EP2662167A3 - Hot pressed net or near net shape powder component - Google Patents

Hot pressed net or near net shape powder component Download PDF

Info

Publication number
EP2662167A3
EP2662167A3 EP13179763.1A EP13179763A EP2662167A3 EP 2662167 A3 EP2662167 A3 EP 2662167A3 EP 13179763 A EP13179763 A EP 13179763A EP 2662167 A3 EP2662167 A3 EP 2662167A3
Authority
EP
European Patent Office
Prior art keywords
former
coating
component
pressed
net
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.)
Granted
Application number
EP13179763.1A
Other languages
German (de)
French (fr)
Other versions
EP2662167B1 (en
EP2662167A2 (en
Inventor
Geoffrey Frederick Archer
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.)
Advanced Interactive Materials Science Ltd
Original Assignee
Advanced Interactive Materials Science Ltd
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 Advanced Interactive Materials Science Ltd filed Critical Advanced Interactive Materials Science Ltd
Publication of EP2662167A2 publication Critical patent/EP2662167A2/en
Publication of EP2662167A3 publication Critical patent/EP2662167A3/en
Application granted granted Critical
Publication of EP2662167B1 publication Critical patent/EP2662167B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0433—Nickel- or cobalt-based alloys
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Filtering Materials (AREA)

Abstract

In a hot isostatic pressing process or hot uniaxial pressing process for producing a net or near net shape product, a diffusion filter comprising boron nitride is provided between a graphite former and metal powder to be pressed there against. The diffusion filter allows a controlled amount of carbon to diffuse into the surface of the pressed component. The boron nitride is conveniently applied as an aqueous slurry by spraying. In order to obtain adherence between the coating and the surfaces of the former, one or more thin ghost coat layers of slurry are applied to the surface of the graphite former before one or more layers of normal strength slurry are applied. Each layer of coating is allowed to dry before the next layer is applied, and the former may be heated to dry each layer. Pressed components of length greater than 2m can be processed, relative contraction of the component and former during cooling of the component being accommodated by the boron nitride coating on the former. The thickness of the coating can be determined by trials to achieve a controlled diffusion of carbon into the surface of the pressed component, and the dimensions of the former chosen to accommodate that thickness of coating.
EP13179763.1A 2007-11-22 2008-11-21 Hot pressed net or near net shape powder component Active EP2662167B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0722850.5A GB0722850D0 (en) 2007-11-22 2007-11-22 Net or near net shape powder metallurgy process
US2293508P 2008-01-23 2008-01-23
EP08852655.3A EP2217395B1 (en) 2007-11-22 2008-11-21 Powder metallurgy process for producing a net shape or near net shape

Related Parent Applications (5)

Application Number Title Priority Date Filing Date
PCT/GB2008/003906 Previously-Filed-Application WO2009066082A1 (en) 2007-11-22 2008-11-21 Net or near net shape powder metallurgy process
EP08852655.3 Division 2008-11-21
EP08852655.3A Division EP2217395B1 (en) 2007-11-22 2008-11-21 Powder metallurgy process for producing a net shape or near net shape
EP08852655.3A Division-Into EP2217395B1 (en) 2007-11-22 2008-11-21 Powder metallurgy process for producing a net shape or near net shape
WOPCT/GB2008/003906 Previously-Filed-Application 2008-11-21

Publications (3)

Publication Number Publication Date
EP2662167A2 EP2662167A2 (en) 2013-11-13
EP2662167A3 true EP2662167A3 (en) 2014-03-05
EP2662167B1 EP2662167B1 (en) 2017-03-22

Family

ID=38925835

Family Applications (2)

Application Number Title Priority Date Filing Date
EP13179763.1A Active EP2662167B1 (en) 2007-11-22 2008-11-21 Hot pressed net or near net shape powder component
EP08852655.3A Active EP2217395B1 (en) 2007-11-22 2008-11-21 Powder metallurgy process for producing a net shape or near net shape

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP08852655.3A Active EP2217395B1 (en) 2007-11-22 2008-11-21 Powder metallurgy process for producing a net shape or near net shape

Country Status (10)

Country Link
US (1) US20110038750A1 (en)
EP (2) EP2662167B1 (en)
CN (1) CN101868315B (en)
BR (1) BRPI0820415B1 (en)
CA (1) CA2744268A1 (en)
EA (1) EA026007B1 (en)
ES (1) ES2511843T3 (en)
GB (1) GB0722850D0 (en)
MX (1) MX336975B (en)
WO (1) WO2009066082A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0922488D0 (en) * 2009-12-23 2010-02-03 Advanced Interactive Materials Improvements in or relating to hot isostatic pressing
CN106319267A (en) * 2015-06-26 2017-01-11 华中科技大学 Hot-isostatic-pressing forming method for in-situ generation of continuous spatial net structure
CN105436505B (en) * 2015-11-14 2017-10-13 华中科技大学 A kind of high temperature insostatic pressing (HIP) manufacturing process for being used to improve surface quality of workpieces
WO2019122958A1 (en) * 2017-12-19 2019-06-27 Arcelormittal A coated steel substrate

