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4861546 |
Method of forming a metal article from powdered metal
A container for holding powdered metal is formed by electroplating a layer of metal over a pattern having a configuration which corresponds to the configuration of an article to be formed. A rigid...
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4857411 |
Composite body and method of manufacturing the same
The invention provides a method of manufacturing a composite body. A bonding portion is formed in a sintered ceramic body. A metal body obtained from a powder containing a metal powder as a main...
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4855102 |
Sintering method
A sintering method and fusion welding method of the present invention are characterized in that energy is radiated to the black component of starting materials so as to convert it from the state of...
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4855101 |
Process for coating prostheses of titanium and titanium alloys
Particles are sinter-fused onto the surface of a prosthesis shaft of titanium or titanium alloys. Before sinter-fusing, a coating material which forms below the α-β-transition temperature a...
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4855103 |
Method for manufacturing metallic products from powder by hot isostatic pressing using ceramic cores
Method of manufacturing metal products from a powder (19) which is received in a mould cavity formed by a gas-tight casing (10, 11, 12, 13) and is isostatically hot pressed in the casing to form a...
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4849163 |
Production of flat products from particulate material
A process for producing flat products from gas atomised particulate material comprises the steps of forming a relatively smooth castable slurry comprising a suspension of such particulate material...
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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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4844863 |
Method of producing clad metal
A method of producing clad metal comprises the steps of forming a cladding on the surface of a metal substrate by subjecting powder of a metal which is of a different type from that of the metal...
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4830819 |
Composition for fixing metal powder molding at sintering
A composition for fixing a metal powder molding at sintering, which is used, in the case of disposing a metal powder molding formed by rolling a mixture of a metal powder and a synthetic...
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4820481 |
Method for the continuous fabrication of hydrogen storage alloy negative electrodes
An improved method for the continuous fabrication of metal-hydride, electrochemical, hydrogen storage alloy, negative electrodes for use in rechargeable nickel metal hydride cells. The improved...
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4820141 |
Method for the manufacture of formed products from powders, foils, or fine wires
A method for forming non-equilibrium and/or metastable metallic or non-metallic powder, foil or fine wire material into a solid body comprises charging the material into a metal container,...
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4818628 |
Process for making composite bearing material produced thereby
A process for making a composite bearing material comprising a steel backed, prealloyed, lead-bronze sintered powder metal matrix whereby the first sinter step includes induction heating the...
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4810462 |
Method for fabricating prescribed flaws in the interior of metals
The method for fabricating a metal body having a flaw of predetermined size and shape located therein comprises placing half of the metal powder required to make the metal body in the die of a...
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4799419 |
Multi-cylinder hydraulic piston device, a cylinder therefor, and its method of making
A cylinder block for a multi-cylinder hydraulic or hydrostatic piston device is provided having a control layer comprising a sintered friction metal layer sintered onto the cylinder block under the...
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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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4783898 |
Method of producing a shaft having plate-like member joined thereto
A method of producing a shaft having plate-like member joined thereto comprises the steps of forming a through hole in the plate-like member, forming an annular groove in the inner surface of the...
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4770283 |
Friction ring for clutches or brakes, and a method and device for producing the friction ring
A friction ring for clutches and brakes consists of an annular metal element having at least one cylindrical or conical friction surface comprising a spray-sintered friction lining. The friction...
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4770849 |
Dynamically loading solid materials or powders of solid materials
Solid materials are dynamically loaded by impact with a piston (10) fired at the material (11) in a suitable support (12) wherein a "punch", (22) a body of material introducing an impedance...
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4768441 |
Subcaliber segmented sabot projectile and manufacturing process
Form-locking means and process for joining same to a subcaliber projectile in a peripheral region thereof. The form-locking means consists of a material in the form of a n-phase sintered alloy...
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4767372 |
Process for the production of a porous pressed part
To improve the homogeneity of the porosity of a concave-convex pressed part with minimized mass, a pre-compressed pressed part with plane frontal surfaces is produced in a first process step. This...
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4758404 |
Method of producing composite material for sliding member
In a method of producing a composite material for a sliding member having a sliding portion and a backing material which supports the sliding portion, the method comprises the steps of: disposing a...
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4756677 |
Method of manufacturing a weapon barrel
The weapon barrel comprises a liner and at least one jacket tube. The liner is made of a highly wear-resistant material, like a cobalt or nickel base alloy, and the jacket tube is made of a tough...
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4747225 |
Weapon barrel with metallorgically bonded wear resistant liner
The weapon barrel comprises a liner and at least one jacket tube. The liner is made of a highly wear-resistant material, like a cobalt or nickel base alloy, and the jacket tube is made of a tough...
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4748059 |
Assembly for producing extrusion-clad tubular product
A powder-metallurgy method and assembly for producing tubular product having at least one surface and preferably an interior surface thereof clad with an alloy different from and preferably more...
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4748088 |
Tool die blank and manufacturing method thereof
The invention relates to a blank for a tool die, made of compound steel with a core of high speed steel and a surrounding ring of a different steel, said ring bringing about a prestress in the...
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4746373 |
Method of manufacturing compound superconductors
A powder having a predetermined composition is filled in a tube. The tube is drawn to obtain a wire and the wire is rolled to obtain a tape-like starting body. Then, a laser beam is irradiated on...
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4729871 |
Process for preparing porous metal plate
A process for preparing a porous metal plate is disclosed which is adapted to use short metal fiber to prepare the plate. The process is capable of providing a porous metal plate which has...
