Process for producing metallic coatings

Details Process for producing metallic coatings Process for producing metallic coatings

1984-11-07

1986-05-06

Pianalto, Bernard D.

Coating processes

Measuring, testing, or indicating

Thickness or uniformity of thickness determined

427 34, 427 38, B05D 306

Patent

active

045871353

ABSTRACT:
A process and apparatus for depositing a high-quality metallic coating on a steel strip. In this process, one or several metals or metal alloys are continuously evaporated in a thermal plasma from nonoxidizing gas and transformed into the highly ionized state of the thermal plasma. Subsequently, the metal ions contained in the plasma are electrostatically deposited on the steel strip at a pressure elevated by 100 Pa to 5000 Pa relative to the ambient pressure. During coating, the steel strip is held at a uniform temperature and coated at a rate of 40 m/min to 600 m/min.

REFERENCES:
patent: 3010009 (1961-11-01), Ducati

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