Patent application number | Description | Published |
20110083374 | BONDED ABRASIVE ARTICLE AND METHOD OF FORMING - An abrasive article having an abrasive body including abrasive grains contained within a bond material, wherein the abrasive grains comprise microcrystalline alumina, and wherein the bond material includes less than about 1.0 mol % phosphorous oxide (P | 04-14-2011 |
20110131888 | BONDED ABRASIVE ARTICLE AND METHOD OF FORMING - An abrasive article includes an abrasive body having abrasive grains within a bond material, the abrasive body further including a spinel material disposed at an interface between the abrasive grains and the bond matrix. | 06-09-2011 |
20110131889 | BONDED ABRASIVE ARTICLE AND METHOD OF FORMING - An abrasive article including an abrasive body having abrasive grains made of microcrystalline alumina contained within a bond material, wherein the bond material comprises a total content of alumina of at least about 15 mol %. | 06-09-2011 |
20110185690 | SIC/GLASS-CERAMIC COMPOSITE FILTER - The invention relates to a filter of which the filtering portion is made from an inorganic material comprising grains of SiC bonded by a vitroceramic phase, to form a porous structure of which the apparent porosity is between 20 and 70%, said vitroceramic bonding phase comprising at least the following components, in molar percentage of the total oxides present in said phase:
| 08-04-2011 |
20110200909 | THIN, FINE GRAINED AND FULLY DENSE GLASS-CERAMIC SEAL FOR SOFC STACK - A solid oxide ceramic includes a substrate defining a surface, the substrate including at least one material selected from the group consisting of yttria-stabilized zirconia (YSZ), lanthanum strontium titanate (LST), lanthanum strontium manganite (LSM), and nickel oxide-YSZ composite. The solid oxide ceramic further includes a seal coating at least a portion of the surface, the seal including a Sanbornite (BaO.2SiO | 08-18-2011 |
20110212827 | FUSED CERAMIC PRODUCT - Process for manufacturing a product, including the following successive steps:
| 09-01-2011 |
Patent application number | Description | Published |
20080222965 | BONDED ABRASIVE ARTICLE AND METHOD OF MAKING - A bonded abrasive article is provided which includes abrasive grains made of cubic boron nitride within a bond matrix including a silicate. The bonded abrasive further includes a reaction product at the interface between the abrasive grains and bond matrix comprising a transition metal nitride. | 09-18-2008 |
20080222967 | BONDED ABRASIVE ARTICLE AND METHOD OF MAKING - A bonded abrasive article is provided that includes abrasive grains within a bond matrix, the abrasive grains including cubic boron nitride (cBN) and the bond matrix including a polycrystalline ceramic phase. The bonded abrasive may have a Modulus of Rupture (MOR) of not less than about 40 MPa. Certain embodiments may have porosity, such as greater than about 5.0 vol %. | 09-18-2008 |
20090197135 | Multilayer glass-ceramic seals for fuel cells - A fuel cell includes a ceramic component and a sealing component. The sealing component includes a first glass-ceramic layer over the ceramic component and a second glass-ceramic layer over the first glass-ceramic layer, each of the first and the second glass-ceramic layers independently including between about 0.5% and about 50% glass phase content by volume. The first glass-ceramic layer includes a higher glass phase content than the second glass-ceramic layer, and between about 0.5% and about 10% glass stabilizer component by weight. In a method of sealing a ceramic component of a fuel cell, a first coat is applied over a first ceramic component of the fuel cell, the first coat including SiO | 08-06-2009 |
20090313906 | High porosity vitrified superabrasive products and method of preparation - A vitrified superabrasive product includes a superabrasive component and a vitrified bond component in which the superabrasive component is dispersed, wherein the vitrified bond component defines pores occupying greater than about 50% of the total volume of the vitrified superabrasive product. The vitrified superabrasive product can be in the form of a grinding tool, such as a grinding wheel. A superabrasive mixture includes a glass powder, a superabrasive grit, a binder and a silicon carbide. The mixture can be in the form of a green body, which is fired under an atmosphere and pressure, and at a temperature sufficient to form a porous vitrified superabrasive product. | 12-24-2009 |
20090314034 | FLOAT PROCESS FOR A GLASS-CERAMIC - The invention relates to a process for manufacturing a flat ribbon of precursor glass for a glass-ceramic, comprising the continuous floating of the molten glass on a bath of molten metal in a float chamber, said glass being poured in the molten state at a temperature above its devitrification onset temperature onto the molten metal upstream of the chamber, said glass progressively forming a ribbon that runs along said metal bath, the cooling rate of the glass being at least 18° C./min between, on the one hand, the moment when the glass is at the theoretical temperature for which the devitrification rate is a maximum and, on the other hand, the later moment when the glass is at the theoretical temperature at which the devitrification crystal growth rate becomes less than 1 micron per minute. The glass thus floated does not undergo any devitrification. | 12-24-2009 |
20090325472 | CHEMICAL MECHANICAL PLANARIZATION PAD CONDITIONER AND METHOD OF FORMING - A CMP pad conditioner including a substrate having a transparency window represented by an average internal transmittance of not less than about 90% over a wavelength range extending from about 400 nm to about 500 nm along a path length extending through the substrate of not less than about 10 mm a bonding layer overlying a surface of the substrate, and abrasive grains contained within the bonding layer. | 12-31-2009 |
20100154315 | BONDED ABRASIVE ARTICLES AND METHODS OF FORMING - A method of forming an abrasive article includes forming a mixture comprising a liquid carrier and a glass precursor material, wherein the glass precursor material comprises a material selected from the group of materials consisting of a hydrated metal compound, an organic silicate compound, or a combination thereof. The method further includes providing abrasive grains within the mixture, forming the mixture into a green ceramic body, and heating the green ceramic body to form a bonded abrasive article comprising the abrasive grains contained within a bond matrix, wherein the bond matrix comprises an amorphous phase formed from the glass precursor material. | 06-24-2010 |