The NACE TM0177 Method D (DCB) test is a blend of interactive physical and chemical conditions. It is becoming a common test used successfully throughout the world. After more than 25 years of DCB testing, this paper considers some of the following issues. What KISSC are we calculating and using, especially when changing the environment of exposure? How can we verify the mechanical aspects of the test? What are the obvious and not so obvious variations in the test? If the test is not done perfectly can you still use the data? How should we improve the test method?

Subject
Test methods, Materials, Stress intensity, Compliance, Sour environments, Hydrogen charging, Acidity, Test environments, Crack length, Quality control, Sulfide stress cracking, Cracks, Hydrogen
Keywords:
sulfide stress cracking, DCB, SSC, TM0177, testing, methodology
© 2008 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).
2008
Association for Materials Protection and Performance (AMPP)
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