DE3166981D1 - Surface hardened sintered iron workpiece and method of manufacturing this workpiece - Google Patents

Surface hardened sintered iron workpiece and method of manufacturing this workpiece

Info

Publication number
DE3166981D1
DE3166981D1 DE8181106947T DE3166981T DE3166981D1 DE 3166981 D1 DE3166981 D1 DE 3166981D1 DE 8181106947 T DE8181106947 T DE 8181106947T DE 3166981 T DE3166981 T DE 3166981T DE 3166981 D1 DE3166981 D1 DE 3166981D1
Authority
DE
Germany
Prior art keywords
workpiece
manufacturing
surface hardened
sintered iron
hardened sintered
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
Application number
DE8181106947T
Other languages
English (en)
Inventor
Werner Dipl Ing Bodden
Winfried Diegelmann
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.)
Schunk and Ebe GmbH
Original Assignee
Schunk and Ebe 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 Schunk and Ebe GmbH filed Critical Schunk and Ebe GmbH
Priority to DE8181106947T priority Critical patent/DE3166981D1/de
Application granted granted Critical
Publication of DE3166981D1 publication Critical patent/DE3166981D1/de
Expired 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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/02—Pretreatment of the material to be coated
    • 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
DE8181106947T 1980-09-23 1981-09-04 Surface hardened sintered iron workpiece and method of manufacturing this workpiece Expired DE3166981D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8181106947T DE3166981D1 (en) 1980-09-23 1981-09-04 Surface hardened sintered iron workpiece and method of manufacturing this workpiece

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3035772A DE3035772C2 (de) 1980-09-23 1980-09-23 Verfahren zur Herstellung eines oberflächengehärteten Sintereisenteils
DE8181106947T DE3166981D1 (en) 1980-09-23 1981-09-04 Surface hardened sintered iron workpiece and method of manufacturing this workpiece

Publications (1)

Publication Number Publication Date
DE3166981D1 true DE3166981D1 (en) 1984-12-06

Family

ID=6112598

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3035772A Expired DE3035772C2 (de) 1980-09-23 1980-09-23 Verfahren zur Herstellung eines oberflächengehärteten Sintereisenteils
DE8181106947T Expired DE3166981D1 (en) 1980-09-23 1981-09-04 Surface hardened sintered iron workpiece and method of manufacturing this workpiece

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3035772A Expired DE3035772C2 (de) 1980-09-23 1980-09-23 Verfahren zur Herstellung eines oberflächengehärteten Sintereisenteils

Country Status (6)

Country Link
US (1) US4508681A (de)
EP (1) EP0049373B1 (de)
JP (1) JPS5785904A (de)
AT (1) ATE10070T1 (de)
BR (1) BR8106065A (de)
DE (2) DE3035772C2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE446605B (sv) * 1985-02-13 1986-09-29 Ibm Svenska Ab Vakuumimpregnering av sintrade material med torrt smorjmedel
WO1998016338A1 (en) * 1996-10-15 1998-04-23 Zenith Sintered Products, Inc. Surface densification of machine components made by powder metallurgy
DE19738919C1 (de) 1997-09-05 1999-04-29 Maxon Motor Gmbh Verfahren zur Herstellung eines Gleitlagers und Gleitlager
JP3606434B2 (ja) * 1999-09-28 2005-01-05 スズキ株式会社 焼結部材の硬化処理方法
US6759087B1 (en) 2002-04-10 2004-07-06 Conspectus, Inc. Solution for sealing porous metal substrates and process of applying the solution
US20070047857A1 (en) * 2005-08-26 2007-03-01 Tsutomu Hamada Sleeve for hydrodynamic bearing device, hydrodynamic bearing device and spindle motor using the same, and method for manufacturing sleeve

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE880448C (de) * 1943-07-13 1953-06-22 Boehler & Co Ag Geb Verfahren zum Abdecken von Werkstoffteilen aus Sonderstahl, die beim Nitriervorgang vor der Einwirkung des Nitriermittels geschuetzt werden sollen
NO135019C (de) * 1968-09-26 1977-01-26 Allegheny Ludlum Steel
DE2050576C3 (de) * 1970-10-15 1975-03-13 Schunk & Ebe Gmbh, 6301 Heuchelheim Verfahren zur Oberflächenveredelung von Sintermetallteilen
GB1450937A (en) * 1973-07-03 1976-09-29 British Steel Corp Production and subsequent carburisation of steel products motor vehicle folding rear seat assembly
US4071382A (en) * 1976-07-22 1978-01-31 Midland-Ross Corporation Method for case hardening powdered metal parts

Also Published As

Publication number Publication date
DE3035772C2 (de) 1982-09-30
JPS5785904A (en) 1982-05-28
DE3035772A1 (de) 1982-05-13
EP0049373A1 (de) 1982-04-14
US4508681A (en) 1985-04-02
EP0049373B1 (de) 1984-10-31
ATE10070T1 (de) 1984-11-15
BR8106065A (pt) 1982-06-08

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee