FR2431545A1 - Alliage perfectionne a base de cobalt et pieces coulees a partir de cet alliage - Google Patents

Alliage perfectionne a base de cobalt et pieces coulees a partir de cet alliage

Info

Publication number
FR2431545A1
FR2431545A1 FR7821380A FR7821380A FR2431545A1 FR 2431545 A1 FR2431545 A1 FR 2431545A1 FR 7821380 A FR7821380 A FR 7821380A FR 7821380 A FR7821380 A FR 7821380A FR 2431545 A1 FR2431545 A1 FR 2431545A1
Authority
FR
France
Prior art keywords
alloy
casts
improved cobalt
based alloy
weight
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.)
Withdrawn
Application number
FR7821380A
Other languages
English (en)
Inventor
Russell Wayne Smashey
Elmer Lee Frey
George Vernon
George Steele Irons
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2431545A1 publication Critical patent/FR2431545A1/fr
Withdrawn legal-status Critical Current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
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/07—Alloys based on nickel or cobalt based on cobalt
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/52—Alloys

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

Alliage présentant une meilleure aptitude à la coulée avec solidification dirigée. Il comprend en poids : au moins 0,2 % de C, 24-27 % de Cr, 9-12 % de Ni, 7-9 % de W, jusqu'à 2 % de Fe, jusqu'à 0,3 % de Zr, jusqu'à 0,1 % de B, jusqu'à 1% de Si, jusqu'à 1 % de Mn, le reste étant du Co et des impuretés éventuelles, et 0,7 à 2 % en poids d'Al ajouté. Application à la fabrication de pièces pour turbines à gaz.
FR7821380A 1977-07-21 1978-07-19 Alliage perfectionne a base de cobalt et pieces coulees a partir de cet alliage Withdrawn FR2431545A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/817,638 US4115112A (en) 1977-07-21 1977-07-21 Cobalt-base alloy and article

Publications (1)

Publication Number Publication Date
FR2431545A1 true FR2431545A1 (fr) 1980-02-15

Family

ID=25223524

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7821380A Withdrawn FR2431545A1 (fr) 1977-07-21 1978-07-19 Alliage perfectionne a base de cobalt et pieces coulees a partir de cet alliage

Country Status (5)

Country Link
US (1) US4115112A (fr)
JP (1) JPS5441222A (fr)
DE (1) DE2831708A1 (fr)
FR (1) FR2431545A1 (fr)
IT (1) IT1097226B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4837389A (en) * 1984-06-04 1989-06-06 Turbine Components Corporation Composite alloy structures

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2145916A5 (fr) * 1971-07-12 1973-02-23 United Aircraft Corp
FR2288791A1 (fr) * 1974-10-21 1976-05-21 Woolds Michael Alliage a base de cobalt contenant de l'aluminium mais pas de zirconium

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2145916A5 (fr) * 1971-07-12 1973-02-23 United Aircraft Corp
FR2288791A1 (fr) * 1974-10-21 1976-05-21 Woolds Michael Alliage a base de cobalt contenant de l'aluminium mais pas de zirconium

Also Published As

Publication number Publication date
DE2831708A1 (de) 1979-02-08
IT7825638A0 (it) 1978-07-13
IT1097226B (it) 1985-08-26
US4115112A (en) 1978-09-19
JPS5441222A (en) 1979-04-02

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Legal Events

Date Code Title Description
ST Notification of lapse