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8066500 |
High pressure, high temperature back-up with a circumferential relief
In one aspect of the present invention, a cartridge assembly for connection to the frame of a high-pressure, high-temperature press comprises a front end comprising a back-up intermediate and...
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7601403 |
Preparation of dense nanostructured functional oxide materials with fine crystallite size by field activation sintering
A method for preparing highly dense functional oxides with crystallite size in the range of 10-20 nm. Using a high pressure modification of a the Spark Plasma Sintering (SPS) technique, rapid...
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7540732 |
High pressure press
In one aspect of the invention, a cartridge assembly is adapted for connection to a frame of a high pressure, high temperature press having a front end with a back up intermediate and coaxial with...
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7467937 |
Preloaded threads for a high-temperature high-pressure press
In one aspect of the present invention, a high-temperature, high-pressure press apparatus has a cartridge assembly adapted for connection to a unitary frame. An anvil is attached at a front end of...
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7467936 |
Radial compression element for a HTHP cartridge
A cartridge assembly for connection to a frame of a high temperature, high pressure press, having an anvil at a front end of a cylindrical body of the cartridge and a hydraulic chamber within the...
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6200515 |
One-step synthesis and consolidation of nanophase materials
Solid reaction products with a dense nanocrystalline structure are formed from reactant particles with diameters in the nano-scale range by compacting the particles into a green body, then passing...
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5878323 |
Process for producing split type mechanical part
A plurality of blanks divided at a division end face 5 or a blank-bonded product comprising a plurality of blanks sintered and bonded together are or is compressed in the same mold, so that they...
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5794113 |
Simultaneous synthesis and densification by field-activated combustion
A method for preparing a highly dense product from a powdered mixture of reactants, whereby simultaneous application of a high current and pressure enables synthesis and densification of a variety...
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5722037 |
Process for producing Ti/TiC composite by hydrocarbon gas and Ti powder reaction
There is provided a process for producing titanium composite, comprising the steps of: molding titanium powder, titanium alloy powder, or powder comprising titanium into a certain shape by a cold...
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5590393 |
Neutron-absorbing material and its production process
The invention relates to a neutron-absorbing material and to its production process.This material comprises a homogeneous, boron carbide matrix 1 in which are dispersed e.g. pseudospherical, 150 to...
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5579532 |
Rotating ring structure for gas turbine engines and method for its production
A composite jet engine compressor ring is made by casting a tape reinforced with ceramic fibers, winding the cast tape around a mandrel to form an unconsolidated ring, heating the ring to drive off...
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5529746 |
Process for the manufacture of high-density powder compacts
The invention relates to a process for pressing electrically conductive powders to high-density compacts in dimensionally stable pressing molds, whereby the achievable compression density is...
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5445789 |
Method and apparatus for degreasing and compacting electrically conductive material
A plunger charged as an electrode is received in a trough charged as a counter-electrode in order to heat material in the trough above the annealing temperature of metal material or the sintering...
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5399311 |
Radial anisotropic ring magnet with a sinusoidal waveform and producing method thereof
A magnet is formed as a ring magnet and magnetized by radial application of a magnetic field while the intensity of the magnetic field is changed periodically along the circumference of the ring...
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5304342 |
Carbide/metal composite material and a process therefor
A sintered product useful for abrasion- and impact-resistant tools and the like is provided comprising an iron-group metal binder and refractory metal carbide particles, e.g. tungsten carbide,...
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5098650 |
Method to produce improved property titanium aluminide articles
A method for producing titamium alloy articles having a desired microstructure which comprises the steps of: (a) providing a prealloyed gamma titanium aluminide alloy powder; (b) filling a suitable...
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4981512 |
Methods are producing composite materials of metal matrix containing tungsten grain
A composite material comprising a metal matrix containing tungsten grain is roduced from tungsten powders formed by plasma rapid solidification. The powders comprise tungsten and up to 20 weight...
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4921554 |
Joining of porous silicon carbide bodies
A method of joining two porous bodies of silicon carbide is disclosed. It entails utilizing an aqueous slip of a similar silicon carbide as was used to form the porous bodies, including the...
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4857267 |
Aluminum base bearing alloy and method of producing same
The invention provides an aluminum base bearing alloy which is excellent in both lubricating capability and fatigue resistance and is useful, e.g. in automotive engines. The bearing alloy consists...
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4834917 |
Encapsulation of waste materials
Waste material such as toxic compounds, radioactive waste materials and spent nuclear fuel rods are encapsulated in a container system which is subjected to a hot pressure process to cause a...
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4808337 |
Hot pressing of bellows like canisters
A compressible bellows type metal canister is used in a hot pressing process for immobilizing high level radioactive nuclear waste material in the form of synthetic rock, the canister comprises a...
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4778626 |
Preparation of particulate radioactive waste mixtures
A dry, pourable particulate mixture of nuclear waste and synthetic rock-forming components is produced by supplying the rock forming components in dry particulate form to a mixer, supplying the...
