Patents by Inventor Antionette Can
Antionette Can has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20170158566Abstract: A composite material and a method of using the composite material. The composite material consists of at least 65 volume percent cubic boron nitride (cBN) grains dispersed in a binder matrix, the binder matrix comprising a plurality of microstructures bonded to the cBN grains and a plurality of intermediate regions between the cBN grains; the microstructures comprising nitride or boron compound of a metal; and the intermediate regions including a silicide phase containing the metal chemically bonded with silicon; in which the content of the silicide phase is 2 to 6 weight percent of the composite material, and in which the cBN grains have a mean size of 0.2 to 20 ?m.Type: ApplicationFiled: July 6, 2015Publication date: June 8, 2017Inventors: Antionette CAN, Anne Myriam Megne MOTCHELAHO, Mehmet Serdar OZBAYRAKTAR
-
Patent number: 9643892Abstract: PCBN material consisting of cBN grains dispersed in a matrix, the content of the cBN grains being in the range of about 35 to about 70 volume % of the PCBN material. The matrix comprises at least one kind of chemical compound that includes aluminum (Al) and at least one kind of chemical compound that includes titanium (Ti). The size distribution of the cBN grains exposed at a surface of the PCBN material is such that at least about 50% percent of the total equivalent circle area (ECA) arises from cBN intercept lengths up to 5 microns. At least about 20 percent of the total ECA arises from cBN intercept lengths greater than about 5 microns.Type: GrantFiled: April 28, 2014Date of Patent: May 9, 2017Assignees: ELEMENT SIX ABRASIVES S.A., ELEMENT SIX LIMITEDInventors: Stig Åke Andersin, Antionette Can
-
Patent number: 9624135Abstract: A method of manufacturing polycrystalline abrasive elements consisting of micron, sub-micron or nano-sized ultrahard abrasives dispersed in micron, sub-micron or nano-sized matrix materials. A plurality of ultrahard abrasive particles having vitreophilic surfaces are coated with a matrix precursor material and then treated to render them suitable for sintering. The matrix precursor material can be converted to an oxide, nitride, carbide, oxynitride, oxycarbide, or carbonitride, or an elemental form thereof. The coated ultrahard abrasive particles are consolidated and sintered at a pressure and temperature at which they are crystallographically or thermodynamically stable.Type: GrantFiled: September 21, 2005Date of Patent: April 18, 2017Inventors: Antionette Can, Anna Emela Mochubele, Geoffrey John Davies, Johannes Lodewikus Myburgh
-
Publication number: 20160052828Abstract: PCBN material consisting of cBN grains dispersed in a matrix, the content of the cBN grains being in the range of about 35 to about 70 volume % of the PCBN material. The matrix comprises at least one kind of chemical compound that includes aluminium (Al) and at least one kind of chemical compound that includes titanium (Ti). The size distribution of the cBN grains exposed at a surface of the PCBN material is such that at least about 50% per cent of the total equivalent circle area (ECA) arises from cBN intercept lengths up to 5 microns. At least about 20 per cent of the total ECA arises from cBN intercept lengths greater than about 5 microns.Type: ApplicationFiled: April 28, 2014Publication date: February 25, 2016Inventors: Stig Åke ANDERSIN, Antionette CAN
-
Patent number: 9067305Abstract: A method for making a polycrystalline diamond (PCD) construction comprises providing a cemented carbide substrate comprising carbide grains cemented together by a cement material, subjecting the substrate to a first pressure treatment, treating the substrate to remove at least some of the cement material from at least a region of the substrate adjacent a boundary defined by the substrate, and subjecting the substrate to a second pressure treatment, in contact with or bonded at the boundary to a diamondiferous structure.Type: GrantFiled: May 18, 2011Date of Patent: June 30, 2015Assignees: ELEMENT SIX ABRASIVES S.A., ELEMENT SIX LIMITEDInventors: Habib Saridikmen, Iain Patrick Goudemond, Antionette Can, Roger William Nigel Nilen, Clement David van der Riet
-
