Laboratory and in-plant corrosion testing play complementary roles in enabling the corrosion practitioner to make practical corrosion predictions. This paper explores the ways in which these two approaches can be used to arrive at appropriate predictions. The discussion is in terms of three practical case studies: corrosion of steel in a waste stream, evaluation of alloy alternatives to a rubber-lined vessel, and evaluation of a process temperature increase in a waste reactor. Using the three cases as examples, the paper shows how the two protocols fit together.

Subject
Corrosion rate, Metal coupons, Acidity, Corrosion attacks, Fluids, Crevice corrosion, Corrosion inhibitors, Steel, Corrosion coupons, Polarization, Alloys, Wastes, Corrosion potential
Keywords:
corrosion, testing, electrochemical impedance, polarization scan, coupon, immersion, laboratory, in-plant, chemical process industries, crevice corrosion
© 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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