EP1716948A3 - Structure composite avec surface de séparation non-planair, et procédé pour sa fabrication - Google Patents

Structure composite avec surface de séparation non-planair, et procédé pour sa fabrication Download PDF

Info

Publication number
EP1716948A3
EP1716948A3 EP06251484A EP06251484A EP1716948A3 EP 1716948 A3 EP1716948 A3 EP 1716948A3 EP 06251484 A EP06251484 A EP 06251484A EP 06251484 A EP06251484 A EP 06251484A EP 1716948 A3 EP1716948 A3 EP 1716948A3
Authority
EP
European Patent Office
Prior art keywords
composite structure
particles
making same
monolayer
planar interface
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Withdrawn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
EP06251484A
Other languages
German (de)
English (en)
Other versions
EP1716948A2 (fr
Inventor
Harold A. Sreshta
Eric F. Drake
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.)
NOV Inc
Original Assignee
Grant Prideco LP
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 Grant Prideco LP filed Critical Grant Prideco LP
Publication of EP1716948A2 publication Critical patent/EP1716948A2/fr
Publication of EP1716948A3 publication Critical patent/EP1716948A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • E21B10/573—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts characterised by support details, e.g. the substrate construction or the interface between the substrate and the cutting element
    • E21B10/5735—Interface between the substrate and the cutting element
    • 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
    • B22F7/02—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 layers
    • 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
    • B22F7/02—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 layers
    • B22F7/04—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 layers with one or more layers not made from powder, e.g. made from solid metal
    • 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
    • B22F2998/10—Processes characterised by the sequence of their steps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Composite Materials (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Powder Metallurgy (AREA)
  • Laminated Bodies (AREA)
EP06251484A 2005-04-26 2006-03-21 Structure composite avec surface de séparation non-planair, et procédé pour sa fabrication Withdrawn EP1716948A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/908,040 US20060237236A1 (en) 2005-04-26 2005-04-26 Composite structure having a non-planar interface and method of making same

Publications (2)

Publication Number Publication Date
EP1716948A2 EP1716948A2 (fr) 2006-11-02
EP1716948A3 true EP1716948A3 (fr) 2006-12-20

Family

ID=36950501

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06251484A Withdrawn EP1716948A3 (fr) 2005-04-26 2006-03-21 Structure composite avec surface de séparation non-planair, et procédé pour sa fabrication

Country Status (3)

Country Link
US (1) US20060237236A1 (fr)
EP (1) EP1716948A3 (fr)
CA (1) CA2544654A1 (fr)

