This paper describes the use of the alternate current potential drop as a method for measuring crack growth continuously throughout testing time, in double cantilever beam (DCB) specimens used for assessing the threshold stress concentration for sulfide stress corrosion cracking or KISSCC. This methodology was used to asses the sulfide stress corrosion cracking (SSCC) susceptibility in different oil country tubular products (OCTG) grade steels in several conditions.

Subject
Electric current, Test methods, Tubular goods, Crack growth, Materials, Glass, Materials selection, Instrumentation, Crack length, Steel, Electric potential, Stress corrosion cracking, Fracture mechanics
Keywords:
SSCC, High strength steels, Fracture Mechanics, Sour Service, Testing Criteria
© 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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