Lithium tantalum oxide coated tantalum articles with improved we

Details Lithium tantalum oxide coated tantalum articles with improved we Lithium tantalum oxide coated tantalum articles with improved we

1987-04-21

1989-03-07

Herbert, Thomas J.

Stock material or miscellaneous articles

Composite

Of metal

148 115Q, 204 321, 428699, 428701, B32B 1504, C25D 1134

Patent

active

048105848

ABSTRACT:
A tantalum niobium or tantalum-niobium alloy with a film containing polycrystalline lithium metal oxide wherein the metal corresponds to the metal from which the article is made, wherein the surface properties including hardness, yield strength, elasticity and electrical properties are improved so that the operating life can be increased and new application for such articles can be made.
Tantalum spinnerets of the present invention have longer operating life, clog less and produce a better quality fiber.

REFERENCES:
patent: 4054468 (1977-10-01), Honnaker
patent: 4054468 (1977-10-01), Honnaker et al.
patent: 4450049 (1984-05-01), Nakata et al.
patent: 4450049 (1984-05-01), Nakata et al.
patent: 4548741 (1985-10-01), Hormadaly
F. A. Lowenheim, "Electroplating", 1978, pp. 69-86, McGraw Hill Book Co., New York.

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