FR2147692A5 - Sintered alloy steels - contg metal sulphide additions insted of pure metals/alloys - Google Patents

Sintered alloy steels - contg metal sulphide additions insted of pure metals/alloys

Info

Publication number
FR2147692A5
FR2147692A5 FR7226969A FR7226969A FR2147692A5 FR 2147692 A5 FR2147692 A5 FR 2147692A5 FR 7226969 A FR7226969 A FR 7226969A FR 7226969 A FR7226969 A FR 7226969A FR 2147692 A5 FR2147692 A5 FR 2147692A5
Authority
FR
France
Prior art keywords
insted
additions
alloys
sintered alloy
alloy steels
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
FR7226969A
Other languages
French (fr)
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.)
FERROLEGERINGAR AB
Original Assignee
FERROLEGERINGAR 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
Application filed by FERROLEGERINGAR AB filed Critical FERROLEGERINGAR AB
Application granted granted Critical
Publication of FR2147692A5 publication Critical patent/FR2147692A5/en
Expired 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%
    • C22C33/0271—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements the maximum content of each alloying element not exceeding 5% with only C, Mn, Si, P, S, As as alloying elements, e.g. carbon steel
    • 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
    • B22F3/10—Sintering only
    • B22F3/1003—Use of special medium during sintering, e.g. sintering aid
    • B22F3/1007—Atmosphere
    • 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)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)

Abstract

Steel alloy fabricated by mixing iron/steel powder, carbon (pref. graphite) powder, with a small amt. of a powder contg. >=1 alloy sulphide chosen from Cu, Ni Mo. Co, Sn and Cr, compressing and sintering in an inert or reducing atmos. at a temp >= the m.pt. of the sulphide. Higher strength with uniform strengths, hardness and porosity are obtained.
FR7226969A 1971-07-27 1972-07-26 Sintered alloy steels - contg metal sulphide additions insted of pure metals/alloys Expired FR2147692A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE960171A SE354590B (en) 1971-07-27 1971-07-27

Publications (1)

Publication Number Publication Date
FR2147692A5 true FR2147692A5 (en) 1973-03-09

Family

ID=20277066

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7226969A Expired FR2147692A5 (en) 1971-07-27 1972-07-26 Sintered alloy steels - contg metal sulphide additions insted of pure metals/alloys

Country Status (4)

Country Link
DE (1) DE2235669A1 (en)
FR (1) FR2147692A5 (en)
IT (1) IT965931B (en)
SE (1) SE354590B (en)

Also Published As

Publication number Publication date
DE2235669A1 (en) 1973-02-08
SE354590B (en) 1973-03-19
IT965931B (en) 1974-02-11

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Legal Events

Date Code Title Description
ST Notification of lapse