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| Number | Title | Issue Date |
| 8148282 | Method of solid PCBN sythesis The invention generally relates to a sintered CBN composite compact having a non-CBN portion. The compact includes about 86 to about 90% CBN and the non CBN portion contains borides and nitrides of Al. The compact is for use as a cutting tool insert in continuous ma... | 04/03/2012 |
| 8124553 | Composite sintered body The composite sintered body of the invention is a composite sintered body, containing 20 volume % or more and 80 volume % or less of cubic boron nitride particles, and a binder; wherein the binder contains at least one selected from the group consisting of nitrides,... | 02/28/2012 |
| 8105966 | Cutting tool insert The present invention relates to a cutting tool insert preferably for machining of hardened steel, hot and cold working tool steel, die steel, case hardened steel, high speed steel and ductile grey cast iron and composed of a composite comprising from about 30 to le... | 01/31/2012 |
| 8067323 | Sintered compact A sintered cubic boron nitride (cBN) compact for use in a tool is obtained by sintering a mixture of (i) cubic boron nitride, (ii) aluminum oxide, (iii) one or more refractory metal compounds, and (iv) aluminum and/or one or more non-oxide aluminum compounds. The si... | 11/29/2011 |
| 7932199 | Sintered compact A sintered cubic boron nitride (cBN) compact for use in a tool is obtained by sintering a mixture of (i) cubic boron nitride, (ii) aluminum oxide, (iii) one or more refractory metal compounds, and (iv) aluminum and/or one or more non-oxide aluminum compounds. The si... | 04/26/2011 |
| 7670980 | Cubic boron nitride cutting tool insert with excellent resistance to chipping and edge fracture A cutting tool insert which can, for example, be used for machining of hardened steel, hot and cold working tool steel, die steel, case hardened steel, high speed steel and ductile grey cast iron and composed of a composite comprising a cBN-phase and a binder phase ... | 03/02/2010 |
| 7632768 | Ceramics sintered and exothermic body for metal vapor deposition A ceramics sintered body improved in corrosion resistance to a molten metal and a method for producing such a ceramics sintered body. The ceramics sintered body includes boron nitride, titanium diboride, a calcium compound and titanium nitride and having a relative ... | 12/15/2009 |
| 7524785 | Cubic boron nitride sintered body The present invention provides a cubic boron nitride sintered body, which achieves both of superior chipping resistance and wear resistance. In accordance with a first aspect of the present invention, a cubic boron nitride (cBN) sintered body contains cubic boron ni... | 04/28/2009 |
| 7427428 | Interphase for ceramic matrix composites reinforced by non-oxide ceramic fibers A ceramic matrix composite material is disclosed having non-oxide ceramic fibers, which are formed in a complex fiber architecture by conventional textile processes; a thin mechanically weak interphase material, which is coated on the fibers; and a non-oxide or oxid... | 09/23/2008 |
| 7404832 | Method for producing cubic boron nitride abrasive grains The present invention relates to a method for producing cubic boron nitride abrasive grains used for producing a grinding wheel, etc., and to cubic boron nitride abrasive grains. The method comprises maintaining a mixture containing hexagonal boron nitride and seed ... | 07/29/2008 |
| 7381681 | Method for increasing the strength of porous ceramic bodies and bodies made therefrom A porous ceramic body having increased strength is formed by exposing a porous ceramic body to a source of boron and heating the porous body to a sufficient temperature in an oxygen containing atmosphere to form the porous ceramic body. The porous ceramic body has a... | 06/03/2008 |
| 7381680 | Method for increasing the strength of porous ceramic bodies and bodies made therefrom A porous ceramic body having increased strength is formed by exposing a porous ceramic body to a source of boron and heating the porous body to a sufficient temperature in an oxygen containing atmosphere to form the porous ceramic body. The porous ceramic body has a... | 06/03/2008 |
| 7354652 | Corrosion-resistant member and producing method thereof A corrosion-resistant member, which is exposed to a corrosive environment is provided. The corrosion-resistant member is made of a corrosion-resistant material that contains at least one of an oxide of calcium and aluminum, and a calcium aluminum oxide. The corrosio... | 04/08/2008 |
