Nickel-base alloy with superior stress rupture strength and grai

Details Nickel-base alloy with superior stress rupture strength and grai Nickel-base alloy with superior stress rupture strength and grai

1993-07-09

1994-12-13

Yee, Deborah

Metal treatment

Stock

Nickel base

148442, 420448, C22C 1905

Patent

active

053726626

ABSTRACT:
A nickel-chromium-molybdenum-cobalt alloy has additions of tantalum and tungsten to provide superior stress rupture strength in the presence of grain size control agents, and has the following composition:

REFERENCES:
patent: 3859060 (1975-01-01), Eiselstein
patent: 4474733 (1984-10-01), Susukide et al.
patent: 4750954 (1988-06-01), Smith et al.
patent: 4877461 (1989-10-01), Smith et al.
patent: 5017249 (1991-05-01), Smith et al.
Development of a Ni-Base Heat Resistance Alloy for Gas Turbine Combustor, Nat'l Techanical Info. Service, 1983; vol. 19, No. 4 pp. 1-38.
"The Strengthening Effect of Tantalum in Nichel-Base Superalloys" Superalloys 1984 (Proceedings of the Fifth Int'l Symposium on Superalloys High Temperature Alloys Committee of the Metallurgical Society of AIME Oct. 7-11, 1984, Zhao-Yo Meng, Gen-Chang Sun, Min Lun Li, pp. 563-572.

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