DOI: 10.1002/adma.19940060309. Passivation of metals by coating with polyaniline: Corrosion potential shift and morphological changes

Passivation of metals by coating with polyaniline: Corrosion potential shift and morphological changes

10.1002/adma.19940060309

Crossref journal-article

Wiley

Advanced Materials (311)

Abstract

Corrosion protection of metals can be obtained by coating them with polyaniline dispersions, resulting in a signifiecant and reproducible shift of the corrosion potential. Scanning electron micrograph indicate that the passivation is a multistep process, beginning with an etching stage in wh8ch grain boundaries become visible (see Figure). In the second step the metal surface is coated—non‐electrochemically—with an oxide layer. The exact mechanism of formation of this layer remains to be explored. magnified image

Bibliography

Wessling, B. (1994). Passivation of metals by coating with polyaniline: Corrosion potential shift and morphological changes. Advanced Materials, 6(3), 226â228. Portico.

Authors 1

Berhard Wessling (first)

References 8 Referenced 539

10.1149/1.2114008
A.MacDiarmid personal communication at the Int. Conf. Synthetic Metals1986 Kyoto/Japan.
German Patent P 37 29 566.71987 Zipperling Kessler & Co.
US Patent appl. 823416 823511 and 823512 (1992) allied‐Signal Zipperling Kessler & Co and Americhem Inc.
B.Welssling Synth. Met.1991 907and1057.
Allied Signal Inc. Morristown/USA production based on a license given by Zipperling Kessler & Co Ahrensburg/Germany and Americhem Inc. Cuyahoga Falls Ohio/USA.
Construction of the experimental setup and performance of most of the electrochemical measurements byF.Baron Zipperling Kessler & Co Ahrensburg 1993.
Institute for Scanning Electron Microscopy B. Böhlken Hamburg.

Dates

Type	When
Created	20 years, 8 months ago (Dec. 28, 2004, 7:49 p.m.)
Deposited	1 year, 10 months ago (Oct. 31, 2023, 2:21 p.m.)
Indexed	4 days, 17 hours ago (Aug. 31, 2025, 6:33 a.m.)
Issued	31 years, 6 months ago (March 1, 1994)
Published	31 years, 6 months ago (March 1, 1994)
Published Online	20 years, 11 months ago (Sept. 15, 2004)
Published Print	31 years, 6 months ago (March 1, 1994)

Funders 0

None

BibTeX

@article{Wessling_1994, title={Passivation of metals by coating with polyaniline: Corrosion potential shift and morphological changes}, volume={6}, ISSN={1521-4095}, url={http://dx.doi.org/10.1002/adma.19940060309}, DOI={10.1002/adma.19940060309}, number={3}, journal={Advanced Materials}, publisher={Wiley}, author={Wessling, Berhard}, year={1994}, month=mar, pages={226–228} }

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