Electricity: measuring and testing – Conductor identification or location – Inaccessible
Patent
1982-06-30
1985-11-12
Krawczewicz, Stanley T.
Electricity: measuring and testing
Conductor identification or location
Inaccessible
324 65R, 73 73, G01N 502, G01N 2556, G01R 2702
Patent
active
045530874
ABSTRACT:
Method for one-time or continuous nondestructive determination of the penetration and leaching process of conductive phases in materials, wherein the conductivity of the material to be examined is measured in thin superposed layers in that, after applying voltage to pairs of oppositely disposed conductor paths associated with these layers, the current flow through separate layers of the material is measured and an increase of the current in increasingly deep layers indicates the advance of the front of the penetrating phase.
REFERENCES:
patent: 2183565 (1939-12-01), Hawley
patent: 2802173 (1957-08-01), Nisle
patent: 4341112 (1982-07-01), Mackay
Bunnenberg Claus
Kuhn Wilhelm
Gesellschaft fur Strahlen- und Umweltforschung mbH Munchen
Krawczewicz Stanley T.
Solis Jose M.
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