EP0334968A4 - Composite alloy steel powder and sintered alloy steel. - Google Patents

Composite alloy steel powder and sintered alloy steel.

Info

Publication number
EP0334968A4
EP0334968A4 EP19880908393 EP88908393A EP0334968A4 EP 0334968 A4 EP0334968 A4 EP 0334968A4 EP 19880908393 EP19880908393 EP 19880908393 EP 88908393 A EP88908393 A EP 88908393A EP 0334968 A4 EP0334968 A4 EP 0334968A4
Authority
EP
European Patent Office
Prior art keywords
alloy steel
composite
powder
sintered
sintered alloy
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
EP19880908393
Other languages
German (de)
French (fr)
Other versions
EP0334968A1 (en
EP0334968B1 (en
Inventor
Shigeaki Takajo
Osamu Furukimi
Kuniaki Ogura
Keiichi Maruta
Teruyoshi Abe
Ichio Sakurada
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
Kawasaki 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27305701&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0334968(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority claimed from PCT/JP1988/001007 external-priority patent/WO1989002802A1/en
Publication of EP0334968A1 publication Critical patent/EP0334968A1/en
Publication of EP0334968A4 publication Critical patent/EP0334968A4/en
Application granted granted Critical
Publication of EP0334968B1 publication Critical patent/EP0334968B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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%
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
EP88908393A 1987-09-30 1988-09-30 Composite alloy steel powder and sintered alloy steel Expired - Lifetime EP0334968B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP244074/87 1987-09-30
JP24407487 1987-09-30
JP137400/88 1988-06-06
JP13740088 1988-06-06
PCT/JP1988/001007 WO1989002802A1 (en) 1987-09-30 1988-09-30 Composite alloy steel powder and sintered alloy steel

Publications (3)

Publication Number Publication Date
EP0334968A1 EP0334968A1 (en) 1989-10-04
EP0334968A4 true EP0334968A4 (en) 1989-12-28
EP0334968B1 EP0334968B1 (en) 1995-02-08

Family

ID=27305701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88908393A Expired - Lifetime EP0334968B1 (en) 1987-09-30 1988-09-30 Composite alloy steel powder and sintered alloy steel

Country Status (1)

Country Link
EP (1) EP0334968B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9101819D0 (en) * 1991-06-12 1991-06-12 Hoeganaes Ab ANNUAL BASED POWDER COMPOSITION WHICH SINCERATES GOOD FORM STABILITY AFTER SINTERING
WO1994013418A1 (en) * 1992-12-11 1994-06-23 Höganäs Ab Iron-based powder composition
SE9401623D0 (en) * 1994-05-09 1994-05-09 Hoeganaes Ab Sintered products having improved density
JP3651420B2 (en) * 2000-08-31 2005-05-25 Ｊｆｅスチール株式会社 Alloy steel powder for powder metallurgy
CN100515613C (en) * 2004-04-22 2009-07-22 杰富意钢铁株式会社 Mixed powder for powder metallurgy
JP6309215B2 (en) * 2013-07-02 2018-04-11 Ntn株式会社 Sintered machine part manufacturing method and mixed powder used therefor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1914375A1 (en) * 1968-03-29 1969-10-09 Hoeganaes Ab Metal powder and process for the production of carbonaceous sintered steels of high strength, toughness and hardness
FR2084728A6 (en) * 1970-03-18 1971-12-17 Birmingham Small Arms Co
DE3227549A1 (en) * 1982-07-23 1984-01-26 Schunk & Ebe Gmbh, 6301 Heuchelheim Material for powder-metallurgical production of valve seat rings

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS497294B1 (en) * 1970-03-14 1974-02-19

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1914375A1 (en) * 1968-03-29 1969-10-09 Hoeganaes Ab Metal powder and process for the production of carbonaceous sintered steels of high strength, toughness and hardness
FR2084728A6 (en) * 1970-03-18 1971-12-17 Birmingham Small Arms Co
DE3227549A1 (en) * 1982-07-23 1984-01-26 Schunk & Ebe Gmbh, 6301 Heuchelheim Material for powder-metallurgical production of valve seat rings

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
See also references of WO8902802A1 *
WPI, FILE SUPPLIER, AN 76-74734X (40), Derwent Publications, Ltd, London, GB; & JP-A-51 094 408 (MITSUBISHI METAL K.K.) 20-08-1976 *

Also Published As

Publication number Publication date
EP0334968A1 (en) 1989-10-04
EP0334968B1 (en) 1995-02-08

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