Patent application number | Description | Published |
20090020902 | SILICON CARBIDE BASED POROUS MATERIAL AND METHOD FOR PRODUCTION THEREOF - A silicon carbide-based porous material characterized by comprising silicon carbide particles as an aggregate, metallic silicon and an oxide phase containing Si, Al and an alkaline earth metal; it is high in porosity and strength and superior in oxidation resistance and thermal shock resistance and, when used as a filter, is very low in risk of having defects such as cuts (which cause leakage of fluid) and the like, as well as in pressure loss. | 01-22-2009 |
20090022942 | HONEYCOMB SEGMENT, HONEYCOMB STRUCTURE AND PROCESS FOR PRODUCING THE SAME - A honeycomb structure which effectively prevents generation of defects such as cracks by thermal stress during use and regeneration and has excellent durability is provided. In a honeycomb structure | 01-22-2009 |
20090022943 | BONDED BODY, BONDING MATERIAL COMPOSITION, HONEYCOMB SEGMENT BONDED BODY, AND HONEYCOMB STRUCTURE USING THE SAME - There is provided a bonding material composition capable of suppressing crack generation on an end face of a resultant honeycomb structure to a large extent by reducing anisotropy of Young's modulus after curing of the bonding material by the use of an isotropic filler without using inorganic fibers. The bonded body has two or more members unitarily bonded by means of a bonding material layer, and the relational expression of 0.501-22-2009 | |
20090029103 | POROUS OBJECT BASED ON SILICON CARBIDE AND PROCESS FOR PRODUCING THE SAME - A silicon carbide-based porous article comprising silicon carbide particles as an aggregate, metallic silicon and an aggregate derived from siliceous inorganic particles to form pores through volume shrinkage by heat treatment, wherein the porosity is 45 to 70%, and the average pore diameter is 10 to 20 μm is provided. Also provided is a method for producing a silicon carbide-based porous article, comprising; adding inorganic particles to form pores through volume shrinkage by heat treatment to a raw-material mixture containing silicon carbide particles and metallic silicon, then forming into an intended shape, calcinating and firing the resultant green body, forming pores through volume shrinkage of the inorganic particles by heat treatment, and the shrunk inorganic particles being present as an aggregate in the porous article. | 01-29-2009 |
20090065982 | METHOD OF MANUFACTURING A POROUS MATERIAL - According to the present invention, a porous material comprising a connected structure formed by combining silicon carbide which is in the form of aggregate particles with cordierite which is a combining material in a state to hold a large number of pores, and having a porosity of 52 to 70% and a median pore diameter of 15 to 30 μm, and is a porous material having a high porosity and a high strength and having a remarkably low possibility of including defective portions such as cuts and the like causing liquid leakage in a case where the material is used as a filter. | 03-12-2009 |
20090131253 | CATALYST ELEMENT AND MANUFACTURING METHOD THEREOF - A catalyst body including a catalytic material containing an alkali metal and/or an alkaline earth metal, a carrier carrying the catalytic material, and a method of manufacturing the catalyst body are provided. The carrier has a cordierite binder phase and aggregate phases dispersed in the cordierite binder phase. | 05-21-2009 |
20090169805 | POROUS FIRED BODY AND MANUFACTURING METHOD THEREOF - A porous fired body including a structure that aggregates are bonded by a bonding material, wherein the aggregates include oxide particles having a larger thermal capacity per unit volume than an SiC particle and SiC, the bonding material includes metallic Si, volume ratio of the metallic Si in the whole porous fired body is between 8 and 43% by volume, volume ratio of the particles of the oxide in the whole aggregates is between 14 and 55% by volume, the SiC particles and the oxide particles respectively include one or more particle groups, and an average particle size of each particle group is within a range of between 5 and 100 μm. | 07-02-2009 |
20090176043 | SILICON CARBIDE BASED POROUS MATERIAL AND METHOD FOR PREPARATION THEREOF - A silicon carbide based porous material, which contains a metal silicide in an amount of 1 to 30% by mass and having a porosity of 38 to 80%, is provided. | 07-09-2009 |
20100243557 | ALUMINA POROUS BODY AND METHOD OF PRODUCING THE SAME - An alumina porous body has a porosity of 15 to 45% and an average pore size of 2 to 15 μm includes 5 to 30 mass % of titanium oxide and at least one element selected from the group consisting of copper, manganese, calcium, and strontium, the total content of oxides of the at least one element being 1.5 mass % or less. | 09-30-2010 |
20110244176 | CERAMIC CLAY, CERAMIC FORMED ARTICLE, AND CERAMIC STRUCTURE, AND MANUFACTURING METHODS THEREOF - The ceramic clay is available by kneading a forming raw material containing a ceramic forming material. The forming raw material contains, in addition to the ceramic forming material, a layered double hydroxide represented by a predetermined chemical formula in an amount of from 0.01 to 5 mass % based on the total amount of them. The layered double hydroxide turns into a gel by dispersing it in water and when it is dispersed in water at a concentration of 6 mass %, it has a viscosity of from 1000 to 20000 mPa·s. | 10-06-2011 |
20140361229 | VOLTAGE NONLINEAR RESISTOR - The present invention provides a voltage nonlinear resistor containing zinc oxide as a major component, wherein the degree of orientation f(100) of the (100) plane of zinc oxide is 0.40 or lure and is represented by the following equation: f(100)=I(100)/(I(100)+I(002)+I(101)), where I(hkl) represents the peak intensity (integral) of a (hkl) plane. | 12-11-2014 |