The increasing use of deicing salts in the snow belt areas of the U. S. and Canada has contributed greatly to the corrosivity of the environment to which automobiles are exposed (1). Also, air pollution in industrial areas may add to the problem, especially where levels of sulfur dioxide from coal combustion are high. There is a continuing effort within the automotive and allied industries to combat the increasingly aggressive environment through the development of more corrosion resistant materials. New protective coatings and materials are being corrosion tested regularly for a broad range of applications. Also, attention is being given to the effect of structural design on the corrosion performance of assemblies or components. An effective program to reduce corrosion is dependent on a sound knowledge of the basic mechanisms by which the different forms of corrosion may occur. This paper presents a brief review of some of the more important and currently accepted corrosion mechanisms.

Subject
Acids, Pits, Corrosion rate, Metal surfaces, Corrosion reactions, Crevices, Anodic reactions, Metals, Steel, Rust, Pitting, Oxygen, Risk reduction
© 1980 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).
1980
Association for Materials Protection and Performance (AMPP)
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