Methods of forming a cutting element for an earth-boring tool, a related cutting element, and an earth-boring tool including such a cutting element
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B24D-003/00
E21B-010/567
C09K-003/14
출원번호
US-0611278
(2012-09-12)
등록번호
US-9194189
(2015-11-24)
발명자
/ 주소
DiGiovanni, Anthony A.
Ozbayraktar, Serdar
Naidoo, Kaveshini
출원인 / 주소
Baker Hughes Incorporated
대리인 / 주소
TraskBritt
인용정보
피인용 횟수 :
1인용 특허 :
141
초록▼
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 dia
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.
대표청구항▼
1. A method of forming a cutting element for an earth-boring tool, comprising: providing a volume of diamond particles on a supporting substrate, the volume of diamond particles comprising a plurality of diamond nanoparticles;providing a catalyst-containing layer discrete from the volume of diamond
1. A method of forming a cutting element for an earth-boring tool, comprising: providing a volume of diamond particles on a supporting substrate, the volume of diamond particles comprising a plurality of diamond nanoparticles;providing a catalyst-containing layer discrete from the volume of diamond particles on each of a top and sides of the volume of diamond particles; andprocessing the volume of diamond particles under high temperature and high pressure conditions to form a sintered nanoparticle-enhanced polycrystalline compact. 2. The method of claim 1, further comprising selecting the catalyst-containing layer to comprise a plurality of particles comprising a catalyst material. 3. The method of claim 1, further comprising selecting the catalyst-containing layer to comprise a solid layer comprising a catalyst material. 4. The method of claim 1, further comprising selecting the catalyst-containing layer to comprise at least one of cobalt, iron, and nickel. 5. The method of claim 1, further comprising selecting the catalyst-containing layer to comprise cemented tungsten carbide. 6. The method of claim 1, further comprising selecting the catalyst-containing layer to comprise a catalyst material and a non-diamond carbon material. 7. The method of claim 1, further comprising selecting the catalyst-containing layer to comprise a catalyst material different than another catalyst material of the supporting substrate. 8. The method of claim 7, wherein selecting the catalyst-containing layer to comprise a catalyst material different than another catalyst material of the supporting substrate comprises: selecting the catalyst material to comprise at least one of cobalt, iron, and nickel; andselecting the another catalyst material of the supporting substrate to comprise at least one other of cobalt, iron, and nickel. 9. A method of forming a cutting element for an earth-boring tool, comprising: providing a volume of diamond supporting tin substrate, the volume of diamond particles comprising a plurality of diamond nanoparticles;providing a catalyst-containing layer on exposed surfaces of each of the volume of diamond particles and the supporting substrate;providing another catalyst-containing layer on the catalyst-containing layer; andprocessing the volume of diamond particles under high temperature and high pressure conditions to form a sintered nanoparticle-enhanced polycrystalline compact. 10. The method of claim 9, further comprising: selecting the catalyst-containing layer to comprise a solid structure selected from the group consisting of a film, a sheet, and a mesh; andselecting the another catalyst-containing layer to comprise a plurality of particles. 11. The method of claim 9, further comprising selecting the catalyst-containing layer and the another catalyst-containing layer to comprise different catalyst materials. 12. The method of claim 9, further comprising selecting at least two of the supporting substrate, the catalyst-containing layer, and the another catalyst-containing layer to comprise the same catalyst material. 13. A method of forming a cutting element for an earth-boring tool, comprising: providing a volume of diamond particles on a supporting substrate, the volume of diamond articles comprising a plurality of diamond nanoparticles;providing a catalyst-containing layer on exposed surfaces of the volume of diamond particles and on a portion of exposed side surfaces of the supporting substrate; andprocessing the volume of diamond particles under hi hg temperature and high pressure conditions to form a sintered nanoparticle-enhanced polycrystalline compact. 14. The method of claim 13, further comprising providing another catalyst-containing layer on the catalyst-containing layer and on remaining portions of the exposed side surfaces of the supporting substrate. 15. The method of claim 13, further comprising providing a non-catalyst-containing layer on remaining portions of the exposed side surfaces of the supporting substrate. 16. The method of claim 15, further comprising selecting the non-catalyst-containing layer to comprise at least one of a ceramic, a carbide, an oxide, an intermetallic, a clay, a mineral, a glass, carbon nanotubes, fullerene, adamantane, graphene, and amorphous carbon. 17. The method of claim 15, wherein providing a non-catalyst-containing layer on remaining portions of the exposed side surfaces of the supporting substrate comprises forming the non-catalyst-containing layer to exhibit the same thickness as the catalyst-containing layer.
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