Patents by Inventor Serdar Ozbayraktar
Serdar Ozbayraktar 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).
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Publication number: 20220316525Abstract: A bearing assembly includes a roller bearing unit, an inner race and an outer race. The roller bearing unit is formed of polycrystalline super-hard material having a mean mass density of at most 4.5 g/cm3 and a volume-weighted arithmetic mean thermal conductivity of at least 100 W/m·K.Type: ApplicationFiled: June 8, 2022Publication date: October 6, 2022Inventors: Neil Edward Seth CHARMAN, Mehmet Serdar OZBAYRAKTAR, Mark Gregory MUNDAY, Christopher John Howard WORT, Lifen DENG
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Publication number: 20220056955Abstract: A bearing element for a bearing assembly has a body of polycrystalline diamond (PCD) material having a bearing contact surface, and a substrate bonded to the body of PCD material along an interface and having a free end surface. The substrate has a through-bore extending longitudinally therethrough, the body of PCD material having a portion extending through the through-bore in the substrate to at least the free end surface thereof, the substrate extending around the peripheral side edge of the portion of PCD material extending therethrough.Type: ApplicationFiled: December 20, 2019Publication date: February 24, 2022Applicant: ELEMENT SIX (UK) LIMITEDInventors: VALENTINE KANYANTA, MEHMET SERDAR OZBAYRAKTAR, MAWEJA KASONDE
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Patent number: 11220464Abstract: 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: GrantFiled: November 1, 2019Date of Patent: January 11, 2022Assignee: ELEMENT SIX ABRASIVES S.A.Inventors: Antionette Can, Anne Myriam Megne Motchelaho, Mehmet Serdar Ozbayraktar
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Publication number: 20210372474Abstract: A bearing assembly includes a roller bearing unit, an inner race and an outer race. The roller bearing unit is formed of polycrystalline super-hard material having a mean mass density of at most 4.5 g/cm3 and a volume-weighted arithmetic mean thermal conductivity of at least 100 W/m·K.Type: ApplicationFiled: November 14, 2018Publication date: December 2, 2021Inventors: Neil Edward Seth CHARMAN, Mehmet Serdar OZBAYRAKTAR, Mark Gregory MUNDAY, Christopher John Howard WORT, Lifen DENG
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Patent number: 10737327Abstract: A superhard polycrystalline construction comprises a body of polycrystalline superhard material comprising a structure comprising superhard material, the structure having porosity greater than 20% by volume and up to around 80% by volume. A method of forming such a superhard polycrystalline construction comprises forming a skeleton structure of a first material having a plurality of voids, at least partially filling some or all of the voids with a second material to form a pre-sinter assembly, and treating the pre-sinter assembly to sinter together grains of superhard material to form a body of polycrystalline superhard material comprising a first region of superhard grains, and an interpenetrating second region; the second region being formed of the other of the first or second material that does not comprise the superhard grains; the superhard grains forming a sintered structure having a porosity greater than 20% by volume and up to around 80% by volume.Type: GrantFiled: December 19, 2016Date of Patent: August 11, 2020Assignee: Element Six (UK) LimitedInventors: Valentine Kanyanta, Miriam Miranda-Fernandez, Jonee Christine Paredes Zunega, Xiaoxue Zhang, Mehmet Serdar Ozbayraktar
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Publication number: 20200062656Abstract: 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: November 1, 2019Publication date: February 27, 2020Inventors: Antionette CAN, Anne Myriam Megne MOTCHELAHO, Mehmet Serdar OZBAYRAKTAR
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Patent number: 10472288Abstract: 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: GrantFiled: July 6, 2015Date of Patent: November 12, 2019Assignee: ELEMENT SIX ABRASIVES S.A.Inventors: Antionette Can, Anne Myriam Megne Motchelaho, Mehmet Serdar Ozbayraktar
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Publication number: 20190337123Abstract: A superhard polycrystalline construction has a body of polycrystalline superhard material having a cutting face and a substrate bonded to the body of polycrystalline superhard material along an interface. The substrate has a substrate body and a first end surface forming the interface, the first end surface of the substrate having a projection extending from the body of the substrate into the body of superhard material towards the cutting face. The projection has an outer peripheral surface around which the body of polycrystalline superhard material extends. The body of polycrystalline superhard material has a thickness from the cutting face along the peripheral side edge to the interface with the substrate of at least around 4 mm and at least a portion of the projection has a thickness measured in a plane extending along the longitudinal axis of the construction of at least around 4 mm.Type: ApplicationFiled: December 3, 2018Publication date: November 7, 2019Applicant: ELEMENT SIX ABRASIVES S.A.Inventors: MAWEJA KASONDE, VALENTINE KANYANTA, MEHMET SERDAR OZBAYRAKTAR
