Refractory metal coating method

Details Refractory metal coating method Refractory metal coating method

1981-03-26

1982-11-02

Pianalto, Bernard D.

Coating processes

Electrical product produced

Welding electrode

427251, 427253, 4272551, 427319, B05D 314

Patent

active

043573657

ABSTRACT:
A continuous wire coating method is described which features a reaction chamber wherein a volatilized refractory metal compound is thermally decomposed to deposit said refractory metal as a coating on a refractory metal wire during passage through said reaction chamber. A substantially uniform thickness coating of the refractory metal is deposited in passing the refractory metal wire through said reaction chamber in a substantially vertical direction. The nature of said coating substantially precludes any subsequent thermal migration of the refractory metal in the wire core.

REFERENCES:
patent: 3811936 (1974-05-01), Archer et al.
patent: 3865074 (1975-02-01), Cornelissen et al.

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