PREVENTION OF STRESSCORROSION CRACKING BY CATHODIC PROTECTION

PREVENTION OF STRESSCORROSION CRACKING BY CATHODIC PROTECTION Background to tests. Cathodic protection has been used on an industrial scale for the protection of pipelines and underwater structures for many years. It has not, however, been applied to structures in which, although the general corrosion resistance is high, there is likelihood of failure by stresscorrosion cracking. The purpose of the investigation reported here was to determine the effect of cathodic polarisation in a range of commercial alloys which were liable to this type of failure. The idea of using cathodic protection is especially attractive, as metallic or nonmetallic coatings, though they delay the onset of stress corrosion, are not suitable preventive measures. Pitting in the coatings soon results in earlier failure and some materials, such as stainless steel, are difficult to coat. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Anti-Corrosion Methods and Materials Emerald Publishing

PREVENTION OF STRESSCORROSION CRACKING BY CATHODIC PROTECTION

Anti-Corrosion Methods and Materials, Volume 12 (9): 4 – Sep 1, 1965

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0003-5599
DOI
10.1108/eb020289
Publisher site
See Article on Publisher Site

Abstract

Background to tests. Cathodic protection has been used on an industrial scale for the protection of pipelines and underwater structures for many years. It has not, however, been applied to structures in which, although the general corrosion resistance is high, there is likelihood of failure by stresscorrosion cracking. The purpose of the investigation reported here was to determine the effect of cathodic polarisation in a range of commercial alloys which were liable to this type of failure. The idea of using cathodic protection is especially attractive, as metallic or nonmetallic coatings, though they delay the onset of stress corrosion, are not suitable preventive measures. Pitting in the coatings soon results in earlier failure and some materials, such as stainless steel, are difficult to coat.

Journal

Anti-Corrosion Methods and MaterialsEmerald Publishing

Published: Sep 1, 1965

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