EP1931594A4 - Sintered polycrystalline diamond material with extremely fine microstructures - Google Patents

Sintered polycrystalline diamond material with extremely fine microstructures

Info

Publication number
EP1931594A4
EP1931594A4 EP06803564A EP06803564A EP1931594A4 EP 1931594 A4 EP1931594 A4 EP 1931594A4 EP 06803564 A EP06803564 A EP 06803564A EP 06803564 A EP06803564 A EP 06803564A EP 1931594 A4 EP1931594 A4 EP 1931594A4
Authority
EP
European Patent Office
Prior art keywords
polycrystalline diamond
diamond material
extremely fine
sintered polycrystalline
fine microstructures
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Withdrawn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
EP06803564A
Other languages
German (de)
French (fr)
Other versions
EP1931594A2 (en
Inventor
Steven Webb
Ram Raghavan
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.)
Diamond Innovations Inc
Original Assignee
Diamond Innovations 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 Diamond Innovations Inc filed Critical Diamond Innovations Inc
Publication of EP1931594A2 publication Critical patent/EP1931594A2/en
Publication of EP1931594A4 publication Critical patent/EP1931594A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/06—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
    • B01J3/062—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies characterised by the composition of the materials to be processed
    • 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
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00—Processes utilising sub- or super atmospheric pressure
    • B01J2203/06—High pressure synthesis
    • B01J2203/0605—Composition of the material to be processed
    • B01J2203/062—Diamond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00—Processes utilising sub- or super atmospheric pressure
    • B01J2203/06—High pressure synthesis
    • B01J2203/065—Composition of the material produced
    • B01J2203/0655—Diamond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00—Processes utilising sub- or super atmospheric pressure
    • B01J2203/06—High pressure synthesis
    • B01J2203/0675—Structural or physico-chemical features of the materials processed
    • B01J2203/0685—Crystal sintering
    • 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
    • B22F2005/002—Tools other than cutting tools
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/422—Carbon
    • C04B2235/427—Diamond
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/72—Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics
    • C04B2235/722—Nitrogen content
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/72—Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics
    • C04B2235/723—Oxygen content
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/78—Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
    • C04B2235/782—Grain size distributions
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/78—Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
    • C04B2235/785—Submicron sized grains, i.e. from 0,1 to 1 micron
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/95—Products characterised by their size, e.g. microceramics
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Composite Materials (AREA)
  • Metallurgy (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
EP06803564A 2005-09-15 2006-09-14 Sintered polycrystalline diamond material with extremely fine microstructures Withdrawn EP1931594A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US71722705P 2005-09-15 2005-09-15
US11/531,389 US20070056778A1 (en) 2005-09-15 2006-09-13 Sintered polycrystalline diamond material with extremely fine microstructures
PCT/US2006/035801 WO2007035394A2 (en) 2005-09-15 2006-09-14 Sintered polycrystalline diamond material with extremely fine microstructures

Publications (2)

Publication Number Publication Date
EP1931594A2 EP1931594A2 (en) 2008-06-18
EP1931594A4 true EP1931594A4 (en) 2013-01-02

Family

ID=37853916

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06803564A Withdrawn EP1931594A4 (en) 2005-09-15 2006-09-14 Sintered polycrystalline diamond material with extremely fine microstructures

Country Status (5)

