Hydrogen evolution accompanies many corrosion reactions, including but not limited to metal dissolution in acid environments. Example of other corrosion attacks that are coupled with hydrogen are stress corrosion reactions on low alloy steels, galvanic couples in many media, and exfoliation corrosion of certain types and tempers of aluminum alloys. By measuring the hydrogen released by these reactions, either into the corrosive environment; into the metal; or both; under carefully controlled conditions, one has a very sensitive method of evaluating the service behavior of materials exposed to similar environments in the field.
© 1974 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).
1974
Association for Materials Protection and Performance (AMPP)
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