A glass window in a pressurized flow loop has allowed observation and documentation of the progression of localized CO2 corrosion. Low-angle lighting was found to optimize the visual appearance of the corroded surface. A photographic record of the propagation of localized corrosion was made along with measurements of iron counts, water pH, flow rates, temperature, and coupon weight loss. This paper describes the experimental procedure, test conditions, results, and observations made during progression of the CO2 corrosion.

Subject
Films, Coating removal, Water, Corrosion rate, Iron carbonate films, Steel coupons, Metal coupons, Weight loss coupons, Mirrors, Penetration, Film formation, Weight loss, Corrosion coupons
Keywords:
CO2 Corrosion, Flow loop, Pitting, Localized Attack, Fractals, Penetration Rate, Mesa Corrosion
© 1994 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).
1994
Association for Materials Protection and Performance (AMPP)
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