Electrochemical noise methods applied to the study of organic coatings and pretreatments
Conference
·
OSTI ID:350126
- North Dakota State Univ., Fargo, ND (United States)
The use of electrochemical noise methods (ENM) to examine organic coatings was first performed in 1986 by Skerry and Eden. The technique uses the spontaneous voltage and current noise that occurs between two identical coated electrodes in electrolyte immersion to determine resistance properties of the coating as well as low frequency noise impedance data for the system. It is a non-perturbing measurement, and one that allows judgment and ranking of coating systems performance. This paper will summarize work in the lab over the past five years on the use of ENM for examining the properties of organic coatings and pretreatment over metals. They have studied marine coatings, pipeline coatings, coil coatings, electrodeposited organic coatings (e-coats), and aircraft coatings by this method and found it to be useful, especially when used in conjunction with impedance and other electrochemical techniques.
- OSTI ID:
- 350126
- Report Number(s):
- CONF-980316--
- Country of Publication:
- United States
- Language:
- English
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