Coating evaluation system

Details Coating evaluation system Coating evaluation system

1996-02-14

1998-05-05

Gorgos, Kathryn L.

Electrolysis: processes, compositions used therein, and methods

Electrolytic analysis or testing

For properties of solid material

2057765, 324699, 324709, G01N 2702, G01N 2726

Patent

active

057469059

ABSTRACT:
The organic coating deposited on a metallic substrate is quantitatively euated by measurement of electrical signals through an electrochemical cell having an electrode separated from the deposited coating by a porous pad within which a liquid medium is absorbed. Quality determining parameters of the coating are rapidly calculated through a data processor to which electrical current and phase shift measurements are fed together with data from the electrochemical cell. The method may be used to evaluate the quality of the coating on the steel hull of a marine vessel exposed to seawater.

REFERENCES:
patent: 4806849 (1989-02-01), Kihira et al.
patent: 5093626 (1992-03-01), Baer et al.
patent: 5236564 (1993-08-01), Berg et al.
patent: 5373734 (1994-12-01), Shih et al.

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