Process for depositing forging lubricant on titanium workpiece

Details Process for depositing forging lubricant on titanium workpiece Process for depositing forging lubricant on titanium workpiece

1980-07-07

1982-03-09

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204181N, 204181T, 252 493, 252 495, C25D 1302, C25D 1306, C10M 304

Patent

active

043187927

ABSTRACT:
Disclosed is a coating bath and process for electrophoretically depositing a forging lubricant precoat on the surface of a titanium workpiece. The specific resistivity of the coating bath is in excess of about 400 ohm-centimeters in order to retard simultanoues anodization of the titanium during the electrophoretic deposition process. A high lead, moderate silicate, low alkali metal oxide frit is used in suspension in the bath. Advantageously, the bath also includes an anodic electrocoating resin in colloidal dispersion in the bath. By controlling the degree of anodization and preanodization of the titanium, thickness of the deposited forging lubricant precoat can be closely controlled.

REFERENCES:
patent: 2321439 (1943-06-01), Verwey et al.
patent: 3484357 (1969-12-01), Plankenhorn
patent: 3497376 (1970-02-01), Wieser
patent: 3582481 (1971-06-01), Hovey et al.
patent: 3629086 (1971-12-01), Brewer et al.
patent: 3787338 (1974-01-01), Skelly et al.

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