Publication number: 20150083502Abstract: A polycrystalline diamond (PCD) composite compact element 100 comprising a substrate 130, a PCD structure 120 bonded to the substrate 130, and a bond material in the form of a bond layer 140 bonding the PCD structure 120 to the substrate 130; the PCD structure 120 being thermally stable and having a mean Young's modulus of at least about 800 GPa, the PCD structure 120 having an interstitial mean free path of at least about 0.05 microns and at most about 1.5 microns; the standard deviation of the mean free path being at least about 0.05 microns and at most about 1.5 microns. Embodiments of the PCD composite compact element may be for a tool for cutting, milling, grinding, drilling, earth boring, rock drilling or other abrasive applications, such as the cutting and machining of metal.Type: ApplicationFiled: August 21, 2014Publication date: March 26, 2015Inventors: Danny Eugene Scott, Kurtis Karl Schmitz, Clement David Van Der Riet, Antionette Can
-
Patent number: 8789626Abstract: The invention provides for an ultra hard or hard composite material comprising a primary ultra hard or hard particulate material and at least one secondary ultra hard or hard particulate material dispersed in a matrix material. The primary ultra hard or hard particulate material has a thermal expansion coefficient lower than that of the matrix material and the at least one secondary ultra hard or hard particulate material has a thermal expansion coefficient greater than that of the matrix material.Type: GrantFiled: December 18, 2009Date of Patent: July 29, 2014Inventors: Antionette Can, Geoffrey John Davies, Johannes Lodewikus Myburgh
-
Publication number: 20140041312Abstract: A method of manufacturing polycrystalline abrasive elements consisting of micron, sub-micron or nano-sized ultrahard abrasives dispersed in micron, sub-micron or nano-sized matrix materials. A plurality of ultrahard abrasive particles having vitreophilic surfaces are coated with a matrix precursor material in a refined colloidal process and then treated to render them suitable for sintering. The matrix precursor material can be converted to an oxide, nitride, carbide, oxynitride, oxycarbide, or carbonitride, or an elemental form thereof. The coated ultrahard abrasive particles are consolidated and sintered at a pressure and temperature at which they are crystallographically or thermodynamically stable.Type: ApplicationFiled: October 18, 2013Publication date: February 13, 2014Inventors: Antionette Can, Anna Emela Mochubele, Geoffrey John Davies, Johannes Lodewikus Myburgh
-
Publication number: 20130145698Abstract: A method of manufacturing polycrystalline abrasive elements consisting of micron, sub-micron or nano-sized ultrahard abrasives dispersed in micron, sub-micron or nano-sized matrix materials. A plurality of ultrahard abrasive particles having vitreophilic surfaces are coated with a matrix precursor material in a refined colloidal process and then treated to render them suitable for sintering. The matrix precursor material can be converted to an oxide, nitride, carbide, oxynitride, oxycarbide, or carbonitride, or an elemental form thereof. The coated ultrahard abrasive particles are consolidated and sintered at a pressure and temperature at which they are crystallographically or thermodynamically stable.Type: ApplicationFiled: February 11, 2013Publication date: June 13, 2013Inventors: Antionette Can, Anna Emela Mochubele, Geoffrey John Davies, Johannes Lodewikus Myburgh
-
Patent number: 8419814Abstract: A method of manufacturing polycrystalline abrasive elements consisting of micron, sub-micron or nano-sized ultrahard abrasives dispersed in micron, sub-micron or nano-sized matrix materials. A plurality of ultrahard abrasive particles having vitreophilic surfaces are coated with a matrix precursor material in a refined colloidal process and then treated to render them suitable for sintering. The matrix precursor material can be converted to an oxide, nitride, carbide, oxynitride, oxycarbide, or carbonitride, or an elemental form thereof. The coated ultrahard abrasive particles are consolidated and sintered at a pressure and temperature at which they are crystallographically or thermodynamically stable.Type: GrantFiled: March 29, 2007Date of Patent: April 16, 2013Inventors: Antionette Can, Anna Emela Mochubele, Geoffrey John Davies, Johannes Lodewikus Myburgh
