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 alliageInfo
- 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- Withdrawn
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)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (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.
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4837389A (en) * | 1984-06-04 | 1989-06-06 | Turbine Components Corporation | Composite alloy structures |
Citations (2)
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 |
-
1977
- 1977-07-21 US US05/817,638 patent/US4115112A/en not_active Expired - Lifetime
-
1978
- 1978-07-13 IT IT25638/78A patent/IT1097226B/it active
- 1978-07-19 FR FR7821380A patent/FR2431545A1/fr not_active Withdrawn
- 1978-07-19 DE DE19782831708 patent/DE2831708A1/de not_active Withdrawn
- 1978-07-20 JP JP8781578A patent/JPS5441222A/ja active Pending
Patent Citations (2)
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 |
---|---|
US4115112A (en) | 1978-09-19 |
JPS5441222A (en) | 1979-04-02 |
DE2831708A1 (de) | 1979-02-08 |
IT1097226B (it) | 1985-08-26 |
IT7825638A0 (it) | 1978-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |