EP2339042A4 - Process for production of sintered compact by powder metallurgy - Google Patents

Process for production of sintered compact by powder metallurgy

Info

Publication number
EP2339042A4
EP2339042A4 EP20090816266 EP09816266A EP2339042A4 EP 2339042 A4 EP2339042 A4 EP 2339042A4 EP 20090816266 EP20090816266 EP 20090816266 EP 09816266 A EP09816266 A EP 09816266A EP 2339042 A4 EP2339042 A4 EP 2339042A4
Authority
EP
European Patent Office
Prior art keywords
powder
sintered compact
powder metallurgy
mass
alloy steel
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
EP20090816266
Other languages
German (de)
French (fr)
Other versions
EP2339042B1 (en
EP2339042A1 (en
Inventor
Shigeru Unami
Yukiko Ozaki
Tadayuki Tsutsui
Yuji Yamanishi
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.)
JFE Steel Corp
Original Assignee
JFE Steel 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 JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP2339042A1 publication Critical patent/EP2339042A1/en
Publication of EP2339042A4 publication Critical patent/EP2339042A4/en
Application granted granted Critical
Publication of EP2339042B1 publication Critical patent/EP2339042B1/en
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
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0264—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements the maximum content of each alloying element not exceeding 5%
    • 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
    • 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
    • B22F3/10—Sintering only
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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

Abstract

In a method for producing a sintered compact by powder metallurgy, a high-strength sintered compact is produced at low cost using an alloy steel powder for powder metallurgy containing no nickel or copper by compacting the alloy steel powder for powder metallurgy or a mixed powder containing the alloy steel powder at a pressure of 700 MPa or more and sintering the compact at a temperature of 1,150°C to 1,300°C. The alloy steel powder used contains 0.3% to 0.7% by mass of chromium, 0.1% to 0.5% by mass of manganese, 0.1% to 0.5% by mass of molybdenum, and 0.25% to 0.5% by mass of oxygen, the balance being iron and incidental impurities.
EP09816266.2A 2008-09-24 2009-09-18 Process for production of sintered compact by powder metallurgy Active EP2339042B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008243485 2008-09-24
JP2009209266A JP5389577B2 (en) 2008-09-24 2009-09-10 Method for producing sintered body by powder metallurgy
PCT/JP2009/066865 WO2010035853A1 (en) 2008-09-24 2009-09-18 Process for production of sintered compact by powder metallurgy

Publications (3)

Publication Number Publication Date
EP2339042A1 EP2339042A1 (en) 2011-06-29
EP2339042A4 true EP2339042A4 (en) 2013-12-18
EP2339042B1 EP2339042B1 (en) 2015-11-04

Family

ID=42059841

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09816266.2A Active EP2339042B1 (en) 2008-09-24 2009-09-18 Process for production of sintered compact by powder metallurgy

Country Status (6)

