DE3734002C2 - - Google Patents

Info

Publication number
DE3734002C2
DE3734002C2 DE19873734002 DE3734002A DE3734002C2 DE 3734002 C2 DE3734002 C2 DE 3734002C2 DE 19873734002 DE19873734002 DE 19873734002 DE 3734002 A DE3734002 A DE 3734002A DE 3734002 C2 DE3734002 C2 DE 3734002C2
Authority
DE
Germany
Prior art keywords
sintered
parts
layer
iron
magnetite
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 - Lifetime
Application number
DE19873734002
Other languages
German (de)
English (en)
Other versions
DE3734002A1 (de
Inventor
Ewald Dipl.-Ing. 5300 Bonn De May
Bernhard Dr.-Ing. 5330 Koenigswinter De Schelb
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.)
GKN Sinter Metals GmbH
Original Assignee
Ringsdorff-Werke 5300 Bonn De 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 Ringsdorff-Werke 5300 Bonn De GmbH filed Critical Ringsdorff-Werke 5300 Bonn De GmbH
Priority to DE19873734002 priority Critical patent/DE3734002A1/de
Publication of DE3734002A1 publication Critical patent/DE3734002A1/de
Application granted granted Critical
Publication of DE3734002C2 publication Critical patent/DE3734002C2/de
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • 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
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
DE19873734002 1987-10-08 1987-10-08 Verfahren zum herstellen eines bauteils aus sintereisen oder sinterstahl Granted DE3734002A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873734002 DE3734002A1 (de) 1987-10-08 1987-10-08 Verfahren zum herstellen eines bauteils aus sintereisen oder sinterstahl

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873734002 DE3734002A1 (de) 1987-10-08 1987-10-08 Verfahren zum herstellen eines bauteils aus sintereisen oder sinterstahl

Publications (2)

Publication Number Publication Date
DE3734002A1 DE3734002A1 (de) 1989-04-20
DE3734002C2 true DE3734002C2 (online.php) 1992-12-10

Family

ID=6337869

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873734002 Granted DE3734002A1 (de) 1987-10-08 1987-10-08 Verfahren zum herstellen eines bauteils aus sintereisen oder sinterstahl

Country Status (1)

Country Link
DE (1) DE3734002A1 (online.php)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19508952A1 (de) * 1995-03-13 1996-09-19 Schwaebische Huettenwerke Gmbh Vorrichtung zur Erzeugung eines Formteils und entsprechendes Formteil

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4110023A1 (de) * 1991-03-27 1992-10-01 Ringsdorff Werke Gmbh Stossdaempferkolben aus ungleichen, gefuegten teilen
DE4417663C2 (de) * 1994-05-20 2003-12-04 Gkn Sinter Metals Gmbh Preßteil aus Metallpulver, Verfahren und Vorrichtung zu seiner Herstellung
GB2447029A (en) * 2007-03-02 2008-09-03 Nissan Motor Mfg Sintered steel component with layer of Fe3O4

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19508952A1 (de) * 1995-03-13 1996-09-19 Schwaebische Huettenwerke Gmbh Vorrichtung zur Erzeugung eines Formteils und entsprechendes Formteil
DE19508952C2 (de) * 1995-03-13 1998-04-16 Schwaebische Huettenwerke Gmbh Preßvorrichtung zur Erzeugung eines Formteils und entsprechendes Formteil

Also Published As

Publication number Publication date
DE3734002A1 (de) 1989-04-20

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: RINGSDORFF SINTER GMBH, 53177 BONN, DE

8327 Change in the person/name/address of the patent owner

Owner name: KREBSOEGE SINTERHOLDING GMBH, 42477 RADEVORMWALD,

8327 Change in the person/name/address of the patent owner

Owner name: GKN SINTER METALS HOLDING GMBH, 42477 RADEVORMWALD

8327 Change in the person/name/address of the patent owner

Owner name: GKN SINTER METALS GMBH, 42477 RADEVORMWALD, DE