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Publication number: 20190330118Abstract: A super hard polycrystalline construction comprises a body of polycrystalline super hard material comprising a first fraction of super hard grains and a second fraction of super hard grains, the first fraction having a greater average grain size than the super hard grains in the second fraction, the super hard grains in the first and second fraction having a peripheral surface. The super hard grains in the first fraction are bonded along at least a portion of the peripheral surface to at least a portion of a plurality of super hard grains in the second fraction, the super hard grains in the first fraction being spaced from adjacent grains in the first fraction by a distance of between around 50 to around 500 nm.Type: ApplicationFiled: November 30, 2018Publication date: October 31, 2019Inventor: Mehmet Serdar OZBAYRAKTAR
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Patent number: 10329848Abstract: A super hard polycrystalline construction comprises a body of polycrystalline super hard material, said body having an exposed working surface, a substrate attached to the body of polycrystalline super hard material along an interface and a plurality of apertures or channels. One or more of said apertures or channels extend(s) from the exposed working surface of the body into the substrate.Type: GrantFiled: July 1, 2015Date of Patent: June 25, 2019Assignee: ELEMENT SIX (UK) LIMITEDInventors: Maweja Kasonde, Mehmet Serdar Ozbayraktar, Valentine Kanyanta, Teresa Rodriguez Suarez
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Publication number: 20190009339Abstract: A superhard polycrystalline construction comprises a body of polycrystalline superhard material comprising a structure comprising superhard material, the structure having porosity greater than 20% by volume and up to around 80% by volume. A method of forming such a superhard polycrystalline construction comprises forming a skeleton structure of a first material having a plurality of voids, at least partially filling some or all of the voids with a second material to form a pre-sinter assembly, and treating the pre-sinter assembly to sinter together grains of superhard material to form a body of polycrystalline superhard material comprising a first region of superhard grains, and an interpenetrating second region; the second region being formed of the other of the first or second material that does not comprise the superhard grains; the superhard grains forming a sintered structure having a porosity greater than 20% by volume and up to around 80% by volume.Type: ApplicationFiled: December 19, 2016Publication date: January 10, 2019Applicant: ELEMENT SIX (UK) LIMITEDInventors: VALENTINE KANYANTA, MIRIAM MIRANDA-FERNANDEZ, JONEE CHRISTINE PAREDES ZUNEGA, XIAOXUE ZHANG, MEHMET SERDAR OZBAYRAKTAR
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Publication number: 20180126516Abstract: A superhard polycrystalline construction comprises a body of polycrystalline superhard material comprising a first superhard phase having a first average grain size; and a second superhard phase having a second average grain size. The second superhard phase is located in one or more channels or apertures in the first superhard phase, the first superhard phase forming a skeleton in the body of superhard material. The second superhard phase is bonded to the first superhard phase by a non-superhard phase and the first superhard phase differs from the second superhard phase in average grain size and/or composition. There is also disclosed a method of making such a superhard polycrystalline construction.Type: ApplicationFiled: December 18, 2017Publication date: May 10, 2018Inventors: Valentine Kanyanta, Maweja Kasonde, Mehmet Serdar Ozbayraktar
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Publication number: 20170314335Abstract: A super hard polycrystalline construction comprises a body of polycrystalline super hard material, said body having an exposed working surface, a substrate attached to the body of polycrystalline super hard material along an interface and a plurality of apertures or channels. One or more of said apertures or channels extend(s) from the exposed working surface of the body into the substrate.Type: ApplicationFiled: July 1, 2015Publication date: November 2, 2017Inventors: Maweja KASONDE, Mehmet Serdar OZBAYRAKTAR, Valentine KANYANTA, Teresa RODRIGUEZ SUAREZ
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Patent number: 9771497Abstract: A method of forming a cutting element for an earth-boring tool. The method includes providing diamond particles on a supporting substrate, the volume of diamond particles comprising a plurality of diamond nanoparticles. A catalyst-containing layer is provided on exposed surfaces of the volume of diamond nanoparticles and the supporting substrate. The diamond particles are processed under high temperature and high pressure conditions to form a sintered nanoparticle-enhanced polycrystalline compact. A cutting element and an earth-boring tool including a cutting element are also disclosed.Type: GrantFiled: November 2, 2015Date of Patent: September 26, 2017Assignees: Baker Hughes, a GE company, LLC, Element Six LimitedInventors: Anthony A. DiGiovanni, Serdar Ozbayraktar, Kaveshini Naidoo