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8109349B2 (en) 2006-10-26 2012-02-07 Schlumberger Technology Corporation Thick pointed superhard material
US7665552B2 (en) * 2006-10-26 2010-02-23 Hall David R Superhard insert with an interface
US7740414B2 (en) 2005-03-01 2010-06-22 Hall David R Milling apparatus for a paved surface
US7568770B2 (en) 2006-06-16 2009-08-04 Hall David R Superhard composite material bonded to a steel body
US7469972B2 (en) * 2006-06-16 2008-12-30 Hall David R Wear resistant tool
US7950746B2 (en) 2006-06-16 2011-05-31 Schlumberger Technology Corporation Attack tool for degrading materials
US8215420B2 (en) 2006-08-11 2012-07-10 Schlumberger Technology Corporation Thermally stable pointed diamond with increased impact resistance
US8500209B2 (en) 2006-08-11 2013-08-06 Schlumberger Technology Corporation Manually rotatable tool
US7871133B2 (en) 2006-08-11 2011-01-18 Schlumberger Technology Corporation Locking fixture
US8567532B2 (en) 2006-08-11 2013-10-29 Schlumberger Technology Corporation Cutting element attached to downhole fixed bladed bit at a positive rake angle
US7648210B2 (en) 2006-08-11 2010-01-19 Hall David R Pick with an interlocked bolster
US8500210B2 (en) 2006-08-11 2013-08-06 Schlumberger Technology Corporation Resilient pick shank
US7661765B2 (en) 2006-08-11 2010-02-16 Hall David R Braze thickness control
US8007051B2 (en) 2006-08-11 2011-08-30 Schlumberger Technology Corporation Shank assembly
US8622155B2 (en) 2006-08-11 2014-01-07 Schlumberger Technology Corporation Pointed diamond working ends on a shear bit
US8590644B2 (en) 2006-08-11 2013-11-26 Schlumberger Technology Corporation Downhole drill bit
US9051795B2 (en) 2006-08-11 2015-06-09 Schlumberger Technology Corporation Downhole drill bit
US7396086B1 (en) 2007-03-15 2008-07-08 Hall David R Press-fit pick
US8714285B2 (en) 2006-08-11 2014-05-06 Schlumberger Technology Corporation Method for drilling with a fixed bladed bit
US7635168B2 (en) 2006-08-11 2009-12-22 Hall David R Degradation assembly shield
US7637574B2 (en) 2006-08-11 2009-12-29 Hall David R Pick assembly
US7419224B2 (en) 2006-08-11 2008-09-02 Hall David R Sleeve in a degradation assembly
US7992945B2 (en) 2006-08-11 2011-08-09 Schlumberger Technology Corporation Hollow pick shank
US8485609B2 (en) 2006-08-11 2013-07-16 Schlumberger Technology Corporation Impact tool
US9145742B2 (en) 2006-08-11 2015-09-29 Schlumberger Technology Corporation Pointed working ends on a drill bit
US7475948B2 (en) 2006-08-11 2009-01-13 Hall David R Pick with a bearing
US8453497B2 (en) * 2006-08-11 2013-06-04 Schlumberger Technology Corporation Test fixture that positions a cutting element at a positive rake angle
US8449040B2 (en) 2006-08-11 2013-05-28 David R. Hall Shank for an attack tool
US7669938B2 (en) 2006-08-11 2010-03-02 Hall David R Carbide stem press fit into a steel body of a pick
US7338135B1 (en) 2006-08-11 2008-03-04 Hall David R Holder for a degradation assembly
US7997661B2 (en) 2006-08-11 2011-08-16 Schlumberger Technology Corporation Tapered bore in a pick
US7387345B2 (en) 2006-08-11 2008-06-17 Hall David R Lubricating drum
US7413256B2 (en) 2006-08-11 2008-08-19 Hall David R Washer for a degradation assembly
USD581952S1 (en) 2006-08-11 2008-12-02 Hall David R Pick
US8201892B2 (en) * 2006-08-11 2012-06-19 Hall David R Holder assembly
US8414085B2 (en) 2006-08-11 2013-04-09 Schlumberger Technology Corporation Shank assembly with a tensioned element
US7410221B2 (en) * 2006-08-11 2008-08-12 Hall David R Retainer sleeve in a degradation assembly
US7600823B2 (en) 2006-08-11 2009-10-13 Hall David R Pick assembly
US8292372B2 (en) 2007-12-21 2012-10-23 Hall David R Retention for holder shank
US7384105B2 (en) 2006-08-11 2008-06-10 Hall David R Attack tool
USD566137S1 (en) 2006-08-11 2008-04-08 Hall David R Pick bolster
US7390066B2 (en) * 2006-08-11 2008-06-24 Hall David R Method for providing a degradation drum
US7669674B2 (en) 2006-08-11 2010-03-02 Hall David R Degradation assembly
US7992944B2 (en) * 2006-08-11 2011-08-09 Schlumberger Technology Corporation Manually rotatable tool
US7464993B2 (en) 2006-08-11 2008-12-16 Hall David R Attack tool
US7963617B2 (en) 2006-08-11 2011-06-21 Schlumberger Technology Corporation Degradation assembly
US7722127B2 (en) 2006-08-11 2010-05-25 Schlumberger Technology Corporation Pick shank in axial tension
US8123302B2 (en) 2006-08-11 2012-02-28 Schlumberger Technology Corporation Impact tool
US7445294B2 (en) 2006-08-11 2008-11-04 Hall David R Attack tool
US8136887B2 (en) * 2006-08-11 2012-03-20 Schlumberger Technology Corporation Non-rotating pick with a pressed in carbide segment
US7946657B2 (en) 2006-08-11 2011-05-24 Schlumberger Technology Corporation Retention for an insert
US7320505B1 (en) 2006-08-11 2008-01-22 Hall David R Attack tool
US9068410B2 (en) 2006-10-26 2015-06-30 Schlumberger Technology Corporation Dense diamond body
US7347292B1 (en) 2006-10-26 2008-03-25 Hall David R Braze material for an attack tool
US8960337B2 (en) 2006-10-26 2015-02-24 Schlumberger Technology Corporation High impact resistant tool with an apex width between a first and second transitions
US20080202814A1 (en) * 2007-02-23 2008-08-28 Lyons Nicholas J Earth-boring tools and cutter assemblies having a cutting element co-sintered with a cone structure, methods of using the same
US9051794B2 (en) 2007-04-12 2015-06-09 Schlumberger Technology Corporation High impact shearing element
US7594703B2 (en) * 2007-05-14 2009-09-29 Hall David R Pick with a reentrant
US7926883B2 (en) 2007-05-15 2011-04-19 Schlumberger Technology Corporation Spring loaded pick
US8038223B2 (en) * 2007-09-07 2011-10-18 Schlumberger Technology Corporation Pick with carbide cap
US7832808B2 (en) 2007-10-30 2010-11-16 Hall David R Tool holder sleeve
US20110254350A1 (en) 2007-12-21 2011-10-20 Hall David R Resilent Connection between a Pick Shank and Block
WO2009120330A2 (fr) * 2008-03-25 2009-10-01 Corning Incorporated Substrats pour photovoltaïques
US8540037B2 (en) 2008-04-30 2013-09-24 Schlumberger Technology Corporation Layered polycrystalline diamond
US7628233B1 (en) 2008-07-23 2009-12-08 Hall David R Carbide bolster
US7866418B2 (en) 2008-10-03 2011-01-11 Us Synthetic Corporation Rotary drill bit including polycrystalline diamond cutting elements
US9315881B2 (en) 2008-10-03 2016-04-19 Us Synthetic Corporation Polycrystalline diamond, polycrystalline diamond compacts, methods of making same, and applications
US8297382B2 (en) 2008-10-03 2012-10-30 Us Synthetic Corporation Polycrystalline diamond compacts, method of fabricating same, and various applications
US8061457B2 (en) 2009-02-17 2011-11-22 Schlumberger Technology Corporation Chamfered pointed enhanced diamond insert
US8322796B2 (en) * 2009-04-16 2012-12-04 Schlumberger Technology Corporation Seal with contact element for pick shield
US8701799B2 (en) 2009-04-29 2014-04-22 Schlumberger Technology Corporation Drill bit cutter pocket restitution
US8261471B2 (en) 2010-06-30 2012-09-11 Hall David R Continuously adjusting resultant force in an excavating assembly
US8668275B2 (en) 2011-07-06 2014-03-11 David R. Hall Pick assembly with a contiguous spinal region
US10060192B1 (en) * 2014-08-14 2018-08-28 Us Synthetic Corporation Methods of making polycrystalline diamond compacts and polycrystalline diamond compacts made using the same
US10641046B2 (en) * 2018-01-03 2020-05-05 Baker Hughes, A Ge Company, Llc Cutting elements with geometries to better maintain aggressiveness and related earth-boring tools and methods
CN120362494B (zh) * 2025-06-30 2025-11-25 西安欧中材料科技股份有限公司 一种采用热等静压制备双金属热作工模具的方法及应用

