Method of determining cathodic corrosion and displaying

Details Method of determining cathodic corrosion and displaying Method of determining cathodic corrosion and displaying

1983-01-31

1986-11-18

Tung, T.

Chemistry: electrical and wave energy

Processes and products

204404, G01N 2746

Patent

active

046234349

ABSTRACT:
The present invention relates to a method of representing corrosion occurring in the reinforced concrete structure and the resultant representation. The representation comprises a display of individual color indicia each representative of electrolytic voltage potential measured at a corresponding location on a surface of the structure. Each color indicia is one of a selected group of distinguishable color indicia and each distinguishable color indicia represents a predetermined range of electrolytic potentials. The method of representing corrosion involves measuring the electrolytic voltage potentials at predetermined locations on the concrete surface, and assigning a displacement co-ordinate to each measurement and a color indicia to each measured value of electrolytic voltage potential. The color indicia is representative of each measured electrolytic voltage potential and is marked on a surface in accordance with the co-ordinates of each measured potential.

REFERENCES:
patent: 2627682 (1953-02-01), Markey
patent: 3153739 (1964-10-01), Graffenreid
patent: 3493481 (1970-02-01), Messner et al.
patent: 4019129 (1977-04-01), Grau
patent: 4155814 (1979-05-01), Tejfallussy et al.
Gainer et al., Corrosion, vol. 35, No. 2, Feb. 1979, pp. 61-67.
Flor et al., Materials Protection, Nov. 1965, pp. 49-52.

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