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7595274 Sintered body, magnetic head slider, and method of manufacturing sintered body  
A sintered body for a magnetic head slider, which can reduce differences in level of an air bearing surface while yielding a high strength, a magnetic head slider using the same, and a method of...
7592279 Boron carbide and boron carbide components  
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...
7557054 Boron carbide sintered body and protective member  
The compressive strength of a boron carbide sintered compact is improved by controlling crystals of the boron carbide to a polycrystalline structure having a grain size distribution in which coarse...
7550401 Method of making lightweight high performance ceramic material  
A method of making a sintered ceramic composition includes the steps of: providing a powder that includes at least 50 wt. % boron carbide and 0.05 wt. % to 30 wt. % of at least one oxide selected...
7446978 Magnetic slider and method of manufacturing magnetic head slider  
The magnetic head slider material of the present invention is constituted by a sintered body containing 100 parts by weight of alumina, 20 to 120 parts by weight of titanium carbide, and 0.2 to 9...
7442661 Boron carbide based sintered compact and method for preparation thereof  
A boron carbide based sintered body having a four-point flexural strength of at least 400 MPa and a fracture toughness of at least 2.8 MPa·m 1/2 , which has the following two preferred...
7419925 Lightweight high performance ceramic material  
A sintered ceramic composition includes at least 50 wt. % boron carbide and at least 0.01 wt. % of at least one element selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy...
7410923 SiC material, semiconductor device fabricating system and SiC material forming method  
A highly corrosion-resistant SiC material is formed on a base body by a CVD process. The SiC material contains β-SiC crystals so oriented that the ratio of the sum of peak intensities of x-ray...
7407903 Material for high temperatures  
The present invention relates to a material for use at temperatures exceeding 1200° C. and in oxidizing atmospheres consisting generally of an alloy between a metal, aluminium (Al) and carbon (C)...
7402540 Ceramic body containing alumina and boron carbide  
A ceramic body that includes between about 15 volume percent and about 35 volume percent of a boron carbide irregular-shaped phase, and at least about 50 volume percent alumina, and the ceramic...
7381670 Material for magnetic head slider, magnetic head slider, and method of producing material for magnetic head slider  
A material for a magnetic head slider according to the present invention is a magnetic head slider material comprised of a sintered body containing alumina and titanium carbide, in which an area...
7375044 Process for making a ceramic body containing alumina and boron carbide  
A process for making a ceramic body that includes the following steps: providing a starting powder mixture, the starting powder mixture comprises between about 15 volume percent and about 35 volume...
7345849 Magnetic head slider material, magnetic head slider, and method of manufacturing magnetic head slider material  
The magnetic head slider material of the present invention is constituted by a sintered body containing 100 parts by weight of alumina, 20 to 150 parts by weight of titanium carbide and silicon...
7335615 Method of machining a workpiece using a ceramic cutting insert including alumina and boron carbide  
A method of machining a workpiece including the steps of providing a workpiece; providing a ceramic cutting insert having a rake surface and a flank surface wherein the rake surface and the flank...
7309672 Lightweight boron carbide materials with improved mechanical properties and process for their manufacture  
This disclosure describes sintered bodies comprising about 90 wt % to about 99 wt % of boron carbide, having a B:C atomic ratio ranging from 3.8 to 4.5:1; 0 to 1 wt % free carbon; 0 to 1 wt % BN or...
7294596 Sintered ceramic material with improved properties and method for its manufacturing  
A sintered ceramic material comprises a crystalline phase and an intergranular phase comprising a glass phase. The material is manufactured from a starting powder being mixed with an additive...
7217674 Alumina-boron carbide ceramics and methods of making and using the same  
A ceramic body, as well as a method of making the ceramic body, wherein in one aspect a hot-pressing method is used to produce the ceramic body. In another aspect, a sintering to full density...
7196028 Sliding device, fluid dynamic pressure bearing, and motor using the same  
The present invention provides sliding members respectively having sliding surfaces opposed to each other for creating dynamic pressure in a fluid, in which the sliding surfaces are formed of...
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 n +1AX n (MAX), where M is a transition metal, A is an element from...
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...
7112549 Low thermal expansion ceramic and member for exposure system  
A low-thermal-expansion, rigid and wear-resistant ceramic is provided. The low-thermal-expansion ceramic of the invention includes 60 vol % to 99.9 vol % of at least one selected from the group...
7112547 Highly heat-resistant inorganic fiber-bonded ceramic component and process for the production thereof  
Production processes of an inorganic fiber-bonded ceramic component comprising inorganic fibers mainly comprising Si, M, C and O, an inorganic substance mainly comprising Si and O and boundary...
7094821 Method of making tungsten carbide based hard metal tools or components  
Preparation, handling, and spray drying, in an economic and environmentally-friendly way, of slurries for the production of tungsten carbide based hard metal tools or components by the powder...
7087544 Nano-ceramics and method thereof  
Disclosed herein is a method to produce ceramic materials utilizing the sol-gel process. The methods enable the preparation of intimate homogeneous dispersions of materials while offering the...