Country Link
US (1) US20110176950A1 (en)
EP (1) EP2339042B1 (en)
JP (1) JP5389577B2 (en)
KR (1) KR101382304B1 (en)
CN (1) CN102165083B (en)
WO (1) WO2010035853A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012126971A (en) * 2010-12-16 2012-07-05 Jfe Steel Corp Alloy steel powder for powder metallurgy, iron-based sintered material, and method for producing the same
EP2800642B1 (en) * 2012-01-05 2020-07-01 Höganäs AB (publ) New metal powder and use thereof
CN103008664B (en) * 2012-11-25 2014-07-16 安徽普源分离机械制造有限公司 Preparation method for valve clack of butterfly valve
CN103056369A (en) * 2012-12-31 2013-04-24 上海汽车粉末冶金有限公司 Process for producing part by powder metallurgy
JP6155894B2 (en) * 2013-06-20 2017-07-05 株式会社豊田中央研究所 Iron-based sintered material and method for producing the same
EP3453475A1 (en) * 2014-04-22 2019-03-13 NTN Corporation Sintered mechanical component
JP6688287B2 (en) * 2014-09-16 2020-04-28 ホガナス アクチボラグ （パブル） Pre-alloyed iron-based powder, iron-based powder mixture containing pre-alloyed iron-based powder, and method of manufacturing press-formed and sintered parts from the iron-based powder mixture
JP6489684B2 (en) 2015-03-27 2019-03-27 株式会社ダイヤメット Heat-resistant sintered material with excellent oxidation resistance, high-temperature wear resistance, and salt damage resistance, and method for producing the same
KR102090035B1 (en) 2015-09-30 2020-03-17 제이에프이 스틸 가부시키가이샤 Method for manufacturing alloy steel powder for powder metallurgy
CN111902556B (en) * 2018-03-26 2021-11-19 杰富意钢铁株式会社 Alloy steel powder for powder metallurgy and iron-based mixed powder for powder metallurgy
US11668298B2 (en) * 2018-11-07 2023-06-06 Hyundai Motor Company Slide of variable oil pump for vehicle and method of manufacturing the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3687654A (en) * 1971-03-10 1972-08-29 Smith Inland A O Method of making alloy steel powder

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
JPS61117201A (en) 1984-11-10 1986-06-04 Toyota Motor Corp Low alloy iron powder for sintering
JPS62237518A (en) 1986-04-09 1987-10-17 Hitachi Ltd Data moving system
JPH03122202A (en) * 1989-10-04 1991-05-24 Daido Steel Co Ltd Manufacture of sintered metal product and metal powder for sintering
JPH04254502A (en) * 1991-02-04 1992-09-09 Seiko Electronic Components Ltd Injection-molding composition and production of metallic sintered body
JP3224417B2 (en) 1992-02-14 2001-10-29 川崎製鉄株式会社 Alloy steel powder and sintered body for sintered body having high strength, high fatigue strength and high toughness
CN1104570A (en) * 1993-05-18 1995-07-05 川崎制铁株式会社 Atomised iron powder for powder metallurgy
JPH0827536A (en) * 1994-07-15 1996-01-30 Sumitomo Metal Mining Co Ltd Production of sintered compact of stainless steel
JPH0959740A (en) * 1995-08-22 1997-03-04 Kobe Steel Ltd Powder mixture for powder metallurgy and its sintered compact
US5876481A (en) * 1996-06-14 1999-03-02 Quebec Metal Powders Limited Low alloy steel powders for sinterhardening
CA2372780C (en) * 2001-05-17 2007-02-13 Kawasaki Steel Corporation Iron-based mixed powder for powder metallurgy and iron-based sintered compact
JP2003026840A (en) * 2001-07-12 2003-01-29 Toray Ind Inc Foamed polyolefin resin article
JP2003268401A (en) 2002-03-14 2003-09-25 Toyota Motor Corp Method for manufacturing sintered member
SE0201824D0 (en) 2002-06-14 2002-06-14 Hoeganaes Ab Pre-alloyed iron based powder
US7384445B2 (en) * 2004-04-21 2008-06-10 Höganäs Ab Sintered metal parts and method for the manufacturing thereof
WO2005103315A1 (en) * 2004-04-23 2005-11-03 Kabushiki Kaisha Toyota Chuo Kenkyusho Iron-based sintered alloy, iron-based sintered alloy member and method for producing those

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3687654A (en) * 1971-03-10 1972-08-29 Smith Inland A O Method of making alloy steel powder

Also Published As

Publication number Publication date
KR20110042241A (en) 2011-04-25
JP5389577B2 (en) 2014-01-15
JP2010100932A (en) 2010-05-06
EP2339042B1 (en) 2015-11-04
WO2010035853A1 (en) 2010-04-01
US20110176950A1 (en) 2011-07-21
KR101382304B1 (en) 2014-04-08
CN102165083B (en) 2013-10-30
CN102165083A (en) 2011-08-24
EP2339042A1 (en) 2011-06-29

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