EP1850989A4 - Method of forming powder metal components having surface densification - Google Patents

Method of forming powder metal components having surface densification

Info

Publication number
EP1850989A4
EP1850989A4 EP05823969A EP05823969A EP1850989A4 EP 1850989 A4 EP1850989 A4 EP 1850989A4 EP 05823969 A EP05823969 A EP 05823969A EP 05823969 A EP05823969 A EP 05823969A EP 1850989 A4 EP1850989 A4 EP 1850989A4
Authority
EP
European Patent Office
Prior art keywords
metal components
powder metal
forming powder
surface densification
densification
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Withdrawn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
EP05823969A
Other languages
German (de)
French (fr)
Other versions
EP1850989A1 (en
Inventor
Huw David
Peter K Jones
Roger Lawcock
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.)
Stackpole Ltd
Original Assignee
Stackpole 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 Stackpole Ltd filed Critical Stackpole Ltd
Publication of EP1850989A1 publication Critical patent/EP1850989A1/en
Publication of EP1850989A4 publication Critical patent/EP1850989A4/en
Withdrawn legal-status Critical Current

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
    • B22F3/16—Both compacting and sintering in successive or repeated steps
    • B22F3/164—Partial deformation or calibration
    • B22F3/168—Local deformation
    • 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
    • C22C1/11—Making amorphous alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0207—Using a mixture of prealloyed powders or a master alloy
    • 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
    • B22F3/16—Both compacting and sintering in successive or repeated steps
    • B22F3/164—Partial deformation or calibration
    • B22F2003/166—Surface calibration, blasting, burnishing, sizing, coining
    • 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
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
EP05823969A 2005-01-05 2005-12-23 Method of forming powder metal components having surface densification Withdrawn EP1850989A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US64113605P 2005-01-05 2005-01-05
PCT/CA2005/001970 WO2006072162A1 (en) 2005-01-05 2005-12-23 Method of forming powder metal components having surface densification

Publications (2)

Publication Number Publication Date
EP1850989A1 EP1850989A1 (en) 2007-11-07
EP1850989A4 true EP1850989A4 (en) 2011-06-29

Family

ID=36647386

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05823969A Withdrawn EP1850989A4 (en) 2005-01-05 2005-12-23 Method of forming powder metal components having surface densification

Country Status (6)

Country Link
US (1) US20090129964A1 (en)
EP (1) EP1850989A4 (en)
JP (1) JP2008527166A (en)
CA (1) CA2594364A1 (en)
MX (1) MX2007008208A (en)
WO (1) WO2006072162A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100178194A1 (en) * 2009-01-12 2010-07-15 Accellent, Inc. Powder extrusion of shaped sections
CN101879598B (en) * 2010-06-28 2011-09-28 莱芜钢铁股份有限公司 Manufacture method of powder alloy self-lubricating bearing for continuous casting crystallizer
JP5936954B2 (en) * 2012-08-23 2016-06-22 Ntn株式会社 Manufacturing method of machine parts
WO2016172032A1 (en) * 2015-04-23 2016-10-27 The Timken Company Method of forming a bearing component
CN107763171A (en) * 2016-08-22 2018-03-06 德昌电机(深圳)有限公司 A kind of gear ring body, the mechanical reduction gear comprising the gear ring body and the mould for producing the gear ring body
US10480619B2 (en) * 2016-08-22 2019-11-19 Johnson Electric International AG Ring gear, gear device and mold for manufacturing the ring gear
DE102018105782A1 (en) * 2018-03-13 2019-09-19 Schunk Sintermetalltechnik Gmbh Process and treatment device for the production of powder metallurgical sintered molded parts
WO2022036157A1 (en) * 2020-08-12 2022-02-17 Montana Technological University Dry metal alloying compositions and related methods

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5540883A (en) * 1992-12-21 1996-07-30 Stackpole Limited Method of producing bearings
EP0826448A1 (en) * 1996-08-30 1998-03-04 Borg-Warner Automotive, Inc. Method of forming powdered metal forged parts after cold working
US5997805A (en) * 1997-06-19 1999-12-07 Stackpole Limited High carbon, high density forming
US6592809B1 (en) * 2000-10-03 2003-07-15 Keystone Investment Corporation Method for forming powder metal gears
US20040177719A1 (en) * 2003-10-03 2004-09-16 Kosco John C. Powder metal materials and parts and methods of making the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5711187A (en) * 1990-10-08 1998-01-27 Formflo Ltd. Gear wheels rolled from powder metal blanks and method of manufacture
AU2569292A (en) * 1992-09-09 1994-03-29 Stackpole Limited Powder metal alloy process
WO1998016338A1 (en) * 1996-10-15 1998-04-23 Zenith Sintered Products, Inc. Surface densification of machine components made by powder metallurgy
US6143240A (en) * 1997-11-14 2000-11-07 Stackpole Limited High density forming process with powder blends
US6110419A (en) * 1997-12-02 2000-08-29 Stackpole Limited Point contact densification
US5972132A (en) * 1998-02-11 1999-10-26 Zenith Sintered Products, Inc. Progressive densification of powder metallurgy circular surfaces
US6168754B1 (en) * 1999-02-17 2001-01-02 Federal-Mogul World Wide, Inc. Method and apparatus for densifying powder metal preforms
US7393498B2 (en) * 2004-04-21 2008-07-01 Hoganas Ab Sintered metal parts and method for the manufacturing thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5540883A (en) * 1992-12-21 1996-07-30 Stackpole Limited Method of producing bearings
EP0826448A1 (en) * 1996-08-30 1998-03-04 Borg-Warner Automotive, Inc. Method of forming powdered metal forged parts after cold working
US5997805A (en) * 1997-06-19 1999-12-07 Stackpole Limited High carbon, high density forming
US6592809B1 (en) * 2000-10-03 2003-07-15 Keystone Investment Corporation Method for forming powder metal gears
US20040177719A1 (en) * 2003-10-03 2004-09-16 Kosco John C. Powder metal materials and parts and methods of making the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006072162A1 *

Also Published As

Publication number Publication date
CA2594364A1 (en) 2006-07-13
EP1850989A1 (en) 2007-11-07
MX2007008208A (en) 2007-11-07
JP2008527166A (en) 2008-07-24
US20090129964A1 (en) 2009-05-21
WO2006072162A1 (en) 2006-07-13

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DAX Request for extension of the european patent (deleted)
RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 1/04 20060101ALI20110502BHEP

Ipc: B22F 3/03 20060101ALI20110502BHEP

Ipc: B22F 3/24 20060101ALI20110502BHEP

Ipc: B22F 3/18 20060101ALI20110502BHEP

Ipc: B22F 5/08 20060101ALI20110502BHEP

Ipc: B22F 3/12 20060101AFI20060719BHEP

Ipc: B22F 5/00 20060101ALI20110502BHEP

Ipc: B22F 3/16 20060101ALI20110502BHEP

A4 Supplementary search report drawn up and despatched

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