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Publication number: 20170158564Abstract: A super hard polycrystalline construction comprises a body of polycrystalline super hard material comprising a first fraction of super hard grains and a second fraction of super hard grains, the first fraction having a greater average grain size than the super hard grains in the second fraction, the super hard grains in the first and second fraction having a peripheral surface. The super hard grains in the first fraction are bonded along at least a portion of the peripheral surface to at least a portion of a plurality of super hard grains in the second fraction, the super hard grains in the first fraction being spaced from adjacent grains in the first fraction by a distance of between around 50 to around 500 nm.Type: ApplicationFiled: July 6, 2015Publication date: June 8, 2017Inventor: Mehmet Serdar OZBAYRAKTAR
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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
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Publication number: 20160271757Abstract: A superhard polycrystalline construction comprises a body of polycrystalline superhard material comprising a first superhard phase having a first average grain size; and a second superhard phase having a second average grain size. The second superhard phase is located in one or more channels or apertures in the first superhard phase, the first superhard phase forming a skeleton in the body of superhard material. The second superhard phase is bonded to the first superhard phase by a non-superhard phase and the first superhard phase differs from the second superhard phase in average grain size and/or composition. There is also dis closed a method of making such a superhard polycrystalline construction.Type: ApplicationFiled: March 31, 2014Publication date: September 22, 2016Inventors: Valentine Kanyanta, Maweja Kasonde, Mehmet Serdar Ozbayraktar
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Publication number: 20160144483Abstract: A superhard polycrystalline construction (1) comprises a body (12) of polycrystalline superhard material having a cutting face (14) and a substrate (10) bonded to the body of polycrystalline superhard material along an interface (18). The substrate comprises a substrate body and a first end surface ( )20 forming the interface, the first end surface of the substrate comprising a projection extending from the body of the substrate into the body of superhard material towards the cutting face. The projection has an outer peripheral surface around which the body of polycrystalline superhard material extends. The body of polycrystalline superhard material has a thickness (h) from the cutting face along the peripheral side edge (13) to the interface with the substrate of at least around 4 mm and at least a portion of the projection has a thickness measured in a plane extending along the longitudinal axis of the construction of at least around 4 mm.Type: ApplicationFiled: May 30, 2014Publication date: May 26, 2016Applicant: ELEMENT SIX ABRASIVES S.A.Inventors: MAWEJA KASONDE, VALENTINE KANYANTA, MEHMET SERDAR OZBAYRAKTAR
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Publication number: 20160053549Abstract: A method of forming a cutting element for an earth-boring tool. The method includes providing diamond particles on a supporting substrate, the volume of diamond particles comprising a plurality of diamond nanoparticles. A catalyst-containing layer is provided on exposed surfaces of the volume of diamond nanoparticles and the supporting substrate. The diamond particles are processed under high temperature and high pressure conditions to form a sintered nanoparticle-enhanced polycrystalline compact. A cutting element and an earth-boring tool including a cutting element are also disclosed.Type: ApplicationFiled: November 2, 2015Publication date: February 25, 2016Inventors: Anthony A. DiGiovanni, Serdar Ozbayraktar, Kaveshini Naidoo
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Patent number: 9194189Abstract: A method of forming a cutting element for an earth-boring tool. The method includes providing diamond particles on a supporting substrate, the volume of diamond particles comprising a plurality of diamond nanoparticles. A catalyst-containing layer is provided on exposed surfaces of the volume of diamond nanoparticles and the supporting substrate. The diamond particles are processed under high temperature and high pressure conditions to form a sintered nanoparticle-enhanced polycrystalline compact. A cutting element and an earth-boring tool including a cutting element are also disclosed.Type: GrantFiled: September 12, 2012Date of Patent: November 24, 2015Assignee: Baker Hughes IncorporatedInventors: Anthony A. DiGiovanni, Serdar Ozbayraktar, Kaveshini Naidoo