| 7348286 | Ceramic composite material and method of its manufacture Ceramic composite material that has excellent mechanical properties within a range from room temperature to high temperature and high die release with respect to glass, resins, ceramics, and similar substances. The ceramic composite material is composed of a ceramic... | 03/25/2008 |
| 7341702 | Process for producing boron nitride A process for producing boron nitride of high purity and high thermal conductivity, wherein a oxygen-containing boron compound is reacted with a nitrogen-containing source in the presence of a dopant at a temperature of at least 1000° C. for at least one hour, and ... | 03/11/2008 |
| 7319079 | Container for evaporation of metal and method to manufacture thereof A refractory container for evaporating metals, having significantly improved useful life and corrosion resistance properties, said container consists essentially of a refractory boride, boron nitride, and about 0.10 to 10 wt. % of a rare earth metal compound selecte... | 01/15/2008 |
| 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 AlN, remainder an oxide binder phase; said sintered body having a un... | 12/18/2007 |
| 7297649 | Silicoboroncarbonitride ceramics and precursor compounds, method for the production and use thereof The present invention relates to novel alkylhalosilylaminoboranes, in particular alkylchlorosilylaminoboranes, which make it possible to adjust the viscosity of polyborosilazane compounds by varying the number of reactive centers, to novel borosilazane compounds, to... | 11/20/2007 |
| 7279222 | Solid-state hydrogen storage systems Improved hydrogen storage materials are disclosed. A first material comprises a hydrogen storage nanomaterial that contains nanoparticles or nanoparticle clusters of a metal that is capable of combining with hydrogen to form a metal hydride. The nanomaterials may be... | 10/09/2007 |
| 7208433 | Ceramic plates for side DAMS of twin-drum continuous strip casters Ceramic plates for side dams of twin-drum continuous strip casters comprising a REAG phase of 10 to 90 vol. %, a Sialon phase of 5 to 50 vol. %, a BN phase of 5 to 50 vol. % and an amorphous phase of over 0 to 20 vol. %, with the REAG phase comprising at least one r... | 04/24/2007 |
| 7189774 | Method for making high thermal diffusivity boron nitride powders The present invention relates to a method for making boron nitride powder having a thermal diffusivity of from about 0.14 cm2/s to about 0.20 cm2/s. This method involves pressing high purity, hexagonal boron nitride having an average platelet s... | 03/13/2007 |
| 7166550 | Ceramic composite body of silicon carbide/boron nitride/carbon A ceramic composite body comprising sintered silicon carbide as major phase, dispersed boron nitride/carbon granules as minor phase, and the boron nitride/carbon granules comprise hexagonal phase boron nitride powders bonded together by glassy carbon. The composite ... | 01/23/2007 |
| 7160825 | Machinable ceramic A high-strength machinable ceramic capable of high-precision fine machining has a coefficient of thermal expansion close to that of silicon and preferably a uniform blackish color which facilitates image processing of machined parts. The ceramic comprises a main con... | 01/09/2007 |
| 7112235 | Cubic boron nitride base ultra-high pressure sintered material cutting tip A cutting insert exhibiting excellent chipping resistance made of cubic boron nitride based ultra-high pressure sintered material. The cutting insert made of cubic boron nitride based ultra-high pressure sintered material exhibits, in a structural observation using ... | 09/26/2006 |
| 7098159 | Articles for casting applications comprising ceramic composite and methods for making articles thereof A refractory article for use in casting operations wherein said article is subject to prolonged contact with molten metal of at least 1500° C. for at least three hours, said article comprises a ceramic composite consisting essentially of about 10 to about 40 wt. % ... | 08/29/2006 |
| 7083758 | Free flowing dry back-up insulating material Disclosed is a free flowing dry back-up material which comprises: from 67 to 96% by weight of fly-ash; from 2 to 15% by weight of a heat sensitive binder such as boric acid; from 2 to 7% by weight ... | 08/01/2006 |
