High temperature low density cobalt alloy

Details High temperature low density cobalt alloy High temperature low density cobalt alloy

1975-01-20

1976-01-06

Dean, R.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

C22C 1907

Patent

active

039308480

ABSTRACT:
A cobalt base superalloy is disclosed which has good elevated temperature properties combined with low density and low cost. The alloy has a nominal composition of .9% carbon, 25% chromium, 15% nickel, 7.5% tungsten, 2.2% titanium, 1.2% zirconium, 1.0% iron, balance essentially cobalt, and is substantially free from columbium and tantalum.

REFERENCES:
patent: 3667939 (1972-06-01), Hecht et al.

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