CN103379974B - 具有优化的材料组成的多晶金刚石结构 - Google Patents

具有优化的材料组成的多晶金刚石结构 Download PDF

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Publication number
CN103379974B
CN103379974B CN201180056837.2A CN201180056837A CN103379974B CN 103379974 B CN103379974 B CN 103379974B CN 201180056837 A CN201180056837 A CN 201180056837A CN 103379974 B CN103379974 B CN 103379974B
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China
Prior art keywords
diamond
volume
interface
pcd
catalyst material
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CN201180056837.2A
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English (en)
Chinese (zh)
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CN103379974A (zh
Inventor
J·丹尼尔·贝尔纳普
格奥尔基·沃罗宁
余峰
彼得·卡里维奥
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Smith International Inc
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Smith International Inc
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
    • B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/02—Elements
    • C30B29/04—Diamond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • B22F3/15—Hot isostatic pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
    • B24D3/06—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
    • B24D3/10—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements for porous or cellular structure, e.g. for use with diamonds as abrasives
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B28/00—Production of homogeneous polycrystalline material with defined structure
    • C30B28/02—Production of homogeneous polycrystalline material with defined structure directly from the solid state
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • C22C2026/005—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes with additional metal compounds being borides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • C22C2026/006—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes with additional metal compounds being carbides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • C22C2026/007—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes with additional metal compounds being nitrides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • C22C2026/008—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes with additional metal compounds other than carbides, borides or nitrides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C2204/00—End product comprising different layers, coatings or parts of cermet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249954—With chemically effective material or specified gas other than air, N, or carbon dioxide in void-containing component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249961—With gradual property change within a component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Earth Drilling (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Powder Metallurgy (AREA)
  • Percussive Tools And Related Accessories (AREA)
CN201180056837.2A 2010-11-24 2011-11-23 具有优化的材料组成的多晶金刚石结构 Active CN103379974B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610145112.5A CN105839181B (zh) 2010-11-24 2011-11-23 具有优化的材料组成的多晶金刚石结构

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/954,403 US8689912B2 (en) 2010-11-24 2010-11-24 Polycrystalline diamond constructions having optimized material composition
US12/954,403 2010-11-24
PCT/US2011/062047 WO2012071515A2 (en) 2010-11-24 2011-11-23 Polycrystalline diamond constructions having optimized material composition

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201610145112.5A Division CN105839181B (zh) 2010-11-24 2011-11-23 具有优化的材料组成的多晶金刚石结构

Publications (2)

Publication Number Publication Date
CN103379974A CN103379974A (zh) 2013-10-30
CN103379974B true CN103379974B (zh) 2016-04-13

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CN201180056837.2A Active CN103379974B (zh) 2010-11-24 2011-11-23 具有优化的材料组成的多晶金刚石结构
CN201610145112.5A Active CN105839181B (zh) 2010-11-24 2011-11-23 具有优化的材料组成的多晶金刚石结构

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Country Status (6)

