A potentiostatic pulse technique has been proposed for detecting sensitization of austenitic stainless steel. Compared with conventional electrochemical potentiokinetic reactivation (EPR) test, this technique has some advantages: The detection of sensitization of stainless steel with this technique can be conducted at greater speed and with smaller destruction. A potentiostatic pulse test is generally completed within five minutes. It is almost nondestructive. The experimental results indicate that the sensitization of auste-nitic stainless steel can be detected with this technique.

Subject
Anode potential, Passive films, Corrosion detection, Current densities, Corrosion morphology, Specimen preparation, Sensitization, Passivation, Stainless steel, Grain boundary, Electrodes, Corrosion potential, Electrode potential
Keywords:
chromium depletion, electrochemical techniques, sensitization, sensitization testing, stainless steel
NACE International
1992
You do not currently have access to this content.