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB846292A (en) * 1957-04-02 1960-08-31 Atomic Energy Authority Uk Production of shaped boron bodies
GB941795A (en) * 1962-01-08 1963-11-13 Valyi Emery I Improvements in or relating to permeable bodies
US20040055416A1 (en) * 2002-09-20 2004-03-25 Om Group High density, metal-based materials having low coefficients of friction and wear rates

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3049795A (en) * 1958-05-02 1962-08-21 Emery I Valyi Gas permeable body
GB1408572A (en) 1972-01-19 1975-10-01 Lucas Industries Ltd Method of producing a boron nitride coating on an article
US3975121A (en) * 1973-11-14 1976-08-17 Smith International, Inc. Wafer elements for progressing cavity stators
DE2437208C3 (en) * 1974-08-02 1979-07-19 Mannesmann Ag, 4000 Duesseldorf Storage and retrieval vehicle for high-rise freight container storage
ZA79440B (en) * 1978-02-10 1980-09-24 Oakes Ltd E T Drive arrangement
JPS56130451A (en) * 1980-03-13 1981-10-13 Daijietsuto Kogyo Kk Cubic boron nitride sintered body
JPS57181338A (en) * 1981-04-30 1982-11-08 Tatsuro Kuratomi Production of consolidated body of cubic boron nitride
JPS60184649A (en) * 1984-02-29 1985-09-20 Sumitomo Electric Ind Ltd Manufacture of sintered body of high pressure phase boron nitride
JPH02279575A (en) * 1989-04-18 1990-11-15 Nkk Corp Production of sintered ceramic body having dense ceramic film
US5171139A (en) * 1991-11-26 1992-12-15 Smith International, Inc. Moineau motor with conduits through the stator
US5799238A (en) * 1995-06-14 1998-08-25 The United States Of America As Represented By The United States Department Of Energy Method of making multilayered titanium ceramic composites
US5832604A (en) * 1995-09-08 1998-11-10 Hydro-Drill, Inc. Method of manufacturing segmented stators for helical gear pumps and motors
US5822853A (en) * 1996-06-24 1998-10-20 General Electric Company Method for making cylindrical structures with cooling channels
JP3410326B2 (en) * 1997-04-25 2003-05-26 日立粉末冶金株式会社 Method for producing iron-based sintered alloy, iron-based sintered alloy produced by this method, and bearing cap
JPH1121116A (en) * 1997-06-30 1999-01-26 Nippon Steel Corp Carbonaceous powder and carbonaceous fiber, coated with boron nitride
CN1112460C (en) * 1998-04-17 2003-06-25 清华大学 Method of preparing ceramic coating by laser smelting coating after metal surface plasma spray
CN1076012C (en) * 1998-04-24 2001-12-12 中国科学院上海硅酸盐研究所 Process for preparation of transparent aluminium nitride ceramic
US6241494B1 (en) * 1998-09-18 2001-06-05 Schlumberger Technology Company Non-elastomeric stator and downhole drilling motors incorporating same
US7261855B2 (en) * 2004-03-26 2007-08-28 Igor Troitski Method and system for manufacturing of complex shape parts from powder materials by hot isostatic pressing with controlled pressure inside the tooling and providing the shape of the part by multi-layer inserts
US7739792B2 (en) * 2006-07-31 2010-06-22 Schlumberger Technology Corporation Method of forming controlled thickness resilient material lined stator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB846292A (en) * 1957-04-02 1960-08-31 Atomic Energy Authority Uk Production of shaped boron bodies
GB941795A (en) * 1962-01-08 1963-11-13 Valyi Emery I Improvements in or relating to permeable bodies
US20040055416A1 (en) * 2002-09-20 2004-03-25 Om Group High density, metal-based materials having low coefficients of friction and wear rates

Also Published As

Publication number Publication date
WO2009066082A1 (en) 2009-05-28
CN101868315B (en) 2013-06-12
BRPI0820415B1 (en) 2017-09-12
CN101868315A (en) 2010-10-20
EA026007B1 (en) 2017-02-28
EA201000852A1 (en) 2010-10-29
BRPI0820415A2 (en) 2015-05-19
EP2662167B1 (en) 2017-03-22
GB0722850D0 (en) 2008-01-02
ES2511843T3 (en) 2014-10-23
EP2217395A1 (en) 2010-08-18
EP2662167A2 (en) 2013-11-13
MX336975B (en) 2016-02-09
EP2217395B1 (en) 2014-07-23
CA2744268A1 (en) 2009-05-28
US20110038750A1 (en) 2011-02-17
MX2010005306A (en) 2010-08-31

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