This paper summarizes a part of a more comprehensive study on DCB test. The effect of specimen thickness on KISSC was evaluated. The results obtained using two different thicknesses are shown. Some considerations about the possible causes of the observed differences in KISSC values are presented. Besides, a method that allows to measure the crack growth in the DCB specimen is described. An ultrasonic technique was used for monitoring the crack extension.

Subject
Crack growth, Materials, Stress intensity, Crack propagation, Transducers, Stress, Crack length, Steel, Sulfide stress cracking, Cracks, Yield strength, Hydrogen, Martensite
Keywords:
sulfide stress cracking, SSC testing, double cantilever beam test, NACE TM0177-90, specimen thickness, steel, ultrasonic techniques, crack propagation
© 1997 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).
1997
Association for Materials Protection and Performance (AMPP)
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