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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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4756752 |
Compacted powder article and method for making same
A method for forming a high density body from a powder material of metallic and non-metallic compositions and combinations thereof comprising confining a quantity of the powder material in a...
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4713871 |
Method for producing amorphous alloy shaped articles
Amorphous alloy shaped articles having excellent magnetic properties, high hardness and strength, or high corrosion resistance can be obtained by a method, wherein amorphous alloy or atomized alloy...
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4704250 |
Method for making boron carbide cermets
A method for synthesizing low density cermets of boron carbide and a metal binder, using decomposition of a metallic compound at controlled temperature and pressure.
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4702782 |
High modulus shafts
High modulus turbine shafts are described as are the process parameters for producing these shafts. The shafts have a high modulus as a result of having high modulus <111> crystal texture in the...
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4673549 |
Method for preparing fully dense, near-net-shaped objects by powder metallurgy
A method of manufacture of objects by consolidation of powdered metals, alloys, ceramics, or their mixtures is disclosed. The method comprises the steps of preparing a shaped, preferably ceramic,...
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4645624 |
Containment and densification of particulate material
Particulate material is poured into a container which is decay and heat resistant, the container is sealed and subjected to axial compression at elevated temperature to cause densification of the...
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4640814 |
Method for producing clad tubular product
A powder-metallurgy method for producing tubular product having at least one surface and preferably an internal surface thereof clad with an alloy different from and preferably more resistant to...
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4612161 |
Fabrication of metallic glass structures
Amorphous metal powders or ribbons are fabricated into solid shapes of appreciable thickness by the application of compaction energy. The temperature regime wherein the amorphous metal deforms by...
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4601877 |
Press sintering process for green compacts and apparatus therefor
A green compact (17) preheated to a predetermined temperature in a heating furnace (16) is inserted into a container comprising a press table (20) and a hollow cylinder (25), and molten glass (33)...
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4594219 |
Powder metal consolidation of multiple preforms
The method of producing a metallic, ceramic, or metal ceramic, part, employing powdered material, that includes: (a) forming two or more oversize powder material preforms respectively corresponding...
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4554130 |
Consolidation of a part from separate metallic components
A method of consolidating metallic body means comprises (a) applying to the body means a mixture of: (i) metallic powder (ii) fugitive organic binder (iii) volatile solvent (b) drying the mixture,...
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4536366 |
Sintering method and apparatus
Sintering method and apparatus. A pre-sintered or compacted mass of particulate material is densified by loading the mass into a substantially closed three-dimensional space defined by three pairs...
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4518441 |
Method of producing metal alloys with high modulus of elasticity
A method for producing metal alloys with improved properties such as a high modulus of elasticity, includes: (a) mixing fine metal powders and blending and milling said mix to a homogeneous...
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4492671 |
Method for consolidation of iron-based alloy powder by cyclic phase transformation under pressure
A powder metallurgical method of consolidating iron-based alloy powder, particularly white cast iron, to form a body of high density in which the powder is thermally cycled above and below the...
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4490329 |
Implosive consolidation of a particle mass including amorphous material
A method for the implosive consolidation into a solid body of a mass of free particles, which mass consists, selectively, entirely of amorphous particles, or a mixture of amorphous and nonamorphous...
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4478787 |
Method of making dispersion strengthened metal bodies and product
A process and a product produced thereby, for forming rod or bar or tube stock or strip, comprising a sheath and a densified dispersion strengthened metal core. Powdered dispersion strengthened...
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4414028 |
Method of and apparatus for sintering a mass of particles with a powdery mold
A particulate mass to be sintered is imbedded in a mold which comprises a porous mass of particulate refractory material enclosed within a flexible membrane. Six press units are provided for...
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4368074 |
Method of producing a high temperature metal powder component
A method is provided for producing a fully dense high temperature powdered metal component. This process comprises the steps of filling a centrally located mold cavity with a high temperature...
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4273581 |
Sintering method
A mass of particulate material is sintered or densified by applying a first pressure to the mass in a first direction, applying a second pressure to the mass in a second direction which is...
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3656946 |
ELECTRICAL SINTERING UNDER LIQUID PRESSURE
A method of electrical sintering of a mass particles of conductive or nonconductive powder in which the powder is compacted between the electrode by means of liquid pressure applied through a...
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3525607 |
ALLOY SYSTEMS AND PROCESS FOR THE MANUFACTURE THEREOF
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3681061 |
FULLY DENSE CONSOLIDATED-POWDER SUPERALLOYS
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3340055 |
Method for producing compacted articles having large length to diameter ratios
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3284195 |
Method of fabricating articles from powders
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3150413 |
High pressure presses and components thereof
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3134139 |
High pressure apparatus
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3081498 |
Explosive method of powder compaction
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