Abstract
Both calcium nitrate and calcium nitrite may act as anodic inhibitors against chloride induced corrosion of rebars in concrete through a similar mechanism, although the kinetics of reaction may be different. Recently an extended test programme was launched for direct comparison of inhibitor performance of calcium nitrate versus nitrite at equimolar dosage, in addition to comparison of the inhibitors against a reference concrete without inhibitor addition. The test program and strategy are described in detail. Specimens are still only 1 years old, so examples of inhibitor performance are taken from earlier simple tests.
Subject
Cylinders,
Nitrites,
Corrosion rate,
Rebar,
Calcium,
Calcium nitrite,
Nitrates,
Corrosion inhibitors,
Steel,
Elements,
Chlorides,
Electrodes,
Concrete
© 2003 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).
2003
Association for Materials Protection and Performance (AMPP)
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