Structural materials have a fundamental susceptibility to SCC in high temperature water, and extensive efforts have been made to quantify their specific response as a function of material and condition, water chemistry, temperature, stress, etc. There are many primary variables, and dozens of important factors, all of which are interdependent in establishing SCC response. The only comprehensive way of tackling this problem is to identify the underlying processes that control SCC, which provides a fundamental framework for understanding the myriad of inter-dependent factors. This paper discusses the processes that must be understood and modeled, and compares various approaches in this quest.

Subject
Anions, Crack growth, Water, Corrosion rate, Repassivation, Corrosion cracking, Crack chemistry, Stress cracking, Crevices, Oxidants, Cracks, Corrosion potential, Stress corrosion cracking
Keywords:
stress corrosion cracking, crack growth rates, prediction, high temperature water, water chemistry, stainless steel, Ni alloys, corrosion potential, stress intensity factor
© 2005 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).
2005
Association for Materials Protection and Performance (AMPP)
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