-
Publication number: 20120180401Abstract: A method of manufacturing polycrystalline abrasive elements consisting of micron, sub-micron or nano-sized ultrahard abrasives dispersed in micron, sub-micron or nano-sized matrix materials. A plurality of ultrahard abrasive particles having vitreophilic surfaces are coated with a matrix precursor material in a refined colloidal process and then treated to render them suitable for sintering. The matrix precursor material can be converted to an oxide, nitride, carbide, oxynitride, oxycarbide, or carbonitride, or an elemental form thereof. The coated ultrahard abrasive particles are consolidated and sintered at a pressure and temperature at which they are crystallographically or thermodynamically stable.Type: ApplicationFiled: March 23, 2012Publication date: July 19, 2012Inventors: Antionette Can, Anna Emela Mochubele, Geoffrey John Davies, Johannes Lodewikus Myburgh
-
Patent number: 8118896Abstract: A method of coating ultrahard abrasive particles having vitreophilic surfaces, or treated to render their surfaces vitreophilic, are coated with an oxide precursor material, which is then heat treated to dry and purify the coats. The heat treated, coated ultrahard abrasive particles are further treated to convert the coats to an oxide, nitride, carbide, oxynitride, oxycarbide, or carbonitride thereof, or an elemental form thereof, or a glass.Type: GrantFiled: September 21, 2005Date of Patent: February 21, 2012Inventors: Antionette Can, Anna Emela Mochubele, Geoffrey John Davies, Johannes Lodewikus Myburgh
-
Publication number: 20110297450Abstract: The invention provides for an ultra hard or hard composite material comprising a primary ultra hard or hard particulate material and at least one secondary ultra hard or hard particulate material dispersed in a matrix material. The primary ultra hard or hard particulate material has a thermal expansion coefficient lower than that of the matrix material and the at least one secondary ultra hard or hard particulate material has a thermal expansion coefficient greater than that of the matrix material.Type: ApplicationFiled: December 18, 2009Publication date: December 8, 2011Inventors: Antionette Can, Geoffrey John Davies, Johannes Lodewikus Myburgh
-
Publication number: 20110283628Abstract: A method for making a polycrystalline diamond (PCD) construction comprises providing a cemented carbide substrate comprising carbide grains cemented together by a cement material, subjecting the substrate to a first pressure treatment, treating the substrate to remove at least some of the cement material from at least a region of the substrate adjacent a boundary defined by the substrate, and subjecting the substrate to a second pressure treatment, in contact with or bonded at the boundary to a diamondiferous structure.Type: ApplicationFiled: May 18, 2011Publication date: November 24, 2011Inventors: Habib Saridikmen, Iain Patrick Goudemond, Antionette Can, Roger William Nigel Nilen, Clement David Van Der Riet
-
Publication number: 20110024201Abstract: A polycrystalline diamond (PCD) composite compact element 100 comprising a substrate 130, a PCD structure 120 bonded to the substrate 130, and a bond material in the form of a bond layer 140 bonding the PCD structure 120 to the substrate 130; the PCD structure 120 being thermally stable and having a mean Young's modulus of at least about 800 GPa, the PCD structure 120 having an interstitial mean free path of at least about 0.05 microns and at most about 1.5 microns; the standard deviation of the mean free path being at least about 0.05 microns and at most about 1.5 microns. Embodiments of the PCD composite compact element may be for a tool for cutting, milling, grinding, drilling, earth boring, rock drilling or other abrasive applications, such as the cutting and machining of metal.Type: ApplicationFiled: July 30, 2010Publication date: February 3, 2011Inventors: Danny Eugene Scott, Kurtis Karl Schmitz, Clement David Van Der Riet, Antionette Can
-