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4154900A (en) * 1976-05-14 1979-05-15 Taiho Kogyo Co., Ltd. Composite material of ferrous cladding material and aluminum cast matrix and method for producing the same
US4277106A (en) * 1979-10-22 1981-07-07 Syndrill Carbide Diamond Company Self renewing working tip mining pick
US4629373A (en) * 1983-06-22 1986-12-16 Megadiamond Industries, Inc. Polycrystalline diamond body with enhanced surface irregularities
US4780274A (en) * 1983-12-03 1988-10-25 Reed Tool Company, Ltd. Manufacture of rotary drill bits
EP0601840A1 (fr) * 1992-12-10 1994-06-15 Camco Drilling Group Limited Perfectionements des trépans de forage rotatifs
US5441817A (en) * 1992-10-21 1995-08-15 Smith International, Inc. Diamond and CBN cutting tools
US5543235A (en) * 1994-04-26 1996-08-06 Sintermet Multiple grade cemented carbide articles and a method of making the same
US5875862A (en) * 1995-07-14 1999-03-02 U.S. Synthetic Corporation Polycrystalline diamond cutter with integral carbide/diamond transition layer
US5988302A (en) * 1995-11-17 1999-11-23 Camco International, Inc. Hardmetal facing for earth boring drill bit
US6029760A (en) * 1998-03-17 2000-02-29 Hall; David R. Superhard cutting element utilizing tough reinforcement posts
US6361873B1 (en) * 1997-07-31 2002-03-26 Smith International, Inc. Composite constructions having ordered microstructures
US20040245024A1 (en) * 2003-06-05 2004-12-09 Kembaiyan Kumar T. Bit body formed of multiple matrix materials and method for making the same

