778730 |
Method of applying non-slip coating to tools and resulting product
The working surface of a tool such as the tip of a screwdriver is provided with a non-slip coating by means of hard abrasive particles which are bonded to the tool with a brazing alloy.
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4775598 |
Process for producing hollow spherical particles and sponge-like particles composed therefrom
A process is described in which hollow spheres or hollow-sphere composites (moldings) having high-strength walls are produced. Additional layers are applied to metallized spherical lightweight...
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4766040 |
Temperature resistant abrasive polycrystalline diamond bodies
Temperature resistant abrasive polycrystalline diamond bodies are described, intended for use as tools in various mechanical operations like turning, milling, drilling, sawing and drawing, having...
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4764341 |
Bonding of pure metal films to ceramics
The bonding of nickel, cobalt, copper or any number of metals to oxide ceramics is achieved whereby the substrate and associated metallurgy are co-sintered. The invention teaches the use of an...
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4761344 |
Vehicle component part
A rocker arm of a valve mechanism of an automotive internal combustion engine is composed of a rocker arm tip secured to a rocker arm main body. The rocker arm tip includes a sheet type sintered...
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4761345 |
Aluminum nitride substrate
There is disclosed an aluminum nitride substrate which comprises a substrate composed of an aluminum nitride sintered product; an electroconductive metallized layer composed of titanium nitride and...
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4752535 |
Aluminium-based article having a protective ceramic coating, and a method of producing it
Described are an aluminium-based article having a heat and corrosion protective coating, especially engine parts such as piston crown or cylinder head, and a method of preparing said article. The...
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4745033 |
Oxidation resistant coatings for molybdenum
A molybdenum article is disclosed in which the substrate thereof has adherently bonded thereto a thermally self-healing plasma-sprayed coating consisting essentially of a composite of molybdenum...
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4743512 |
Method of manufacturing flat forms from metal powder and product formed therefrom
A method of manufacturing a flat form from blended metallic powder including a major constituent by weight having a high melting point and a minor constituent by weiht having a substantially lower...
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4731296 |
Diamond-coated tungsten carbide-base sintered hard alloy material for insert of a cutting tool
A diamond-coated tungsten carbide-base sintered hard alloy material for inserts of cutting tools, which has greatly improved bond strength or degree of bonding of the diamond coating layer to the...
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4726842 |
Metallic materials re-inforced by a continuous network of a ceramic phase
A cermet material comprises an intergrown network of a minor proportion of ceramic such as TiB 2 in a metal matrix such as Al. The cermet is prepared by forming a minor proportion by weight of a...
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4715892 |
Cermet substrate with glass adhesion component
The present invention is directed to a cermet material comprising a matrix of metal or alloy with ceramic particles distributed therein. The cermet includes a glass binder for bonding between the...
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4714641 |
Ferromagnetic films for high density recording and methods of production
A ferromagnetic film for magnetic recording comprises a copper substrate having particles of iron and iron oxides dispersed in the surface layer of the copper. The particles have maximum dimensions...
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