Country Link
US (2) US8689912B2 (enExample)
JP (2) JP6317109B2 (enExample)
CN (2) CN103379974B (enExample)
GB (1) GB2498882A (enExample)
WO (1) WO2012071515A2 (enExample)
ZA (1) ZA201303382B (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2900408A2 (en) * 2012-09-28 2015-08-05 Element Six GmbH Pick tool having a super-hard planar strike surface
US10315175B2 (en) 2012-11-15 2019-06-11 Smith International, Inc. Method of making carbonate PCD and sintering carbonate PCD on carbide substrate
US9475176B2 (en) 2012-11-15 2016-10-25 Smith International, Inc. Sintering of thick solid carbonate-based PCD for drilling application
US9273724B1 (en) * 2012-12-11 2016-03-01 Bruce Diamond Corporation Thrust bearing pad having metallic substrate
GB201223530D0 (en) 2012-12-31 2013-02-13 Element Six Abrasives Sa A cutter element for rock removal applications
GB201321991D0 (en) * 2013-12-12 2014-01-29 Element Six Abrasives Sa A polycrystalline super hard construction and a method of making same
GB201404782D0 (en) * 2014-03-18 2014-04-30 Element Six Abrasives Sa Superhard constructions & methods of making same
CN107206498B (zh) 2014-12-17 2020-12-01 史密斯国际有限公司 具有加速催化剂的完全浸出的过渡层的固体多晶金刚石
KR20170119716A (ko) 2015-04-28 2017-10-27 핼리버튼 에너지 서비시즈 인코퍼레이티드 구배 계면층을 갖는 다결정 다이아몬드 컴팩트
CN104847277A (zh) * 2015-05-15 2015-08-19 中国水利水电第十工程局有限公司 潜孔锤用聚晶金刚石多点切割钻头
CN104832101B (zh) * 2015-05-15 2018-07-03 中国水利水电第十工程局有限公司 双基材型切削元件及具有该切削元件的潜孔锤钻头
CA2980275C (en) * 2015-05-28 2019-09-17 Halliburton Energy Services, Inc. Induced material segregation methods of manufacturing a polycrystalline diamond tool
US20180305598A1 (en) * 2015-10-30 2018-10-25 Smith International, Inc. Eruption minimization in thermally stable pcd products
RU2018125628A (ru) * 2015-12-16 2020-01-16 Даймонд Инновейшнз, Инк. Поликристаллические алмазные шарошки с добавкой некаталитического материала и способы их изготовления
WO2017161075A1 (en) * 2016-03-16 2017-09-21 Diamond Innovations, Inc. Polycrystalline diamond bodies having annular regions with differing characteristics
CN108057894B (zh) * 2017-12-12 2019-11-15 鑫京瑞钨钢（厦门）有限公司 一种梯度硬质合金圆棒
EP3794209B1 (en) * 2018-05-18 2023-07-05 Element Six (UK) Limited Polycrystalline diamond cutter element and earth boring tool
CN110860693A (zh) * 2019-11-28 2020-03-06 中国有色桂林矿产地质研究院有限公司 一种中空结构的超硬材料聚晶多层复合片及其制备方法
ES2989151T3 (es) * 2019-12-11 2024-11-25 Diamond Innovations Inc Gradiente de hierro en aglomerados de diamante policristalino; piezas en bruto, cortadoras y herramientas de corte que incluyen las mismas; y métodos de fabricación
WO2021247684A1 (en) * 2020-06-02 2021-12-09 Saudi Arabian Oil Company Producing catalyst-free pdc cutters
US12024470B2 (en) 2021-02-08 2024-07-02 Saudi Arabian Oil Company Fabrication of downhole drilling tools
CN113968736B (zh) * 2021-12-01 2022-12-30 西南交通大学 一种碲触媒的多晶金刚石烧结体及其制备方法
EP4594069A1 (en) * 2022-09-30 2025-08-06 Seco Tools Ab A moulding tool assembly and a method for powder injection moulding a component

