Cold worked tri-nickel aluminide alloy compositions

Details Cold worked tri-nickel aluminide alloy compositions Cold worked tri-nickel aluminide alloy compositions

1985-10-03

1987-06-30

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75 05C, 75 82, 75244, 75251, 148 115A, 148 115N, 148 115P, 1481261, 148162, 148409, 148429, 419 23, 419 30, 419 31, 419 46, 419 49, 419 62, 419 66, 419 68, 420460, 420590, C22C 2914

Patent

active

046768297

ABSTRACT:
Improvements in the positive temperature dependence of yield strength and in the work hardening rate of tri-nickel aluminide base alloys are achieved. The novel alloy composition has seven alloying ingredients as follows:

REFERENCES:
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patent: 3653976 (1972-04-01), Miller et al.
patent: 3902900 (1975-09-01), Restall et al.
patent: 3922168 (1975-11-01), Restall et al.
patent: 4379720 (1983-04-01), Ray et al.
patent: 4478791 (1984-10-01), Haung et al.
C. T. Liu & C. C. Koch, "Development of Ductile Polycrystalline Ni.sub.3 Al for High-Temperature Applications", Technical Aspects of Critical Materials Use by the Steel Industry, NBSIR 83-2679-2, vol. IIB (Jun. 1983) Center for Materials Science, U.S. Dept. of Commerce, Nat'l. Bureau of Standards.

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