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4729789 |
Process of manufacturing an extruder screw for injection molding machines or extrusion machines and product thereof
A process of making a composite of a sintered layer on a metal core member, such as an extruder screw having a sintered hard layer on a steel core, by charging a green compact sintering powder...
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4724120 |
Method for the assembly of and the interconnection by diffusion of bodies of metal alloys
A method for the assembly and connection of bodies, massive parts or powder grains, of alloys comprising at least 50% of nickel, cobalt or iron, comprises a preliminary operation of deposition at...
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4722825 |
Method of fabricating a metal/ceramic composite structure
A method of producing a metal/ceramic composite structure in which an uncolidated metal or metal alloy powder is loaded into a sealable glass mold comprising a hollow ceramic sleeve and a sealable...
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4721598 |
Powder metal composite and method of its manufacture
A powder metal composite made up of first and second powder metal bodies assembled in a mold cavity with the bodies separated by a divider ring and with the bodies being in concentric relationship...
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4720371 |
Rotary drill bits
A method of manufacturing by a powder metallurgy process a rotary drill bit including a bit body having an external surface on which cutting elements are mounted, and a passage for supplying...
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4719076 |
Tungsten carbide chips-matrix bearing
A blend of tungsten carbide powder and cemented tungsten carbide cobalt chips is loaded into a cavity surrounding a steel bearing blank and infiltrated with a copper base infiltrant to create a...
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4713215 |
Process for sintering powdered material in a continuous furnace
The powdered material contains oxygen in the oxide and/or adsorbed form and the oxygen present is reduced in a first pre-sintering stage and the cohesion of the material is ensured in a second...
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4710344 |
Method of forming a getter assembly
Getter assembly having an annular channel for containing getter material, the bottom of the channel being provided with an annular, integral, groove of bulb-shaped cross-section extending into said...
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4710235 |
Process for preparation of liquid phase bonded amorphous materials
A process for bonding together two or more pieces of material, at least one of which is an amorphous material, wherein an intermediate interlayer is placed between the two pieces and the assembly...
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4705577 |
Nuclear fuel element containing low-enrichment uranium and method for producing same
A plate-shaped high power nuclear fuel element containing low enrichment uranium (5 to 20 percent by weight uranium 235 in the uranium component) as fissionable material, the fuel element...
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4704249 |
Process for producing a superconducting wire having a Chevrel phases
The invention relates to a process for producing a superconducting wire, using, e.g., Chevrel phases as superconductors, in particular PbMo 6 S 8 . Until now, it was not possible to produce...
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4702884 |
Glass-lined pipes
A method of producing a glass-lined metal pipe in which an unconsolidated tal or metal alloy powder is loaded into a sealable glass mold comprising a graphite core, a glass sleeve slipped over the...
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4686080 |
Composite compact having a base of a hard-centered alloy in which the base is joined to a substrate through a joint layer and process for producing the same
A composite compact component made of a composite compact consisting of a diamond or BN powder bonded to a hard sintered alloy base during a sintering operation, and a substrate composed of steel...
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4683118 |
Process and apparatus for manufacturing a pressed powder body
A process and apparatus for producing a pressed powder body from at least two different kinds of ultrafine particles. Ultrafine particles of at least two different materials are uniformly mixed...
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4681733 |
Process for fixing alloy powder molding at sintering
A method for fixing an alloy powder molding at sintering composition by placing an alloy powder molding formed by rolling a mixture of an alloy powder and a synthetic resin-based pressure-sensitive...
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4681734 |
Heat spraying material and manufacturing process thereof
A powdery material is prepared by atomization from a molten alloy having the following composition in weight percent: chromium: 10-30; aluminium: 1-25; carbon: less than 0.5; nickel: less than 10;...
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4680160 |
Method of forming a rotor
An improved method of forming a rotor includes the steps of hot isostatically pressing powdered metal to form disc-shaped hub sections. Each of the hub sections has a rim portion with a relatively...
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4678633 |
Process for forming a sintered layer on a substrate of iron-based material
A process for forming a sintered layer on a substrate of an iron-based material containing carbon. A sheet of powders of an alloy is prepared by mixing the powders with a solution of resin and...
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4676843 |
Process for joining component workpieces made of a superalloy employing the diffusion bonding process
Two component workpieces (1, 3) consisting of different superalloys or of the same superalloy are bonded together to form a monolithic whole, with the insertion of a layer 1-2 mm thick consisting...
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4670215 |
Process for forming a wear-resistant layer on a substrate
There is disclosed a process for forming a wear-resistant, sintered layer on a metallic substrate. The process comprises steps of adhesively attaching to a surface of metallic substrate an alloy...
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4657822 |
Fabrication of hollow, cored, and composite shaped parts from selected alloy powders
Alloy powder is packed into a mold which comprises a complex-shaped solid aphite inner core and a similarly complex-shaped thin glass outer wall. The mold is evacuated, sealed, and then heated to...
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RE32389 |
Method of producing a lined structure
The method of forming a lining in the cavities of a body by application of powdered metal consolidated and bonded thereon by a hot isostatic pressing process. A space lining the cavities in the...
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4644942 |
Production of porous coating on a prosthesis
Preselected surface areas of a prosthesis are covered by a blend of matching primary metallic particles and expendable particles. The particles are compressed and heated to assure that deformation...
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