Electrochemical Behaviour of Passive Films Formed on Inconels 600 and 690


We have verified through an electrochemical technique (capacity, impedance and photo-electro-chemical measurement) and also through an analytic technique of auger spectrometry that passive films formed on inconels 600 and 690 are comprised of two layers. This has led us to establish precise links between the chemical composition of passive films formed on inconels and their electrochemical properties. The results obtained at different frequencies show the existence of two areas. The passive oxide formed on alloy 600 is richer in iron oxide than the one formed on alloy 690.

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Gassama, D. and Faty, S. (2015) Electrochemical Behaviour of Passive Films Formed on Inconels 600 and 690. Open Access Library Journal, 2, 1-12. doi: 10.4236/oalib.1102064.

Conflicts of Interest

The authors declare no conflicts of interest.


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