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Document Title |
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7569176 |
Method for making a sintered superhard prosthetic joint component
Use of Ti and Nb cemented in TiC in prosthetic joints, such as prosthetic joint components made from sintered superhard materials.
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7556763 |
Method of making components for prosthetic joints
Carbides as substrates in prosthetic joints, particularly in sintered polycrystalline diamond compacts and sintered cubic boron nitride compacts.
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7538055 |
Transparent zirconia sintered body
A primary sintered body having a density of 95 % or more obtained by sintering a zirconia powder comprising an yttria main component as a stabilizer under ordinary pressure is set in a vessel of a...
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7517491 |
Processes and methods of making boron carbide
High-density components and products as well as processes for making high-density components and products are disclosed. One exemplary component, among others, includes a boron carbide component...
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7459122 |
Methods of forming aluminum oxynitride-comprising bodies, including methods of forming a sheet of transparent armor
The invention includes methods of forming an aluminum oxynitride-comprising body. For example, a mixture is formed which comprises A:B:C in a respective molar ratio in the range of...
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7399722 |
Alumina/zirconia ceramics and method of producing the same
Composite ceramics having a high strength, a high toughness and an excellent abrasion resistance, and a method of producing the same. The composite ceramics comprises 10 to 30 mass % of a zirconia...
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7285241 |
Method of manufacturing hard material components
The present invention relates to a method of making a sintered body comprising one or more hard constituents in a binder phase by injection molding or extrusion. According to the invention, the...
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7094718 |
ESD dissipative ceramics
This invention relates to a dense ceramics having ESD dissipative characteristics, tunable volume and surface resistivities in semi-insulative range (10 3 -10 11 Ohm-cm), substantially pore free,...
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6878456 |
Polycrystalline translucent alumina-based ceramic material, uses, and methods
A polycrystalline translucent aluminum oxide ceramic material having an average grain size of no greater than 1.0 micron and a Contrast Ratio value of less than about 0.7. The material can be in...
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6861130 |
Sintered polycrystalline gallium nitride and its production
Polycrystalline gallium nitride (GaN) characterized by having the atomic fraction of gallium ranging from between about 49% to 55%, an apparent density of between about 5.5 and 6.1 g/cm 3 , and a...
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6843943 |
Method of producing bioactive composite materials
The present invention relates to a method of producing improved bioactive composite materials based on apatite, mainly for supporting functions in dental and orthopaedic applications, by adapting...
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6787235 |
Consolidated amorphous carbon materials, their manufacture and use
A carbon based material produced from the consolidation of amorphous carbon by elevated temperature compression. The material having unique chemical and physical characteristics that lend...
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6764619 |
Solid freeform fabrication of lightweight lithography stage
A method of making an EUV lithography stage structure includes depositing a layer of a Ti doped SiO 2 glass powder in a confined region to provide an underlying layer; applying a binder to form a...
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6737010 |
Process for heat treating ceramics
A process for making a heat treated ground ceramic cutting tool and the resultant cutting tool. The process includes the steps of: providing an uncoated ground ceramic cutting tool having at least...
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6613270 |
Method of forming superconducting composite article
A novel process of the production and processing of high quality, high T c BSCCO or (Bi,Pb)SCCO superconductors starts with fabrication of a forming a bundle including a plurality of billets, each...
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6355211 |
Method for manufacturing high performance components
A method for producing high performance components by the consolidation of powdered materials under conditions of hot isostatic pressure. The method uses the inclusion of reactive materials mixed...
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6348428 |
High-purity crystalline inorganic fiber, molded body thereof, and method of production thereof
A crystalline inorganic fiber or molded body thereof is thermally treated in gas atmosphere containing chlorine. The crystalline inorganic fiber or molded body thereof contains small impurities...
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6309594 |
Metal consolidation process employing microwave heated pressure transmitting particulate
A method of consolidating metal powder to form an object, includes: a) pressing the powder into a preform, and preheating the preform to elevated temperature, b) providing flowable pressure...
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6210633 |
Method of manufacturing articles of complex shape using powder materials, and apparatus for implementing this method
The present invention offers a novel method of manufacturing articles of a complex shape by subjecting powder material to Hot Isostatic Pressing (HIP). The method involves manufacturing a capsule...
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6187253 |
Method of preparing indium oxide/tin oxide target for cathodic sputtering
An indium oxide/tin oxide powder with 5-15 wt. % tin oxide is subjected to an annealing treatment at T≥1, 000° C. and is then partially reduced and subjected to hot isostatic pressing to produce...
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6080341 |
Process for making an indium-tin-oxide shaped body
A process for making an indium-tin-oxide shaped body, comprising: (a) filling an indium-tin-oxide powder into a first flexible mold, the indium-tin-oxide powder having a specific BET surface of at...
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6001756 |
Process for making a silicon carbide sintered body
A silicon carbide sintered body according to the present invention is a silicon carbide sintered body having a density of 2.9 g/cm 3 or higher, obtained by means of hot pressing a mixture of...
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5900207 |
Solid freeform fabrication methods
A fused deposition process is used to form three-dimensional solid objects from a mixture including a particulate composition dispersed in a binder. The article is formed by depositing the mixture...
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5854158 |
ZrO.sub.2 based ceramic material and method of producing the same
A ZrO 2 based ceramic material having excellent mechanical strength and fracture toughness comprises a first phase of ZrO 2 grains containing CeO 2 as a stabilizer and having an average grain...
