An extensive evaluation of the effects of deicing salts on the environment, on the traffic safety, and on the corrosion of motor vehicles is performed in two comparable geographical areas. One is on the island Gotland in the Baltic Sea where the use of deicing salts has ceased, the other one on the main land where deicing salts are still used. The corrosion attack is evaluated by regular exposure of test plates of uncoated carbon steel and zinc and by inspections of corrosion condition of police cars in both areas. The corrosion rate during the winter periods has been reduced to less than 10% on uncoated steel test plates since the use of deicing salt ceased. The cosmetic corrosion damages have decreased by 50% on cars used on unsalted roads compared to cars driven on salted roads. The use of deicing salts thus has a very important effect on the corrosion damages on cars.

Subject
Seams, Salts, Perforation, Corrosion rate, Materials performance, Winter, Motors, Inspection, Deicing, Repair, Carbon steel, Zinc, Types of corrosion
Keywords:
car corrosion, deicing salts, car body, mobile exposure
© 1991 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).
1991
Association for Materials Protection and Performance (AMPP)
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