Cyclic voltammetric study of the corrosion protection of metal surfaces by plasma-polymerized coatings

作者: Y.Chen , K. Kiuchi , K. Chinone , M. Eguchi , Y. Momose

DOI: 10.1163/156856101750196793

关键词:

摘要: The corrosion-protective performance of plasma-polymerized (PP) films on metal substrates has been investigated by cyclic voltammetry, X-ray photoelectron spectroscopy (XPS), and surface potential measurements. A PP film from cyclohexane was deposited Fe, Ni, Cu using a radiofrequency generator. film-coated substrate employed as the working electrode in aerated NaCl aqueous solution voltammogram measured repeatedly ten times upon application triangular between -1 1 V vs. initial corrosion sample. depended strongly substrate: with Fe only an anodic current observed; Cu, subsequently cathodic appeared. For all metals, level voltammograms at same sweep number decreased increasing deposition time. for increased number, but ...

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