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5849242 |
Boron nitride
Boron nitride articles are made by heat treating turbostratic BN powder to reduce its oxygen content to 5-8% (mesographitic BN), washing this heat-treated powder, mixing it with 5-8% amorphous...
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5827470 |
Method for preparing a zirconia/zirconium diboride composite
Preparing an electrically conductive ceramic composite by the steps of: 1) mixing and milling tetragonal zirconia alloy or a composite of zirconia-alumina with zirconium diboride, and 2)...
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5733489 |
Method of producing titanium suboxide articles
A method of making an article which includes a suboxide of titanium, the method involving binding Magneli phase powder into the shape of an article and subjecting the bonded shape to heat treatment...
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5700418 |
Method of manufacture of components made of sintered indium-tin-oxide solid-solution crystals
A component made of sintered oxides of indium and tin and a method of manufacturing such a component. The mean size of the oxide particles is larger than 2 μm. The empirical density of the...
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5565156 |
Method of making a ceramic body
There is disclosed a method of making a ceramic body where the body is sintered together from compacted parts to form a body with desired shape. The compacted parts are made of powder with less...
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5306673 |
Composite ceramic material and method to manufacture the material
The present invention relates to a method to manufacture a composite ceramic material having a high strength combined with bioactive properties, when the material is used as a dental or orthopedic...
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5284616 |
Method for isostatic or pseudo-isostatic pressing employing a surrounding casing of glass
A method for the manufacture of objects from powdered material by isostatic or pseudo-isostatic pressing. A porous body (10), with open pores in contact with the external surface(s), is preformed...
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5096518 |
Method for encapsulating material to be processed by hot or warm isostatic pressing
Described herein is a method of encapsulating a material to be processed by warm or hot isostatic pressing, and an apparatus suitable for practicing the method, which basically includes the steps...
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5089197 |
Manufacture of shaped articles from sinterable powder
It is known to obtain from a sinterable powder (e.g., of silicon nitride+metallic oxide sintering aid) a shaped article with at least 95% theoretical density, by the hot isostatic pressing of a...
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5080843 |
Method of manufacturing an object of a powdered ceramic material
An object is manufactured from a powdered ceramic material while using isostatic pressing. The powdered material is thereby supplied with a temporary organic binder and is formed into a preformed...
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5066438 |
Method of producing silicon nitride sintered body
A method of producing a silicon nitride sintered body which comprises using an amorphous Si 3 N 4 powder having a mean particle size of 5 to 50 nm, a nitrogen content of 30 to 39 wt. %, an oxygen...
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5051218 |
Method for localized heating and isostatically pressing of glass encapsulated materials
A method for consolidating or densifying material selected from metal, ceramic or mixtures thereof to form a densified compact article, which process includes (a) arranging the sample to be...
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4997683 |
Method for increasing the density of an article
Process for increasing the density of an article. A coating containing boron nitride and carbon is applied to the article to form a coated article. The coated article is encapsulated. The...
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4983339 |
Process for shaping a material by hot isostatic pressing and titanium sheath usable in this process
The invention relates to a process for shaping a material by isostatic compression at a temperature of at least 1300° C. of a powder of said material in a tight sheath. The sheath is made from...
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4960550 |
Encapsulation method for hot isostatic pressing
The encapsulation of ceramic preforms (10) for HIP processing is considerably simplified, and the use of standard laboratory glassware as encapsulation material is made possible, by placing...
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4957901 |
Method of manufacturing an object from superconductive material
A method of making an object of superconductive material in the form of an oxide by isostatic pressing of a body preformed from a powder material with an oxygen-containing pressure medium at a...
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4952353 |
Hot isostatic pressing
A process for densifying porous articles comprises providing a non-reactive container with a green article and sufficient solid encapsulating agent selected from the group consisting of tin and the...
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4908173 |
Process for preparation of dense molded bodies of polycrystalline aluminum nitride without use of sintering aids
The invention is a molded body of polycrystalline aluminum nitride having a density of at least 99.8% TD and comprising: TBL ______________________________________ at least 99 % by weight A1N up...
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4904624 |
Silicon nitride with improved high temperature strength
The flexural strength and stress rupture life of isostatically hot pressed silicon nitride containing between 1 and 12 weight percent of rare earth oxide and not more than 0.5 weight percent...
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4883639 |
Method of manufacturing an object of a powdered material by isostatic pressing
An object is manufactured of a powdered material by isostatic pressing of a body (10), preformed from the powdered material, whereby the preformed body is surrounded by a casing (16) which at least...
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4778650 |
Method for the manufacture of an object of a powdered material by isostatic pressing
In the manufacture of an object of a powdered material by isostatic pressing of a body (10) preformed from the powdered material with a gaseous pressure medium, the preformed body is provided with...
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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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4656002 |
Self-sealing fluid die
A preformed body (12) from powder material of metallic and nonmetallic compositions and combinations thereof, is consolidated to form a densified compact (12") of a predetermined density. An outer...
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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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4596694 |
Method for hot consolidating materials
A quantity of material (10), which is at less than a predetermined density, is disposed within a sealed container (12) which is, in turn, disposed in a first thermal jacket (32) to retain the heat...
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4564601 |
Shaped polycrystalline silicon carbide articles and isostatic hot-pressing process
The invention is substantially pore-free shaped articles which consist essentially of polycrystalline α- or β-silicon carbide in the form of a single-phase homogeneous microstructure having grain...
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