Amorphous nickel alloy having high corrosion resistance

Details Amorphous nickel alloy having high corrosion resistance Amorphous nickel alloy having high corrosion resistance

1992-07-15

1997-06-03

Simmons, David A.

Metal treatment

Stock

Amorphous, i.e., glassy

C22C 1905, C22C 2702

Patent

active

056349890

ABSTRACT:
A corrosion-resistant amorphous alloy containing Ta in an amount of from 10 to 40 atomic % and Mo, Cr, W, P, B and/or Si is disclosed.
This alloy can be prepared by rapidly cooling and solidifying molten alloy, shows a satisfactory corrosion resistance in high-temperature concentrated phosphoric acid, and is adapted to be used as a plant structural material or a separator for a fuel cell.

REFERENCES:
patent: 4133681 (1979-01-01), Ray
patent: 4410490 (1983-10-01), Ray et al.
patent: 4496635 (1985-01-01), Wang et al.
patent: 4854980 (1989-08-01), Raman et al.
patent: 4968363 (1990-11-01), Hashimoto et al.
Corrosion Science, vol. 27, No. 9, pp. 957-970, 1987 "The Corrosion Behavior of Amorphous Nickel Base Alloys in a Hot Concentrated Phosphoric Acid".

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