CA2258161C - Elements metallique de poudre avec surface densifiee - Google Patents

Elements metallique de poudre avec surface densifiee Download PDF

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Publication number
CA2258161C
CA2258161C CA002258161A CA2258161A CA2258161C CA 2258161 C CA2258161 C CA 2258161C CA 002258161 A CA002258161 A CA 002258161A CA 2258161 A CA2258161 A CA 2258161A CA 2258161 C CA2258161 C CA 2258161C
Authority
CA
Canada
Prior art keywords
iron
process according
powder
compacted
mpa
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
CA002258161A
Other languages
English (en)
Other versions
CA2258161A1 (fr
Inventor
Owe Mars
Nils Carlbaum
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.)
Hoganas AB
Original Assignee
Hoganas AB
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
Priority claimed from SE9602376A external-priority patent/SE9602376D0/xx
Application filed by Hoganas AB filed Critical Hoganas AB
Publication of CA2258161A1 publication Critical patent/CA2258161A1/fr
Application granted granted Critical
Publication of CA2258161C publication Critical patent/CA2258161C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
    • 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
    • B22F3/12—Both compacting and sintering
    • B22F3/16—Both compacting and sintering in successive or repeated steps
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
    • C21D7/06—Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like
    • 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
    • B22F3/12—Both compacting and sintering
    • B22F3/16—Both compacting and sintering in successive or repeated steps
    • B22F3/164—Partial deformation or calibration
    • B22F2003/166—Surface calibration, blasting, burnishing, sizing, coining

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)

Abstract

Eléments comprimés et facultativement préfrittés préparés avec des poudres métalliques et qui possèdent des surfaces densifiées obtenues par grenaillage ou cylindrage.
CA002258161A 1996-06-14 1997-06-12 Elements metallique de poudre avec surface densifiee Expired - Fee Related CA2258161C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9602376A SE9602376D0 (sv) 1996-06-14 1996-06-14 Compact body
SE9602376-7 1996-06-14
PCT/SE1997/001027 WO1997047418A1 (fr) 1996-06-14 1997-06-12 Elements metallique de poudre avec surface densifiee

Publications (2)

Publication Number Publication Date
CA2258161A1 CA2258161A1 (fr) 1997-12-18
CA2258161C true CA2258161C (fr) 2007-01-23

Family

ID=37684483

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002258161A Expired - Fee Related CA2258161C (fr) 1996-06-14 1997-06-12 Elements metallique de poudre avec surface densifiee

Country Status (1)

Country Link
CA (1) CA2258161C (fr)

Also Published As

Publication number Publication date
CA2258161A1 (fr) 1997-12-18

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