Method and apparatus for plasma flame-spraying coating material

Details Method and apparatus for plasma flame-spraying coating material Method and apparatus for plasma flame-spraying coating material

1977-04-27

1978-10-17

Goldberg, E. A.

Electric heating

Metal heating

For deposition welding

219121P, 427 34, B23K 904

Patent

active

041210832

ABSTRACT:
Method and apparatus for plasma flame-spraying coating material onto a substrate by means of passing a plasma-forming gas through a nozzle electrode, passing an arc-forming current between said nozzle electrode and a rear electrode to form a plasma effluent, introducing coating material into the plasma effluent, passing the plasma effluent axially through a wall shroud extending from the exit of said nozzle electrode and forming a flame shroud for the plasma effluent at least within the wall shroud.

REFERENCES:
patent: 3082314 (1963-03-01), Arata
patent: 3373306 (1968-03-01), Karlovitz
patent: 3470347 (1969-09-01), Jackson

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