New electro-chemical express-method of corrosion rate control at cathodic protection is presented. This method is based on the relationship between the corrosion rate and polarization resistance at protection potential. The results of cathodic protection in the sea water at temperature 60°C are presented and they fully confirm availability of method in practice. Also effectiveness of cathodic protection in the sewage is shown.

Subject
Cathodes, Water, Cathodic protection, Corrosion currents, Corrosion rate, Cathodic potential, Cathodic current, Sewage, Density, Polarization curves, Metals, Steel, Polarization resistance
Keywords:
cathodic protection, express-method of control, sea water, sewage
© 1993 Association for Materials Protection and Performance (AMPP). All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise) without the prior written permission of AMPP. Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
1993
Association for Materials Protection and Performance (AMPP)
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