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| Number | Title | Issue Date |
| 8058197 | Carbon composite materials comprising particles of metal carbides dispersed therein and method for producing the same This invention provides carbon composite materials, which comprise metal carbide particles, at least the particle surfaces or the entirety of which are metal carbides, synthesized in situ from a metal source, i.e., at least one member selected from the group compris... | 11/15/2011 |
| 7989380 | High resistivity SiC material with B, N and O as the only additions A dense silicon carbide (SiC) material with boron (B), nitrogen (N) and oxygen (O) as the only additives and with excellent insulting performance (electrical volume resistivity greater than 1×108 Ω·cm). The SiC ceramic material, made from a powder mix ... | 08/02/2011 |
| 7833921 | Composite material and method of manufacturing the same A composite material according to the invention includes X parts by volume of boron carbide, Y parts by volume of silicon carbide, and Z parts by volume of silicon as main components, wherein 10 | 11/16/2010 |
| 7803732 | Compositions for improved ceramic armor The present invention contemplates the addition of zirconium compounds to well known ceramic ballistic materials to increase resistance to penetration by projectiles. In the preferred embodiments of the present invention, the zirconium compound that is employed cons... | 09/28/2010 |
| 7335331 | Method for making ceramic plates Compositions and methods of making ceramic plates are described. The compositions are water-based slurries that include filler material, one or more clay components, one or more strength or processing additives, and/or a carbon source. The filler material can includ... | 02/26/2008 |
| 7332221 | Boron carbide composite bodies, and methods for making same A composite body produced by a reactive infiltration process that possesses high mechanical strength, high hardness and high stiffness has applications in such diverse industries as precision equipment and ballistic armor. Specifically, the composite material featur... | 02/19/2008 |
| 7235505 | Carbide and nitride ternary ceramic glove and condom formers A slip-cast article former containing ternary ceramics, particularly of carbide and nitride materials, having the formula Mn+1AXn(MAX), where M is a transition metal, A is an element from Groups IA and IVA of the periodic table, X is nitrogen o... | 06/26/2007 |
| 7217907 | Stick resistant cooking utensils Durable, stick resistant, stain resistant, dishwasher safe, and thermal shock resistant cooking utensils produced from a MAX phase and methods for their production are provided. ... | 05/15/2007 |
| 7195722 | Compositions for ceramic igniters Ceramic igniter compositions are provided that contain components of conductive material and insulating material, where the insulating material component includes a relatively high concentration of metal oxide. Ceramic igniters of the invention are particularly effe... | 03/27/2007 |
| 7157393 | Carbide and nitride ternary ceramic glove and condom formers A slip-casted article former containing ternary ceramics, particularly of carbide and nitride materials, having the formula M.sub.n+1AX.sub.n (MAX), where M is a transition metal, A is an element from Groups IIIA and IVA of the periodic table, X is nitrogen or carbo... | 01/02/2007 |
| 7153340 | Process for manufacturing nano-phase TaC-transition metal based complex powder Ultra fine TaC-transition metal based complex powder is prepared by: dispersing a mixture of a Ta-containing material and a transition metal-containing water soluble salt into a solvent; stirring the mixture and spray-drying the stirred material to obtain precursor ... | 12/26/2006 |
| 7128850 | Electrically conductive Si-Ti-C-N ceramics Composite materials containing silicon, titanium, carbon, and nitrogen, formed by spark plasma sintering of ceramic starting materials to a high relative density, demonstrate unusually high electrical conductivity as well as high-performance mechanical and chemical ... | 10/31/2006 |
| 7104177 | Ceramic-rich composite armor, and methods for making same Silicon infiltration technology, e.g., siliconizing or reaction-bonding, is used to produce ceramic-rich composite bodies having utility as ballistic armor. In the main embodiment of the invention, the ballistic armor includes a reaction-bonded silicon carbide body ... | 09/12/2006 |
