ES2526799T3 - Método de compactación mejorado - Google Patents

Método de compactación mejorado Download PDF

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Publication number
ES2526799T3
ES2526799T3 ES11720669.8T ES11720669T ES2526799T3 ES 2526799 T3 ES2526799 T3 ES 2526799T3 ES 11720669 T ES11720669 T ES 11720669T ES 2526799 T3 ES2526799 T3 ES 2526799T3
Authority
ES
Spain
Prior art keywords
compact
mpa
compaction method
improved compaction
rough
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.)
Active
Application number
ES11720669.8T
Other languages
English (en)
Inventor
Kalathur S. Narasimhan
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.)
Hoeganaes Corp
Original Assignee
Hoeganaes Corp
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 Hoeganaes Corp filed Critical Hoeganaes Corp
Application granted granted Critical
Publication of ES2526799T3 publication Critical patent/ES2526799T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • B22F3/02—Compacting only
    • 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

  • 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)
  • Soft Magnetic Materials (AREA)

Abstract

Un metodo de compactaci6n de composiciones pulvimetalurgicas, que comprende: la compactaci6n de una composici6n pulvimetalOrgica con base de hierro que comprende un polvo con base de hierro y un lubricante, utilizando una presi6n de 600 MPa a 800 MPa para formar un asi denominado compacto bruto; el calentamiento del compacto bruto a una temperatura de 300°C a 400°C y la recompactaci6n del compacto bruto utilizando una presi6n de al menos 800 MPa para formar una pieza compactada.

Description

imagen1
imagen2
imagen3
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Claims (1)

  1. imagen1
ES11720669.8T 2010-05-07 2011-05-06 Método de compactación mejorado Active ES2526799T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US33243110P 2010-05-07 2010-05-07
US332431P 2010-05-07
PCT/US2011/035472 WO2011140417A1 (en) 2010-05-07 2011-05-06 Improved compaction methods

Publications (1)

Publication Number Publication Date
ES2526799T3 true ES2526799T3 (es) 2015-01-15

Family

ID=44260366

Family Applications (1)

Application Number Title Priority Date Filing Date
ES11720669.8T Active ES2526799T3 (es) 2010-05-07 2011-05-06 Método de compactación mejorado

Country Status (6)

Country Link
US (1) US8574489B2 (es)
EP (1) EP2566639B1 (es)
CN (1) CN102917819B (es)
BR (1) BR112012026850B1 (es)
ES (1) ES2526799T3 (es)
WO (1) WO2011140417A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109765258B (zh) * 2019-01-09 2021-07-23 上海公路桥梁（集团）有限公司 沥青铺面的压实温度的监控方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5080712B1 (en) * 1990-05-16 1996-10-29 Hoeganaes Corp Optimized double press-double sinter powder metallurgy method
US5330792A (en) 1992-11-13 1994-07-19 Hoeganaes Corporation Method of making lubricated metallurgical powder composition
US5368630A (en) 1993-04-13 1994-11-29 Hoeganaes Corporation Metal powder compositions containing binding agents for elevated temperature compaction
US5498276A (en) 1994-09-14 1996-03-12 Hoeganaes Corporation Iron-based powder compositions containing green strengh enhancing lubricants
EP0881959B1 (en) * 1996-02-23 2003-09-03 Höganäs Ab Phosphate coated iron powder and method for the manufacturing thereof
US6126894A (en) * 1999-04-05 2000-10-03 Vladimir S. Moxson Method of producing high density sintered articles from iron-silicon alloys
JP4904159B2 (ja) * 2004-09-21 2012-03-28 住友電気工業株式会社 圧粉成形体の製造方法および圧粉成形体
WO2009136854A1 (en) * 2008-05-09 2009-11-12 Höganäs Ab (Publ) Method for improving the magnetic properties of a compacted and heat treated soft magnetic composite component

Also Published As

Publication number Publication date
US8574489B2 (en) 2013-11-05
BR112012026850B1 (pt) 2018-12-04
US20110274577A1 (en) 2011-11-10
WO2011140417A1 (en) 2011-11-10
CN102917819A (zh) 2013-02-06
EP2566639B1 (en) 2014-11-19
BR112012026850A2 (pt) 2016-07-12
EP2566639A1 (en) 2013-03-13
CN102917819B (zh) 2015-04-01

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