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3260579A (en) * 1962-02-14 1966-07-12 Hughes Tool Co Hardfacing structure
US3800891A (en) * 1968-04-18 1974-04-02 Hughes Tool Co Hardfacing compositions and gage hardfacing on rolling cutter rock bits
NL7703234A (nl) * 1977-03-25 1978-09-27 Skf Ind Trading & Dev Werkwijze voor het vervaardigen van een boorkop voorzien van harde slijtvaste elementen, als- mede boorkop vervaardigd volgens de werkwijze.
US4372404A (en) * 1980-09-10 1983-02-08 Reed Rock Bit Company Cutting teeth for rolling cutter drill bit
US4398952A (en) * 1980-09-10 1983-08-16 Reed Rock Bit Company Methods of manufacturing gradient composite metallic structures
US4368788A (en) * 1980-09-10 1983-01-18 Reed Rock Bit Company Metal cutting tools utilizing gradient composites
US4455278A (en) * 1980-12-02 1984-06-19 Skf Industrial Trading & Development Company, B.V. Method for producing an object on which an exterior layer is applied by thermal spraying and object, in particular a drill bit, obtained pursuant to this method
US4365679A (en) * 1980-12-02 1982-12-28 Skf Engineering And Research Centre, B.V. Drill bit
US4396077A (en) * 1981-09-21 1983-08-02 Strata Bit Corporation Drill bit with carbide coated cutting face
US4499795A (en) * 1983-09-23 1985-02-19 Strata Bit Corporation Method of drill bit manufacture
US4539175A (en) * 1983-09-26 1985-09-03 Metal Alloys Inc. Method of object consolidation employing graphite particulate
US4593776A (en) * 1984-03-28 1986-06-10 Smith International, Inc. Rock bits having metallurgically bonded cutter inserts
US4630692A (en) * 1984-07-23 1986-12-23 Cdp, Ltd. Consolidation of a drilling element from separate metallic components
US4592252A (en) * 1984-07-23 1986-06-03 Cdp, Ltd. Rolling cutters for drill bits, and processes to produce same
US4597456A (en) * 1984-07-23 1986-07-01 Cdp, Ltd. Conical cutters for drill bits, and processes to produce same
US4562892A (en) * 1984-07-23 1986-01-07 Cdp, Ltd. Rolling cutters for drill bits
US4554130A (en) * 1984-10-01 1985-11-19 Cdp, Ltd. Consolidation of a part from separate metallic components
US4856311A (en) * 1987-06-11 1989-08-15 Vital Force, Inc. Apparatus and method for the rapid attainment of high hydrostatic pressures and concurrent delivery to a workpiece
US4726432A (en) * 1987-07-13 1988-02-23 Hughes Tool Company-Usa Differentially hardfaced rock bit
GB8725671D0 (en) * 1987-11-03 1987-12-09 Reed Tool Co Manufacture of rotary drill bits
US4944774A (en) * 1987-12-29 1990-07-31 Smith International, Inc. Hard facing for milled tooth rock bits
US4836307A (en) * 1987-12-29 1989-06-06 Smith International, Inc. Hard facing for milled tooth rock bits
US4884477A (en) * 1988-03-31 1989-12-05 Eastman Christensen Company Rotary drill bit with abrasion and erosion resistant facing
US4992082A (en) * 1989-01-12 1991-02-12 Ford Motor Company Method of toughening diamond coated tools
US4942750A (en) * 1989-01-23 1990-07-24 Vital Force, Inc. Apparatus and method for the rapid attainment of high hydrostatic pressures and concurrent delivery to a workpiece
US5279374A (en) * 1990-08-17 1994-01-18 Sievers G Kelly Downhole drill bit cone with uninterrupted refractory coating
US5032352A (en) * 1990-09-21 1991-07-16 Ceracon, Inc. Composite body formation of consolidated powder metal part
US5110542A (en) * 1991-03-04 1992-05-05 Vital Force, Inc. Rapid densification of materials
US5492186A (en) * 1994-09-30 1996-02-20 Baker Hughes Incorporated Steel tooth bit with a bi-metallic gage hardfacing
US5561834A (en) * 1995-05-02 1996-10-01 General Motors Corporation Pneumatic isostatic compaction of sintered compacts
US5816090A (en) * 1995-12-11 1998-10-06 Ametek Specialty Metal Products Division Method for pneumatic isostatic processing of a workpiece
US7124753B2 (en) * 1997-04-04 2006-10-24 Chien-Min Sung Brazed diamond tools and methods for making the same
TW394723B (en) * 1997-04-04 2000-06-21 Sung Chien Min Abrasive tools with patterned grit distribution and method of manufacture
US5967248A (en) * 1997-10-14 1999-10-19 Camco International Inc. Rock bit hardmetal overlay and process of manufacture
US7175786B2 (en) * 2003-02-05 2007-02-13 3M Innovative Properties Co. Methods of making Al2O3-SiO2 ceramics
US20050025973A1 (en) * 2003-07-25 2005-02-03 Slutz David E. CVD diamond-coated composite substrate containing a carbide-forming material and ceramic phases and method for making same

