Coating processes – Electrical product produced – Welding electrode
Patent
1986-09-26
1988-07-26
Childs, Sadie L.
Coating processes
Electrical product produced
Welding electrode
427252, 427255, 4272555, 4273762, 427387, 427404, 4274192, B05D 306, C23C 1616
Patent
active
047599502
ABSTRACT:
A method for metallizing a filament, wherein the filament is initially coated with a sol gel dispersion of polysilicate, titania, or alumina, and after drying at elevated temperature to form a porous interlayer coating on the filament, a nickel coating is deposited thereon from gaseous nickel carbonyl in a metallizing zone. The gaseous nickel carbonyl is produced in a fluidized bed of particulate nickel through which carbon monoxide make-up and at least a portion of the effluent gases discharged from the metallizing zone are flowed. The resulting nickel coated filament may be cut into fibers for use as a reinforcement in composite materials such as those utilized in electromagnetic inteference (EMI) shielding applications.
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Advance Technology Materials, Inc.
Childs Sadie L.
Hultquist Steven J.
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