The effects of dissolved impurities in simulated BWR water on the intergranular stress corrosion cracking (IGSCC) of sensitized stainless steels were studied by constant elongation rate tensile (CERT) tests with notched specimens. Impurities studied were sulfate, chloride, chloride with copper and nitrate at concentrations of a few tens up to 1000 ppb. Sulfate was found to be the most harmful impurity with chloride a close second.

Subject
Environmental cracking, Water, Materials, Intergranular stress corrosion cracking, Boiling water reactors, Sulfates, Crack initiation, Nitrates, Impurities, Copper, Stainless steel, Cracking, Chlorides
© 1987 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).
1987
Association for Materials Protection and Performance (AMPP)
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