Steel cast in concrete quickly develops a passivating iron oxide film that prevents further corrosion and makes cathodic protection unnecessary for most reinforced concrete structures. Exceptions are defective structures or structures subject to severe electrolysis.

Subject
Steel structures, Electrochemical cells, Cathodic protection, Cathodic potential, Lime, Rods, Sodium chloride solution, Steel, Polarization, Protection potential, Electrodes, Concrete, Electrode potential
© 1968 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).
1968
Association for Materials Protection and Performance (AMPP)
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