Country Link
US (1) US20070056778A1 (en)
EP (1) EP1931594A4 (en)
JP (1) JP5289957B2 (en)
KR (1) KR101334048B1 (en)
WO (1) WO2007035394A2 (en)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9103172B1 (en) * 2005-08-24 2015-08-11 Us Synthetic Corporation Polycrystalline diamond compact including a pre-sintered polycrystalline diamond table including a nonmetallic catalyst that limits infiltration of a metallic-catalyst infiltrant therein and applications therefor
US7841428B2 (en) * 2006-02-10 2010-11-30 Us Synthetic Corporation Polycrystalline diamond apparatuses and methods of manufacture
US7516804B2 (en) * 2006-07-31 2009-04-14 Us Synthetic Corporation Polycrystalline diamond element comprising ultra-dispersed diamond grain structures and applications utilizing same
US8236074B1 (en) 2006-10-10 2012-08-07 Us Synthetic Corporation Superabrasive elements, methods of manufacturing, and drill bits including same
US9017438B1 (en) 2006-10-10 2015-04-28 Us Synthetic Corporation Polycrystalline diamond compact including a polycrystalline diamond table with a thermally-stable region having at least one low-carbon-solubility material and applications therefor
US8080071B1 (en) 2008-03-03 2011-12-20 Us Synthetic Corporation Polycrystalline diamond compact, methods of fabricating same, and applications therefor
US8034136B2 (en) 2006-11-20 2011-10-11 Us Synthetic Corporation Methods of fabricating superabrasive articles
US8821604B2 (en) 2006-11-20 2014-09-02 Us Synthetic Corporation Polycrystalline diamond compact and method of making same
US8080074B2 (en) 2006-11-20 2011-12-20 Us Synthetic Corporation Polycrystalline diamond compacts, and related methods and applications
US8595816B2 (en) 2007-10-19 2013-11-26 Nippon Telegraph And Telephone Corporation User authentication system and method for the same
US8999025B1 (en) 2008-03-03 2015-04-07 Us Synthetic Corporation Methods of fabricating a polycrystalline diamond body with a sintering aid/infiltrant at least saturated with non-diamond carbon and resultant products such as compacts
US8911521B1 (en) 2008-03-03 2014-12-16 Us Synthetic Corporation Methods of fabricating a polycrystalline diamond body with a sintering aid/infiltrant at least saturated with non-diamond carbon and resultant products such as compacts
US8057775B2 (en) * 2008-04-22 2011-11-15 Us Synthetic Corporation Polycrystalline diamond materials, methods of fabricating same, and applications using same
US7842111B1 (en) 2008-04-29 2010-11-30 Us Synthetic Corporation Polycrystalline diamond compacts, methods of fabricating same, and applications using same
US8986408B1 (en) 2008-04-29 2015-03-24 Us Synthetic Corporation Methods of fabricating polycrystalline diamond products using a selected amount of graphite particles
US8071173B1 (en) 2009-01-30 2011-12-06 Us Synthetic Corporation Methods of fabricating a polycrystalline diamond compact including a pre-sintered polycrystalline diamond table having a thermally-stable region
CA2760984C (en) 2009-05-20 2018-05-01 Smith International, Inc. Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elements
GB0909350D0 (en) 2009-06-01 2009-07-15 Element Six Production Pty Ltd Ploycrystalline diamond material and method of making same
US8490721B2 (en) * 2009-06-02 2013-07-23 Element Six Abrasives S.A. Polycrystalline diamond
US8727042B2 (en) 2009-09-11 2014-05-20 Baker Hughes Incorporated Polycrystalline compacts having material disposed in interstitial spaces therein, and cutting elements including such compacts
CA2770502C (en) 2009-08-07 2014-10-07 Baker Hughes Incorporated Polycrystalline compacts including in-situ nucleated grains, earth-boring tools including such compacts, and methods of forming such compacts and tools
WO2011031549A2 (en) * 2009-08-27 2011-03-17 Smith International, Inc. Method of forming metal deposits on ultrahard materials
US20110061944A1 (en) 2009-09-11 2011-03-17 Danny Eugene Scott Polycrystalline diamond composite compact
EP2483512B1 (en) 2009-10-02 2019-05-22 Baker Hughes, a GE company, LLC Cutting elements configured to generate shear lips during use in cutting, earth-boring tools including such cutting elements, and methods of forming and using such cutting elements and earth-boring tools
EP2488719B8 (en) 2009-10-15 2019-06-26 Baker Hughes, a GE company, LLC Polycrystalline compacts including nanoparticulate inclusions, cutting elements and earth-boring tools including such compacts, and methods of forming such compacts
US9949539B2 (en) 2010-06-03 2018-04-24 Frederick Goldman, Inc. Method of making multi-coated metallic article
BR112013010515A2 (en) 2010-10-29 2016-08-02 Baker Hughes Inc diamond coated graphene particles, intermediate compositions and structures comprising the same and the methods of forming polycrystalline graphene-coated and compact diamond particles
US8840693B2 (en) 2010-10-29 2014-09-23 Baker Hughes Incorporated Coated particles and related methods
WO2012064399A1 (en) 2010-11-08 2012-05-18 Baker Hughes Incorporated Polycrystalline compacts including nanoparticulate inclusions, cutting elements and earth-boring tools including such compacts, and methods of forming same
IE86959B1 (en) * 2010-11-29 2019-02-20 Element Six Ltd Fabrication of ultrafine polycrystalline diamond with nano-sized grain growth inhibitor
US10309158B2 (en) 2010-12-07 2019-06-04 Us Synthetic Corporation Method of partially infiltrating an at least partially leached polycrystalline diamond table and resultant polycrystalline diamond compacts
US9027675B1 (en) 2011-02-15 2015-05-12 Us Synthetic Corporation Polycrystalline diamond compact including a polycrystalline diamond table containing aluminum carbide therein and applications therefor
EP2713803A4 (en) 2011-06-03 2015-03-11 Frederick Goldman Inc Coated metallic products and methods for making the same
US8932437B2 (en) 2011-06-03 2015-01-13 Frederick Goldman, Inc. Multi-coated metallic products and methods of making the same
EP2758160A1 (en) * 2011-09-21 2014-07-30 Diamond Innovations, Inc. Polycrystalline diamond compacts having improved wear characteristics and methods of making the same
US8882872B2 (en) * 2011-10-04 2014-11-11 Baker Hughes Incorporated Graphite coated metal nanoparticles for polycrystalline diamond compact synthesis
KR101443762B1 (en) * 2012-12-28 2014-09-30 일진다이아몬드(주) Poly crystalline diamond sintered with Ti coated diamond particles and the manufacturing method thereof
KR101457066B1 (en) * 2012-12-28 2014-11-03 일진다이아몬드(주) Poly crystalline diamond and manufacturing method thereof
US10287824B2 (en) 2016-03-04 2019-05-14 Baker Hughes Incorporated Methods of forming polycrystalline diamond
US11396688B2 (en) 2017-05-12 2022-07-26 Baker Hughes Holdings Llc Cutting elements, and related structures and earth-boring tools
US11292750B2 (en) 2017-05-12 2022-04-05 Baker Hughes Holdings Llc Cutting elements and structures
US10870606B2 (en) 2018-03-05 2020-12-22 Wenhui Jiang Polycrystalline diamond comprising nanostructured polycrystalline diamond particles and method of making the same
US11536091B2 (en) 2018-05-30 2022-12-27 Baker Hughes Holding LLC Cutting elements, and related earth-boring tools and methods
WO2022085438A1 (en) * 2020-10-22 2022-04-28 住友電工ハードメタル株式会社 Diamond sintered body and tool provided with diamond sintered body

