DE58907598D1 - Process for producing a molded part from sintered steel and molded part produced therefrom. - Google Patents

Process for producing a molded part from sintered steel and molded part produced therefrom.

Info

Publication number
DE58907598D1
DE58907598D1 DE58907598T DE58907598T DE58907598D1 DE 58907598 D1 DE58907598 D1 DE 58907598D1 DE 58907598 T DE58907598 T DE 58907598T DE 58907598 T DE58907598 T DE 58907598T DE 58907598 D1 DE58907598 D1 DE 58907598D1
Authority
DE
Germany
Prior art keywords
molded part
producing
produced therefrom
sintered steel
part produced
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.)
Expired - Fee Related
Application number
DE58907598T
Other languages
German (de)
Inventor
Dieter Dr Rer Nat Pohl
Hans A Dipl Ing Haerle
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.)
Schwaebische Huettenwerke Automotive GmbH
Original Assignee
Schwaebische Huettenwerke Automotive GmbH
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 Schwaebische Huettenwerke Automotive GmbH filed Critical Schwaebische Huettenwerke Automotive GmbH
Application granted granted Critical
Publication of DE58907598D1 publication Critical patent/DE58907598D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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%
    • 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
    • B22F3/24—After-treatment of workpieces or articles
    • 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
    • B22F3/24—After-treatment of workpieces or articles
    • B22F3/26—Impregnating
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/20—Isothermal quenching, e.g. bainitic hardening

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Powder Metallurgy (AREA)
DE58907598T 1988-07-27 1989-07-19 Process for producing a molded part from sintered steel and molded part produced therefrom. Expired - Fee Related DE58907598D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3825463A DE3825463A1 (en) 1988-07-27 1988-07-27 METHOD FOR PRODUCING A MOLDING PART FROM SINTERMETAL AND MOLDING PART MADE THEREOF

Publications (1)

Publication Number Publication Date
DE58907598D1 true DE58907598D1 (en) 1994-06-09

Family

ID=6359640

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3825463A Withdrawn DE3825463A1 (en) 1988-07-27 1988-07-27 METHOD FOR PRODUCING A MOLDING PART FROM SINTERMETAL AND MOLDING PART MADE THEREOF
DE58907598T Expired - Fee Related DE58907598D1 (en) 1988-07-27 1989-07-19 Process for producing a molded part from sintered steel and molded part produced therefrom.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3825463A Withdrawn DE3825463A1 (en) 1988-07-27 1988-07-27 METHOD FOR PRODUCING A MOLDING PART FROM SINTERMETAL AND MOLDING PART MADE THEREOF

Country Status (4)

Country Link
EP (1) EP0354389B1 (en)
DE (2) DE3825463A1 (en)
ES (1) ES2054943T3 (en)
PT (1) PT91283B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19521941C1 (en) * 1995-06-07 1996-10-02 Mannesmann Ag Mfg. sintered air-hardenable alloy steel component
DE19524251C1 (en) * 1995-07-04 1997-02-13 Supervis Ets Process for producing a sintered molded part
JP4001450B2 (en) 2000-05-02 2007-10-31 日立粉末冶金株式会社 Valve seat for internal combustion engine and manufacturing method thereof
SE0201824D0 (en) * 2002-06-14 2002-06-14 Hoeganaes Ab Pre-alloyed iron based powder

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2566752A (en) * 1948-10-14 1951-09-04 American Electro Metal Corp Method of producing a ferrous metal article infiltrated with a cuprous infiltrant
US4002471A (en) * 1973-09-24 1977-01-11 Federal-Mogul Corporation Method of making a through-hardened scale-free forged powdered metal article without heat treatment after forging
JPS50115108A (en) * 1974-02-21 1975-09-09
US4343661A (en) * 1978-11-15 1982-08-10 Caterpillar Tractor Co. Method of making a low temperature bainite steel alloy gear
DE3142359A1 (en) * 1981-10-26 1983-05-05 Horst Dipl.-Phys. Dr. 6000 Frankfurt Mühlberger Process and device for heat-treating workpieces

Also Published As

Publication number Publication date
EP0354389B1 (en) 1994-05-04
ES2054943T3 (en) 1994-08-16
PT91283B (en) 1995-03-01
EP0354389A1 (en) 1990-02-14
DE3825463A1 (en) 1990-02-01
PT91283A (en) 1990-02-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee