Alloys or metallic compositions – Nickel base – Chromium containing
Patent
1986-06-03
1992-04-14
Dean, R.
Alloys or metallic compositions
Nickel base
Chromium containing
148410, 148428, C22C 1905
Patent
active
051046148
ABSTRACT:
Superalloy with a nickel base matrix having good mechanical properties when ot in respect of tensile strength, creep resistance, low cycle fatigue and resistance to crack-propagation of which the composition in percentages by weight is as follows: Cr 11 to 13; Co 8 to 17; Mo 6 to 8; Nb less than or equal to 1.5; Ti 4 to 5; Al 4 to 5; Hf less than or equal to 1; C, B, Zr each less than or equal to 500 ppm; Ni remainder to 100. The alloy can be manufactured advantageously by powder metallurgy techniques and used in the manufacture of turbo machine disks.
REFERENCES:
patent: 3494709 (1970-02-01), Piearcey
Davidson James H.
Ducrocq Christian A. B.
Lestrat Didier P. A.
Marty Michel
Paintendre Bernard
Association pour la Recherche et le Developpement des Methodes e
Dean R.
Office National d'Etudes et de Recherches Aerospatiales - "O.N.E
Phipps Margery S.
Societe Nationale d'Etude et de Construction de Moteurs d'Aviati
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