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09316587A (en) * 1996-05-29 1997-12-09 Sumitomo Electric Ind Ltd High strength fine-grained diamond sintered compact and tool using the same
WO2004054943A1 (en) * 2002-12-18 2004-07-01 Japan Science And Technology Agency Heat-resistant composite diamond sintered product and method for production thereof
US20050019114A1 (en) * 2003-07-25 2005-01-27 Chien-Min Sung Nanodiamond PCD and methods of forming

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3574580A (en) * 1968-11-08 1971-04-13 Atomic Energy Commission Process for producing sintered diamond compact and products
US3831428A (en) * 1973-03-26 1974-08-27 Gen Electric Composite wire drawing die
IE42084B1 (en) * 1974-09-18 1980-06-04 De Beers Ind Diamond Abrasive bodies
US4104441A (en) * 1975-07-29 1978-08-01 Institut Sverkhtverdykh Materialov Ssr Polycrystalline diamond member and method of preparing same
US4303442A (en) * 1978-08-26 1981-12-01 Sumitomo Electric Industries, Ltd. Diamond sintered body and the method for producing the same
SE457537B (en) * 1981-09-04 1989-01-09 Sumitomo Electric Industries DIAMOND PRESSURE BODY FOR A TOOL AND WAY TO MANUFACTURE IT
JPS6291469A (en) * 1985-10-18 1987-04-25 科学技術庁無機材質研究所長 Manufacture of highly hard and insulative diamond sintered body
JP2764044B2 (en) * 1988-07-18 1998-06-11 日本油脂株式会社 Diamond sintered body composed of ultrafine particles and method for producing the same
US4954139A (en) * 1989-03-31 1990-09-04 The General Electric Company Method for producing polycrystalline compact tool blanks with flat carbide support/diamond or CBN interfaces
US5488268A (en) * 1991-04-04 1996-01-30 Magnetek, Inc. Electrical connector with improved centering of mating terminal pins, for a fluorescent-lighting ballast
ZA943645B (en) * 1993-05-27 1995-01-27 De Beers Ind Diamond A method of making an abrasive compact
JPH07156003A (en) * 1993-12-07 1995-06-20 Sumitomo Electric Ind Ltd Polycrystal diamond tool and manufacture thereof
US5855996A (en) * 1995-12-12 1999-01-05 General Electric Company Abrasive compact with improved properties
US5952102A (en) * 1996-05-13 1999-09-14 Ceramatec, Inc. Diamond coated WC and WC-based composites with high apparent toughness
US6196910B1 (en) * 1998-08-10 2001-03-06 General Electric Company Polycrystalline diamond compact cutter with improved cutting by preventing chip build up
US6139460A (en) * 1999-05-24 2000-10-31 Delphi Technologies, Inc. Electric caliper
US6852414B1 (en) * 2002-06-25 2005-02-08 Diamond Innovations, Inc. Self sharpening polycrystalline diamond compact with high impact resistance
ZA200504494B (en) * 2004-06-01 2006-04-26 Smith International Methods for manufacturing ultrahard cutting elements

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09316587A (en) * 1996-05-29 1997-12-09 Sumitomo Electric Ind Ltd High strength fine-grained diamond sintered compact and tool using the same
WO2004054943A1 (en) * 2002-12-18 2004-07-01 Japan Science And Technology Agency Heat-resistant composite diamond sintered product and method for production thereof
US20050019114A1 (en) * 2003-07-25 2005-01-27 Chien-Min Sung Nanodiamond PCD and methods of forming

Also Published As

Publication number Publication date
WO2007035394A2 (en) 2007-03-29
KR101334048B1 (en) 2013-11-29
EP1931594A2 (en) 2008-06-18
JP2009508798A (en) 2009-03-05
JP5289957B2 (en) 2013-09-11
WO2007035394A3 (en) 2007-06-07
KR20080059569A (en) 2008-06-30
US20070056778A1 (en) 2007-03-15

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

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