Publication number: 20100009839Abstract: The present invention concerns a method of producing an ultrahard abrasive composite material having a desirable overall thermal expansion coefficient mismatch, between the ultrahard particles and their matrix materials. The method includes the steps of providing a volume fraction of ultrahard particles having a pre-determined thermal expansion coefficient; determining the volume fraction and thermal expansion coefficient of a matrix material that would be required to produce an ultrahard composite material having a desired overall thermal expansion coefficient mismatch; contacting the ultrahard particles and the matrix material to form a reaction volume; and consolidating and sintering the reaction volume at a pressure and a temperature at which the ultrahard particles are crystallographically or thermodynamically stable.Type: ApplicationFiled: June 8, 2007Publication date: January 14, 2010Inventors: Antionette Can, Geoffrey John Davies, Anna Emela Mochubele, Johannes Lodewikus Myburgh
-
Publication number: 20090313907Abstract: The present invention concerns an ultrahard composite material comprising ultrahard particles dispersed in a nano-grain sized matrix material, wherein the average grain size of the matrix material, or at least one component of the matrix material, is within 30 nm of the Hall-Petch departure grain size for the matrix material or at least one component thereof. The ultrahard particles in the composite are cubic boron nitride and/or diamond, and the matrix materials are of a controlled and chosen phase and nano-grain size. Ultrahard composites with cubic boron nitride and diamond in nano-matrices of titanium nitride, zirconia, alumina, silica and chromium nitride are provided.Type: ApplicationFiled: June 8, 2007Publication date: December 24, 2009Inventors: Antionette Can, Geoffrey John Davies, Anna Emela Mochubele, Johannes Lodewikus Myburgh
-
Publication number: 20080168717Abstract: A method of coating ultrahard abrasive particles having vitreophilic surfaces, or treated to render their surfaces vitreophilic, are coated with an oxide precursor material, which is then heat treated to dry and purify the coats. The heat treated, coated ultrahard abrasive particles are further treated to convert the coats to an oxide, nitride, carbide, oxynitride, oxycarbide, or carbonitride thereof, or an elemental form thereof, or a glass.Type: ApplicationFiled: September 21, 2005Publication date: July 17, 2008Inventors: Antionette Can, Anna Emela Mochubele, Geoffrey John Davies, Johannes Lodewikus Myburgh
-
Publication number: 20080115424Abstract: A method of manufacturing polycrystalline abrasive elements consisting of micron, sub-micron or nano-sized ultrahard abrasives dispersed in micron, sub-micron or nano-sized matrix materials. A plurality of ultrahard abrasive particles having vitreophilic surfaces are coated with a matrix precursor material and then treated to render them suitable for sintering. The matrix precursor material can be converted to an oxide, nitride, carbide, oxynitride, oxycarbide, or carbonitride, or an elemental form thereof. The coated ultrahard abrasive particles are consolidated and sintcred at a pressure and temperature at which they are crystallographically or thermodynamically stable.Type: ApplicationFiled: September 21, 2005Publication date: May 22, 2008Applicant: ELEMENT SIX (PTY) LTDInventors: Antionette Can, Anna Emela Mochubele, Geoffrey John Davies, Johannes Lodewikus Myburgh
-
Publication number: 20070234646Abstract: A method of manufacturing polycrystalline abrasive elements consisting of micron, sub-micron or nano-sized ultrahard abrasives dispersed in micron, sub-micron or nano-sized matrix materials. A plurality of ultrahard abrasive particles having vitreophilic surfaces are coated with a matrix precursor material in a refined colloidal process and then treated to render them suitable for sintering. The matrix precursor material can be converted to an oxide, nitride, carbide, oxynitride, oxycarbide, or carbonitride, or an elemental form thereof. The coated ultrahard abrasive particles are consolidated and sintered at a pressure and temperature at which they are crystallographically or thermodynamically stable.Type: ApplicationFiled: March 29, 2007Publication date: October 11, 2007Inventors: Antionette Can, Anna Mochubele, Geoffrey Davies, Johannes Myburgh