7081424 High-strength, highly thermally conductive sintered compact of cubic boron nitride  
The present high-strength, highly thermally conductive sintered compact of cubic boron nitride contains cubic boron nitride (cBN) grains and a binder binding the grains. More specifically, it is...
7056849 Nanoscale ordered composites of covalent ceramics for high-temperature structural applications via block-copolymer-assisted assembly and method of making  
A method of making nanoscale ordered composites of covalent ceramics through block copolymer-assisted assembly. At least one polymeric precursor is mixed with a block copolymer, and self-assembly...
7022175 Initial solids mixture for a later organic coating application  
An initial solids mixture for a later organic coating, such as pigmented coatings, films, priming coats, etc., e.g., for a coil coating method in which an initial solids mixture is applied to a...
6984454 Wear-resistant member having a hard composite comprising hard constituents held in an infiltrant matrix  
A tough wear-resistant hard member that includes a hard composite member and a support that has a surface area adjacent to the hard composite member wherein the hard composite member is affixed to...
6964932 Silicon carbonitride with spinel structure  
A compound having a space spinel structure and the formula Si3-x Cx N4 wherein 0<x≦1. An example of the compound is spinel silicon carbonitride. The compound of the invention may be made by...
6953538 Electroconductive low thermal expansion ceramic sintered body  
An electroconductive low thermal expansion ceramic sintered body is disclosed which containing a β-eucryptite phase in a quantity of not less than 75 vol. % and not more than 99 vol. % and having...
6936102 SiC material, semiconductor processing equipment and method of preparing SiC material therefor  
A highly corrosion-resistant SiC material is formed on a base body by a CVD process. The SiC material contains β-SiC crystals so oriented that the ratio of the sum of peak intensities of x-ray...
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...
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...
6896968 Coatings and method for protecting carbon-containing components from oxidation  
A protective coating for a carbon-containing component comprises a material selected from the group consisting of non-stoichiometric silicon and carbon; non-stoichiometric silicon and oxygen;...
6841508 Carbide and oxycarbide based compositions, rigid porous structures including the same, methods of making and using the same  
Compositions including oxycarbide-based nanorods and/or carbide-based nanorods and/or carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous...
6814775 Sintered compact for use in machining chemically reactive materials  
A sintered cubic boron nitride (cBN) compact for use in a tool is composed of between about 60 and 80 vol-% cBN having a volumetric mean particle size of between about 3 to 6 μm and between about...
6777360 Ceramic material, method of producing same, and formed product thereof  
A ceramic material suitable for use in production of paving tiles, construction tiles, flooring in offices, flooring in machinery plants and so forth is obtained by a method comprising steps of...
6770584 Hybrid aerogel rigid ceramic fiber insulation and method of producing same  
A hybrid insulation material comprises of porous ceramic substrate material impregnated with nanoporous material and method of making the same is the topic of this invention. The porous substrate...
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...
6746748 Honeycomb structure and process for production thereof  
A honeycomb structure made of a silicon carbide-based porous body and having a number of through-holes extending in the axial direction, separated by partition walls. The strength and Young's...
6740611 Alumina-based composite sintered material, wear resistant member and a method of manufacturing alumina based composite sintered material  
An alumina-based composite sintered material comprising alumina as a main ingredient and containing one or more carbonitridation products of groups IVa, Va and VIa of the periodic table and/or two...
6736875 Composite cordierite filters  
Composite cordierite honeycomb structures especially suitable for diesel exhaust filtration applications comprise a non-oxide polycrystalline phase constituting 10-70% by weight, with the remainder...
6716782 Rigid insulation and method of producing same  
A porous ceramic fiber insulating material and method of making a material having a combination of silica (SiO 2 ) and alumina (Al 2 O 3 ) fibers, and boron-containing powders is the topic of the...
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 TiO 2 are added to the refractory products...
6642165 Wear resistant member for electronic equipment, and bearing and spindle motor therewith  
Wear resistant member for electronic equipment comprises a silicon nitride sintered body that contains conductivity enhancing particles, and has electrical resistivity in the range from 1 to 10 5 ...
6635593 High strength sintered impact having excellent resistance to cratering  
A sintered material containing high-pressure phase-type boron nitride and a binder is provided. The high-pressure phase-type boron nitride is contained in an amount of from 50% to 78% by volume,...
6620756 Ceramic matrix composite cutting tool material  
A reinforcing material is uniformly dispersed in a yttrium aluminum garnet matrix material for use as a machine tool material specially suited for machining Ti or a Ti alloy. The matrix material...
6617271 Tungsten carbide cutting tool materials  
The disclosed invention describes a new high-performance binderless high purity tungsten carbide material, its manufacturing and applications as a cutting tool material.
6589305 Fused aluminum oxycarbide/nitride-Al2O3 • rare earth oxide eutectic abrasive particles, abrasive articles, and methods of making and using the same  
Fused abrasive particles comprising eutectic material. The fused abrasive particles can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and...
6551954 WC-base composite ceramic sintered compact  
A WC-based composite ceramics sintered body consisting of 40 volume % to 90 volume % of WC including solid-solved oxygen represented by a chemical formula of WC x O y (where...