Corrosion-inhibited iron-based members and method of producing t

Details Corrosion-inhibited iron-based members and method of producing t Corrosion-inhibited iron-based members and method of producing t

1994-06-24

1996-01-02

Niebling, John

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Coating predominantly single metal or alloy substrate of...

205196, 205227, 205243, 205917, C25D 548

Patent

active

054805368

ABSTRACT:
A corrodible iron-based work such as a cylinder rod is subjected to hard chrome plating, heat-treatment by high frequency heating or baking at a temperature of not less than 150.degree. C. (e.g. 170.degree. to 600.degree. C.), resin impregnation treatment and finish buffing in that order to produce a corrosion-inhibited member. In the impregnation step, a thermosetting resin may be impregnated under subatmospheric pressure. After the impregnation step, the thermosettable resin or sealant may be cured in a curing step. The present invention provides for an remarkably high degree of corrosion resistance even though the thickness of the hard chrome plating layer is small.

REFERENCES:
patent: 3928157 (1975-12-01), Suematsu et al.
patent: 4065365 (1977-12-01), Ibarguengoitia
patent: 4094749 (1978-06-01), Stange et al.
patent: 5312868 (1994-05-01), Abe et al.

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