Procedure and device for corrosion determination

Details Procedure and device for corrosion determination Procedure and device for corrosion determination

1990-01-31

1991-07-30

Wieder, Kenneth A.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

324706, 324718, 324725, 324 712, 340605, G01R 2708

Patent

active

050362879

ABSTRACT:
A procedure and a device for determining corrosion of preferably insulated structural parts (2) assures in a simple way early detection of corrosion. For this purpose an electric conducting resistance wire (4) exposed to the same corrosive medium, e.g. condensation water, as the structural part (2) to be examined for corrosion is placed outside the structural part (2) and the electrical resistance of the resistance wire is measured. The effective cross-section of the resistance wire (4) and its electrical resistance change with the corrosion of the resistance wire (4) so that the resistance change of the resistance wire (4) registers the effect of the corrosive medium.

REFERENCES:
patent: 3104355 (1963-09-01), Holmes et al.
patent: 3821642 (1974-06-01), Seymour
patent: 4672366 (1987-06-01), Butts
patent: 4703253 (1987-10-01), Strommen
patent: 4703254 (1987-10-01), Strommen
patent: 4922232 (1990-05-01), Bosich

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