Corrosion resistant cobalt-base alloy containing hafnium and a h

Details Corrosion resistant cobalt-base alloy containing hafnium and a h Corrosion resistant cobalt-base alloy containing hafnium and a h

1986-10-03

1988-08-02

Dean, R.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 15, 6537412, 420436, 420437, 420438, 420439, 420440, 420586, 420588, C03B 3704

Patent

active

047611693

ABSTRACT:
An alloy suitable for use as a spinner in forming glass fibers, the alloy being cobalt-based and including the following elements in percent by weight: chromium--about 34.0 to about 38.0; nickel--about 10.0 to about 15.0; wolfram--about 4.0 to about 7.0; tantalum--about 2.0 to about 5.0; zirconium--about 0.1 to about 0.4: silicon--present but about 0.15 max; carbon--about 0.65 to about 0.95; boron--about 0.005 to about 0.02; hafnium--about 0.4 to about 1.0; aluminum--0.0 to about 0.2; titanium--0.0 to about 0.2; manganese--0.0 to about 0.5; molybdenum--0.0 toabout 0.1; iron--0.0 to about 2.0; and cobalt--balance; and further that: ##EQU1## said percents of the elements in equation Nos. 1 and 2 each being atom percent.

REFERENCES:
patent: 4618474 (1986-10-01), Ohe et al.

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