GB2498882A - Polycrystalline diamond constructions having optimized material composition - Google Patents

Polycrystalline diamond constructions having optimized material composition Download PDF

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Publication number
GB2498882A
GB2498882A GB201305929A GB201305929A GB2498882A GB 2498882 A GB2498882 A GB 2498882A GB 201305929 A GB201305929 A GB 201305929A GB 201305929 A GB201305929 A GB 201305929A GB 2498882 A GB2498882 A GB 2498882A
Authority
GB
United Kingdom
Prior art keywords
diamond
mpa
percent
material composition
polycrystalline diamond
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB201305929A
Other languages
English (en)
Other versions
GB201305929D0 (en
Inventor
Daniel J Belnap
Georgiy Voronin
Peter T Cariveau
Feng Yu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Smith International Inc
Original Assignee
Smith International Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of GB201305929D0 publication Critical patent/GB201305929D0/en
Publication of GB2498882A publication Critical patent/GB2498882A/en
Withdrawn legal-status Critical Current

Links

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)
GB201305929A 2010-11-24 2011-11-23 Polycrystalline diamond constructions having optimized material composition Withdrawn GB2498882A (en)

Applications Claiming Priority (2)

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
PCT/US2011/062047 WO2012071515A2 (en) 2010-11-24 2011-11-23 Polycrystalline diamond constructions having optimized material composition

Publications (2)

Publication Number Publication Date
GB201305929D0 GB201305929D0 (en) 2013-05-15
GB2498882A true GB2498882A (en) 2013-07-31

Family

ID=45319397

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201305929A Withdrawn GB2498882A (en) 2010-11-24 2011-11-23 Polycrystalline diamond constructions having optimized material composition

Country Status (6)

Country Link
US (2) US8689912B2 (https=)
JP (2) JP6317109B2 (https=)
CN (2) CN105839181B (https=)
GB (1) GB2498882A (https=)
WO (1) WO2012071515A2 (https=)
ZA (1) ZA201303382B (https=)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9593577B2 (en) * 2012-09-28 2017-03-14 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
US11014157B2 (en) 2014-12-17 2021-05-25 Schlumberger Technology Corporation Solid PCD with transition layers to accelerate full leaching of catalyst
CA2978270C (en) 2015-04-28 2019-11-26 Halliburton Energy Services, Inc. Polycrystalline diamond compact with gradient interfacial layer
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
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
KR102020014B1 (ko) * 2015-05-28 2019-09-09 핼리버튼 에너지 서비시즈 인코퍼레이티드 다결정 다이아몬드 공구를 제조하는 재료 편석 유도 방법
CN108472791A (zh) * 2015-10-30 2018-08-31 史密斯国际有限公司 热稳定的pcd产品中的喷发最小化
CN108367355A (zh) * 2015-12-16 2018-08-03 戴蒙得创新股份有限公司 具有非催化材料添加物的多晶金刚石刀具及其制造方法
US10704335B2 (en) * 2016-03-16 2020-07-07 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
GB2575711B (en) * 2018-05-18 2020-11-25 Element Six Uk Ltd 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
TWI899117B (zh) * 2019-12-11 2025-10-01 美商戴蒙創新公司 多晶鑽石複合片；胚料、切刀與包括其之切割工具；及製造方法
CN116783019A (zh) * 2020-06-02 2023-09-19 沙特阿拉伯石油公司 生产无催化剂pdc刀具
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
CN119866260A (zh) * 2022-09-30 2025-04-22 山高刀具公司 用于粉末注射模制部件的模制工具组件和方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4604106A (en) * 1984-04-16 1986-08-05 Smith International Inc. Composite polycrystalline diamond compact
EP1760165A2 (en) * 2005-08-03 2007-03-07 Smith International, Inc. Polycrystalline Diamond Composite Construction Comprising Thermally Stable Diamond Volume
WO2011017673A2 (en) * 2009-08-07 2011-02-10 Smith International, Inc. Thermally stable polycrystalline diamond constructions

Family Cites Families (24)

* 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
US4636253A (en) 1984-09-08 1987-01-13 Sumitomo Electric Industries, Ltd. Diamond sintered body for tools and method of manufacturing same
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
US7726421B2 (en) * 2005-10-12 2010-06-01 Smith International, Inc. Diamond-bonded bodies and compacts with improved thermal stability and mechanical strength
CN101646527B (zh) * 2007-01-26 2012-08-08 戴蒙得创新股份有限公司 等级钻削刀具
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
CN102459802B (zh) 2009-05-20 2014-12-17 史密斯国际股份有限公司 切削元件、用于制造这种切削元件的方法和包含这种切削元件的工具
CA2770306A1 (en) 2009-08-07 2011-02-10 Smith International, Inc. Functionally graded polycrystalline diamond insert
CA2770308C (en) * 2009-08-07 2017-11-28 Smith International, Inc. Diamond transition layer construction with improved thickness ratio
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4604106A (en) * 1984-04-16 1986-08-05 Smith International Inc. Composite polycrystalline diamond compact
EP1760165A2 (en) * 2005-08-03 2007-03-07 Smith International, Inc. Polycrystalline Diamond Composite Construction Comprising Thermally Stable Diamond Volume
WO2011017673A2 (en) * 2009-08-07 2011-02-10 Smith International, Inc. Thermally stable polycrystalline diamond constructions

Also Published As

Publication number Publication date
WO2012071515A3 (en) 2012-11-15
CN105839181B (zh) 2019-04-19
GB201305929D0 (en) 2013-05-15
CN103379974B (zh) 2016-04-13
JP2014505162A (ja) 2014-02-27
CN103379974A (zh) 2013-10-30
JP2017141507A (ja) 2017-08-17
US20120125696A1 (en) 2012-05-24
US20140215927A1 (en) 2014-08-07
WO2012071515A2 (en) 2012-05-31
US10173299B2 (en) 2019-01-08
JP6317109B2 (ja) 2018-05-09
ZA201303382B (en) 2020-11-25
US8689912B2 (en) 2014-04-08
CN105839181A (zh) 2016-08-10

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