Single-crystal alloy

Details Single-crystal alloy Single-crystal alloy

1983-10-05

1986-12-02

Dean, R.

Metal treatment

Stock

Directionally solidified

148410, C22C 1905

Patent

active

046262970

ABSTRACT:
The invention relates to an alloy suitable for making single-crystal castings and to a casting made thereof. The alloy comprises, by weight percent, Chromium 10-16%, Cobalt 4-16%, Molybdenum 2-4%, Tungsten 0-2%, Tantalum 2-8%, the sum of ##EQU1## lying between 5 and 7%, Aluminium 4-6%, Titanium 1-4% the sum of ##EQU2## lying between 5 and 7%. Carbon 0.015-0.05%, Boron 0-0.01%, Zirconium 0-0.01%, the balance being nickel plus incidental impurities.

REFERENCES:
patent: 4116723 (1978-09-01), Gell et al.
patent: 4209348 (1980-06-01), Duhl et al.

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