| 7008695 | Metal non-oxide coated substrates Layered metal non-oxide coated substrates are disclosed comprising a three dimensional inorganic substrate having a coating of metal non-oxide derived from a pre-associated coating on at least a portion of all three dimensions thereof, produced by a unique process h... | 03/07/2006 |
| 6995103 | Toughness enhanced silicon-containing composite bodies, and methods for making same A silicon-containing composite body that would otherwise be brittle can be engineered to exhibit enhanced fracture toughness. Specifically, a silicon-ceramic composite body is produced, preferably by a reactive infiltration technique. The ceramic is selected such th... | 02/07/2006 |
| 6955532 | Method and apparatus for the manufacture of high temperature materials by combustion synthesis and semi-solid forming An apparatus and method of producing dense, near net shape components of advanced materials such as intermetallics, ceramics, and their composites. The method consists of two major steps combined into one. First step includes the preparation of semi-solid or liquid ... | 10/18/2005 |
| 6936565 | Modified carbide and oxycarbide containing catalysts and methods of making and using thereof Compositions including modified carbide-containing nanorods and/or modified oxycarbide-containing nanorods and/or modified carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous structures including modified oxyca... | 08/30/2005 |
| 6935618 | Valve component with multiple surface layers A sliding component, particularly a disk valve plate. The sliding component includes a multi-layer surface structure comprising a strengthening layer harder than the substrate material, and an amorphous diamond top layer. ... | 08/30/2005 |
| 6905992 | Ceramic body reinforced with coarse silicon carbide whiskers and method for making the same A ceramic composite made by compacting a starting powder blend. The composite includes between about 50 volume percent and about 99 volume percent of a ceramic matrix; and between about 1 volume percent and about 50 volume percent as-processed silicon carbide whiske... | 06/14/2005 |
| 6903313 | Resistance heating element for extreme temperatures An electrical resistance heating element operable at extremely high temperature, up 2300° C. when used in a vacuum or in a reducing atmosphere, and up to bout 1200° C. when used in an oxidizing atmosphere. The element is formed substantially from titanium silicon ... | 06/07/2005 |
| 6887809 | Open-celled silicon carbide foam ceramic and method for production thereof The invention relates to the field of ceramics and open-celled silicon carbide foam ceramics, which can find application, for example, as high temperature- and thermal shock-resistant silicon carbide foam. The aim of the invention is to disclose an open-celled silic... | 05/03/2005 |
| 6844281 | Reinforcement preform for metal matrix composites A preform for use in a metal matrix composite, particularly for a magnesium metal composite. In the preform the reinforcing material typically is silicon carbide, boron nitride, titanium nitride, carbon or graphite. The binder used in the preform is sintered magnesi... | 01/18/2005 |
| 6770583 | Transistion metal containing ceramic with metal nanoparticles A transition metal-containing ceramic made by the process comprising the step of pyrolyzing an organometallic linear polymer containing at least one metallocenylene unit, at least one silyl or siloxyl unit, and at least one acetylene unit to form a ceramic; where th... | 08/03/2004 |
| 6762140 | Silicon carbide ceramic composition and method of making The present application is directed to ceramic compositions and, more specifically, to a silicon carbide composition and method of making it through liquid phase sintering. In one embodiment, the present invention is directed to an unsintered ceramic body including ... | 07/13/2004 |
| 6680267 | Silicon carbide ceramic composition and method of making The present application is directed to ceramic compositions and, more specifically, to a silicon carbide composition and method of making it through liquid phase sintering. In one embodiment, the present invention is directed to an unsintered ceramic body... | 01/20/2004 |
| 6670294 | Corrosion-resistive ceramic materials and members for semiconductor manufacturing Corrosion-resistive ceramic materials include a silicon based ceramic, wherein a percentage of respective metal elements other than metal elements constituting sintering agents and silicon is not more than 10 weight ppm. The corrosion-resistive ceramic ma... | 12/30/2003 |