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4224380A (en) * 1978-03-28 1980-09-23 General Electric Company Temperature resistant abrasive compact and method for making same
US4303442A (en) 1978-08-26 1981-12-01 Sumitomo Electric Industries, Ltd. Diamond sintered body and the method for producing the same
US4333986A (en) 1979-06-11 1982-06-08 Sumitomo Electric Industries, Ltd. Diamond sintered compact wherein crystal particles are uniformly orientated in a particular direction and a method for producing the same
JPS5747771A (en) 1980-09-06 1982-03-18 Sumitomo Electric Industries Sintered body for linedrawing dice and manufacture
JPS57175775A (en) * 1981-04-20 1982-10-28 Showa Denko Kk Diamond sintered body
SE457537B (sv) 1981-09-04 1989-01-09 Sumitomo Electric Industries Diamantpresskropp foer ett verktyg samt saett att framstaella densamma
US4525178A (en) 1984-04-16 1985-06-25 Megadiamond Industries, Inc. Composite polycrystalline diamond
DE3583567D1 (de) 1984-09-08 1991-08-29 Sumitomo Electric Industries Gesinterter werkzeugkoerper aus diamant und verfahren zu seiner herstellung.
DE3477207D1 (en) 1984-11-21 1989-04-20 Sumitomo Electric Industries High hardness sintered compact and process for producing the same
ZA862903B (en) * 1985-04-29 1987-11-25 Smith International Composite polycrystalline diamond compact
JPH0437650A (ja) * 1990-06-04 1992-02-07 Exxon Res & Eng Co 耐破壊性ダイヤモンド及びダイヤモンド複合物品の加工方法
US7396505B2 (en) * 1994-08-12 2008-07-08 Diamicron, Inc. Use of CoCrMo to augment biocompatibility in polycrystalline diamond compacts
US7396501B2 (en) * 1994-08-12 2008-07-08 Diamicron, Inc. Use of gradient layers and stress modifiers to fabricate composite constructs
JP4954429B2 (ja) * 2000-09-20 2012-06-13 キャムコ、インターナショナル、（ユーケイ）、リミテッド 触媒物質を枯渇させた表面を有する多結晶ダイヤモンド
GB2464865B (en) * 2004-09-21 2010-07-28 Smith International Thermally stable diamond polycrystalline diamond constructions
US7462003B2 (en) 2005-08-03 2008-12-09 Smith International, Inc. Polycrystalline diamond composite constructions comprising thermally stable diamond volume
US7726421B2 (en) * 2005-10-12 2010-06-01 Smith International, Inc. Diamond-bonded bodies and compacts with improved thermal stability and mechanical strength
WO2008092093A2 (en) * 2007-01-26 2008-07-31 Diamond Innovations, Inc. Graded drilling cutters
US8627904B2 (en) 2007-10-04 2014-01-14 Smith International, Inc. Thermally stable polycrystalline diamond material with gradient structure
US9297211B2 (en) * 2007-12-17 2016-03-29 Smith International, Inc. Polycrystalline diamond construction with controlled gradient metal content
GB2467570B (en) * 2009-02-09 2012-09-19 Reedhycalog Uk Ltd Cutting element
KR101666947B1 (ko) 2009-05-20 2016-10-17 스미스 인터내셔널 인크. 절삭 요소, 절삭 요소의 제조 방법 및, 절삭 요소를 포함하는 공구
WO2011017673A2 (en) 2009-08-07 2011-02-10 Smith International, Inc. Thermally stable polycrystalline diamond constructions
CA2770308C (en) * 2009-08-07 2017-11-28 Smith International, Inc. Diamond transition layer construction with improved thickness ratio
AU2010279358A1 (en) 2009-08-07 2012-03-01 Smith International, Inc. Functionally graded polycrystalline diamond insert
US8277722B2 (en) * 2009-09-29 2012-10-02 Baker Hughes Incorporated Production of reduced catalyst PDC via gradient driven reactivity
US8985248B2 (en) * 2010-08-13 2015-03-24 Baker Hughes Incorporated Cutting elements including nanoparticles in at least one portion thereof, earth-boring tools including such cutting elements, and related methods

Also Published As

Publication number Publication date
GB2498882A (en) 2013-07-31
JP2014505162A (ja) 2014-02-27
US10173299B2 (en) 2019-01-08
CN105839181B (zh) 2019-04-19
WO2012071515A2 (en) 2012-05-31
US20120125696A1 (en) 2012-05-24
CN103379974A (zh) 2013-10-30
US20140215927A1 (en) 2014-08-07
CN105839181A (zh) 2016-08-10
WO2012071515A3 (en) 2012-11-15
US8689912B2 (en) 2014-04-08
GB201305929D0 (en) 2013-05-15
JP2017141507A (ja) 2017-08-17
JP6317109B2 (ja) 2018-05-09
ZA201303382B (en) 2020-11-25

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