| 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 formed of at least 40% by volume and at most 85% by volume of cBN grain... | 07/25/2006 |
| 7063812 | Consolidation and densification methods for fibrous monolith processing Methods for consolidation and densification of fibrous monolith composite structures are provided. Consolidation and densification of two- and three-dimensional fibrous monolith components having complex geometries can be achieved by pressureless sintering. The fibr... | 06/20/2006 |
| 7063250 | Coating forming method and coating forming material, and abrasive coating forming sheet A brazing filler metal sheet is prepared. The brazing filler metal sheet includes a brazing filler metal layer, a sticking material layer, and a released paper. The brazing filler metal layer includes a brazing filler metal. A coating material layer is laminated on ... | 06/20/2006 |
| 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 of the mixture proceeds through an annealing process. During the annea... | 06/06/2006 |
| 7014826 | Method for producing cubic boron nitride and product obtained through the method A method for producing cubic boron nitride includes maintaining hexagonal boron nitride in the presence of a catalyst substance under conditions where cubic boron nitride remains thermodynamically stable to thereby transform hexagonal boron nitride into cubic boron ... | 03/21/2006 |
| 7008893 | Silicon nitride-based composite sintered body and producing method thereof The present invention provides a silicon nitride-based sintered body having excellent mechanical properties from room temperature to a medium-low temperature range, a low friction coefficient and excellent wear resistance; a raw material powder for the sintered body... | 03/07/2006 |
| 6967179 | Process for manufacturing boron nitride fibers from borylborazines The aim of the present invention is a process for manufacturing boron nitride fibers, in particular continuous boron nitride fibers with good mechanical properties, which may be used for producing ceramic composite materials such as BN/BN composites, thermostructura... | 11/22/2005 |
| 6962876 | Method for forming a low-k dielectric layer for a semiconductor device A method for forming a low-k dielectric layer for a semiconductor device using an ALD process including (a) forming predetermined interconnection patterns on a semiconductor substrate, (b) supplying a first and a second reactive material to a chamber having the subs... | 11/08/2005 |
| 6951583 | Highly delaminated hexagonal boron nitride powders, process for making, and uses thereof The present invention relates to a powder comprising boron nitride particles having an aspect ratio of from about 50 to about 300. The present invention also relates to a method of making delaminated boron nitride powder. This method involves providing boron nitride... | 10/04/2005 |
| 6933509 | Apparatus and method using fractionated irradiation to harden metal The present invention provides an apparatus for hardening a metal article, comprising a holding device, an energy beam generator pointed at the holding device for directing energy beams at the holding device, and a cycling system supporting the holding device, where... | 08/23/2005 |
| 6919286 | Aluminum nitride ceramics, members for use in a system for producing semiconductors, and corrosion resistant members An aluminum nitride ceramic is provided, including 0.5 to 10 weight percent of boron atoms and 0.1 to 2.5 weight percent of carbon atoms. The ceramic has a room temperature volume resistivity not lower than 1×1014Ω·cm, and a volume resistivity at 500°... | 07/19/2005 |
| 6919036 | Nonaborate compositions and their preparation A family of borate compounds containing an isolated (finite) nonaborate anion with the structural formula [B9O12(OH)6]3−. Preferred amine nonaborate compounds have a resolved oxide formula of A2O.3B2 | 07/19/2005 |
| 6884742 | Aluminum nitride ceramics, members for use in a system for producing semiconductors, corrosion resistant members and conductive members An aluminum nitride ceramic is provided, containing boron atoms in an amount of not lower than 1.0 weight percent and carbon atoms in an amount of not lower than 0.3 weight percent and having a volume resistivity at room temperature of not higher than 1×1012 | 04/26/2005 |
| 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 |