| 6660673 | Use of particulate materials containing TiO2 in refractory products In order to reduce wear on refractory linings due to corrosion and the infiltration of slags and molten metals, particulate materials containing TiO2 are added to the refractory products consisting of a mixture of aggregates and binding agents.... | 12/09/2003 |
| 6461989 | Process for forming 312 phase materials and process for sintering the same A process is provided for forming a material comprising an M3 X1 Z2 phase comprising the steps of: (a) providing a mixture of (i) at least one transition metal species, (ii) at least one co-metal species selected from the ... | 10/08/2002 |
| 6398991 | Processes for making a silicon carbide composition Exemplary silicon carbide ceramic bodies having inclusions therein are produced according to the invention. An exemplary ceramic body includes silicon carbide in major amounts and unreacted particles of an additive in minor amounts which are bonded to the... | 06/04/2002 |
| 6258741 | Corrosion-resistant member This invention relates to a corrosion-resistant member used in a region in which a gas or a plasma of a halogen-containing compound is used, in a process for producing semiconductors, especially a member used as jigs such as a supporter for supporting a m... | 07/10/2001 |
| 6204213 | Whisker reinforced ceramic cutting tool and composition thereof A ceramic composition produced by the consolidation of a blend of starting components. The composition comprises a matrix with one or more of the carbides, nitrides and carbonitrides of hafnium, molybdenum, zirconium, tantalum, niobium, vanadium and tungs... | 03/20/2001 |
| 6069101 | Boron carbide/silicon carbide ceramics Ceramic composites of silicon carbide (SiC) grains and boron carbide (B.s4 C) grains which are uniformly coated with SiC are produced by reacting stoichiometric mixtures of silicon boride (SiB4, SiB6) and carbon (graphite or carbon ... | 05/30/2000 |
| 6030912 | Sintered hard material A sintered hard material according to the invention comprises 0.02 to 0.10 wt % of one or more metals selected from the group consisting of Fe, Co and Ni, 0.3 to 3.0 wt % of one or more compounds selected from the group consisting of carbides, nitrides an... | 02/29/2000 |
| 6004671 | Reinforcement for composite material and composite material using the same A reinforcement for composite materials is disclosed, which comprises a number of filaments of inorganic long fiber and glass and/or glass ceramic present in the gaps among the filaments and having a wire or tape form. Also disclosed is a metallic or cera... | 12/21/1999 |
| 5998318 | Sintered silicon carbide with graphite added thereto, sintered composite containing the same, and mechanical seal There is provided a sintered silicon carbide with graphite added thereto having excellent lubrication characteristics. The sintered silicon carbide with graphite added thereto contains 10-30 wt. % of natural graphite flakes having an average grain size of... | 12/07/1999 |
| 5942455 | Synthesis of 312 phases and composites thereof Products having single phases or solid solutions of the formula M3 X1 Z2 wherein M is a transition metal, X is Si, Al or Ge and Z is B, C or N can be prepared by taking a powdered mixture containing M, X and Z to a tempera... | 08/24/1999 |
| 5894066 | Boron carbride/silicon carbide ceramics Ceramic composites of silicon carbide (SiC) grains and boron carbide (B.s4 C) grains which are uniformly coated with SiC are produced by reacting stoichiometric mixtures of silicon boride (SiB4, SiB6) and carbon (graphite or carbon ... | 04/13/1999 |
| 5858899 | Aluminum oxide based sintered body An aluminum oxide based sintered body and a method for manufacturing the same are disclosed. The aluminum oxide based sintered body is composed of silicon compounds in particulate form of from about 5 to about 40 mole %, calculated as a carbide, which is ... | 01/12/1999 |
| 5856251 | Castable refractory for slide gate Castable refractory for a slide gate plate is mainly formed of alumina raw material and amorphous carbon raw material of 2 to 15 wt %, and contains silicon carbide and/or boron carbide, the total content thereof being equal to 0.5 to 10 wt % (the content ... | 01/05/1999 |
| 5852088 | Nanoporous ceramics with catalytic functionality The present invention provides for amorphous, nanoporous, catalytic metal-containing ceramic material having a surface area in excess of 70 m2 /gm and characterized by a high content of open microporous cell structure wherein the micropores hav... | 12/22/1998 |
