CH549427A - Verfahren zur herstellung von ventilsitzringen auf pulvermetallurgischem wege. - Google Patents

Verfahren zur herstellung von ventilsitzringen auf pulvermetallurgischem wege.

Info

Publication number
CH549427A
CH549427A CH392172A CH392172A CH549427A CH 549427 A CH549427 A CH 549427A CH 392172 A CH392172 A CH 392172A CH 392172 A CH392172 A CH 392172A CH 549427 A CH549427 A CH 549427A
Authority
CH
Switzerland
Prior art keywords
valve seating
powder metallurgical
seating rings
manufacturing valve
ways
Prior art date
Application number
CH392172A
Other languages
English (en)
Original Assignee
Koehler Michael
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 Koehler Michael filed Critical Koehler Michael
Publication of CH549427A publication Critical patent/CH549427A/de

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
    • C22C33/0207—Using a mixture of prealloyed powders or a master alloy
    • 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
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C22C33/0285—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with Cr, Co, or Ni having a minimum content higher than 5%

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
CH392172A 1971-03-24 1972-03-16 Verfahren zur herstellung von ventilsitzringen auf pulvermetallurgischem wege. CH549427A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712114160 DE2114160B2 (de) 1971-03-24 1971-03-24 Verfahren zur herstellung von ventilsitzringenx auf pulver metallurgischem wege

Publications (1)

Publication Number Publication Date
CH549427A true CH549427A (de) 1974-05-31

Family

ID=5802556

Family Applications (1)

Application Number Title Priority Date Filing Date
CH392172A CH549427A (de) 1971-03-24 1972-03-16 Verfahren zur herstellung von ventilsitzringen auf pulvermetallurgischem wege.

Country Status (11)

Country Link
US (1) US3810756A (de)
AT (1) AT324382B (de)
BE (1) BE780761A (de)
CA (1) CA966703A (de)
CH (1) CH549427A (de)
DE (1) DE2114160B2 (de)
FR (1) FR2130489B1 (de)
GB (1) GB1338182A (de)
IT (1) IT952193B (de)
LU (1) LU65022A1 (de)
SE (1) SE384040B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5346768B2 (de) * 1973-01-11 1978-12-16
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
FR2304678A1 (fr) * 1975-03-21 1976-10-15 Ugine Aciers Nouveau procede d'elaboration d'aciers a usinabilite amelioree a partir de metal divise
JPS51110119A (ja) * 1975-03-25 1976-09-29 Nissan Motor Nainenkikannobenza
US4098607A (en) * 1976-11-04 1978-07-04 The United States Of America As Represented By The Secretary Of The Army 18% Ni-Mo-Co maraging steel having improved toughness and its method of manufacture
US4422875A (en) * 1980-04-25 1983-12-27 Hitachi Powdered Metals Co., Ltd. Ferro-sintered alloys
EP0604773B2 (de) * 1992-11-27 2000-08-30 Toyota Jidosha Kabushiki Kaisha Eisenlegierungspulver zum Sintern, gesinterte Eisenlegierung mit Abtriebsbeständigkeit und Verfahren zur Herstellung desselben
US7722803B2 (en) * 2006-07-27 2010-05-25 Pmg Indiana Corp. High carbon surface densified sintered steel products and method of production therefor
CN102672179A (zh) * 2012-06-07 2012-09-19 太仓市锦立得粉末冶金有限公司 一种粉末冶金制品的生产工艺
CN102672186B (zh) * 2012-06-07 2013-12-25 太仓市锦立得粉末冶金有限公司 一种粉末冶金齿轮圈的制造工艺

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB553297A (en) * 1939-12-09 1943-05-17 Standard Oil Dev Co An improved process for the production of beta olefins from alpha olefins and from mixtures containing alpha olefins
FR1478137A (fr) * 1965-05-07 1967-04-21 Matériau à bonne caractéristique de glissement

Also Published As

Publication number Publication date
DE2114160B2 (de) 1972-03-16
LU65022A1 (de) 1972-07-11
BE780761A (fr) 1972-07-17
FR2130489B1 (de) 1976-08-06
AT324382B (de) 1975-08-25
IT952193B (it) 1973-07-20
US3810756A (en) 1974-05-14
SE384040B (sv) 1976-04-12
FR2130489A1 (de) 1972-11-03
DE2114160A1 (de) 1972-03-16
GB1338182A (en) 1973-11-21
CA966703A (en) 1975-04-29

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Legal Events

Date Code Title Description
PL Patent ceased