The topographic characteristics of electrochemically corroded metals and alloys are classified with respect to the various types of corrosion. Case histories are used to demonstrate that chemical environments can produce the same topographic characteristics as microbes with or without microbiological envolvement. The cause(s) of this electrochemical and/or microbiological corrosion is examined from a thermodynamic energy exchange point of view.

Subject
Weld attack, Water, Materials, Metal surfaces, Iron, Chemical attack, Corrosion attacks, Metals, Copper, Deposit corrosion, Microorganisms, Microbiologically influenced corrosion, Chloride stress corrosion cracking
Keywords:
thermodynamics, corrosion types, electrochemical, microbiological, copper, stainless steels, carbon steel, Alloy 400, graphite, Thiobacillus
© 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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