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Stress-corrosion cracking of Inconel alloy 600 in high-temperature water - an update

Journal Article · · Corrosion (Houston); (United States)
DOI:https://doi.org/10.5006/1.3593950· OSTI ID:5652127
An experimental program on stress corrosion cracking (SCC) aimed at the development of a quantitative model for predicting the behavior of Inconel 600 tubing in high temperature water is described. Empirical data are gathered to relate factors that influence SCC. Work involves U-bends, constant extension rate tests (CERT), and constant load. Plots are made of failure time and crack velocity vs temperature, and also of SCC time vs stress, using a variety of environments related to the ingredients of primary or secondary water. Cold work of Alloy 600 is also included. The effect of temperature is found to yield-semi-log (Arrhenius) curves, and log-log plots of failure time vs stress are presented. Curves of this type are being evaluated for use in extrapolating accelerated test data to operating conditions for predictive purposes. 5 references, 8 figures, 3 tables.
Research Organization:
Brookhaven National Lab., Upton, NY
OSTI ID:
5652127
Journal Information:
Corrosion (Houston); (United States), Journal Name: Corrosion (Houston); (United States) Vol. 40:8; ISSN CORRA
Country of Publication:
United States
Language:
English