Portable probe to measure sensitization of stainless steel

Details Portable probe to measure sensitization of stainless steel Portable probe to measure sensitization of stainless steel

1978-09-26

1979-12-18

Tung, T.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

204195F, 204195C, G01N 2746

Patent

active

041793498

ABSTRACT:
An electrochemical cell for making field measurements of metals such as stainless steel comprises a cylinder containing a reservoir of an electrolyte, a reference electrode, a capillary tube connecting the electrolyte to the surface of the metal to be measured and another electrode in electrical contact with the electrolyte. External connections from the reference electrode, the other electrode, and the sample to a measuring device provide means for maintaining the potential of the electrolyte while sweeping the potential difference between the electrolyte and the metal. Such a sweep enables the determination of a current-voltage characteristic that is a measure of sensitization in the metal.

REFERENCES:
patent: 3077446 (1963-02-01), Van Den Berg
patent: 3337440 (1967-08-01), Nestor
patent: 3449232 (1969-06-01), Bailey
patent: 3466238 (1969-09-01), Mahieu et al.
patent: 3684679 (1972-08-01), Smith et al.
patent: 3808105 (1974-04-01), Rozeanu
patent: 4006063 (1977-02-01), Ensanian

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