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4154900A (en) * 1976-05-14 1979-05-15 Taiho Kogyo Co., Ltd. Composite material of ferrous cladding material and aluminum cast matrix and method for producing the same
US4277106A (en) * 1979-10-22 1981-07-07 Syndrill Carbide Diamond Company Self renewing working tip mining pick
US4629373A (en) * 1983-06-22 1986-12-16 Megadiamond Industries, Inc. Polycrystalline diamond body with enhanced surface irregularities
US4780274A (en) * 1983-12-03 1988-10-25 Reed Tool Company, Ltd. Manufacture of rotary drill bits
US5441817A (en) * 1992-10-21 1995-08-15 Smith International, Inc. Diamond and CBN cutting tools
EP0601840A1 (fr) * 1992-12-10 1994-06-15 Camco Drilling Group Limited Perfectionements des trépans de forage rotatifs
US5543235A (en) * 1994-04-26 1996-08-06 Sintermet Multiple grade cemented carbide articles and a method of making the same
US5875862A (en) * 1995-07-14 1999-03-02 U.S. Synthetic Corporation Polycrystalline diamond cutter with integral carbide/diamond transition layer
US5988302A (en) * 1995-11-17 1999-11-23 Camco International, Inc. Hardmetal facing for earth boring drill bit
US6361873B1 (en) * 1997-07-31 2002-03-26 Smith International, Inc. Composite constructions having ordered microstructures
US6029760A (en) * 1998-03-17 2000-02-29 Hall; David R. Superhard cutting element utilizing tough reinforcement posts
US20040245024A1 (en) * 2003-06-05 2004-12-09 Kembaiyan Kumar T. Bit body formed of multiple matrix materials and method for making the same

Also Published As

Publication number Publication date
EP1716948A2 (fr) 2006-11-02
CA2544654A1 (fr) 2006-10-26
US20060237236A1 (en) 2006-10-26

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