Hydrogen induced damage in the form of stepwise cracking, (SWC), and stress oriented hydrogen induced cracking, (SOHIC), are briefly discussed. Hydrogen permeation data are presented and compared with hydrogen concentration profiles and hydrogen induced cracking behaviour. A concept and test set-up for determination of critical hydrogen permeation flux/concentration for initiation and growth of hydrogen induced cracking will be described.

Subject
Hydrogen induced cracking, Steel surfaces, Hydrogen permeation, Piping, Fluxes, Electrochemical cells, Hydrogen concentration, Probes, Walls, Effluent, Steel, Stress oriented hydrogen induced cracking, Hydrogen
Keywords:
Hydrogen permeation, stepwise cracking, hydrogen induced cracking
© 1992 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).
1992
Association for Materials Protection and Performance (AMPP)
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