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Development of Modelling Criteria for Predicting Lifetimes of Titanium Nuclear Vaste Containers

Published online by Cambridge University Press:  25 February 2011

D. W. Shoesmith  and
B. M. Ikeda
D. W. Shoesmith
Affiliation:
AECL Research, Vhiteshell Laboratories, Pinava, Manitoba, Canada, ROE 1L0
B. M. Ikeda
Affiliation:
AECL Research, Vhiteshell Laboratories, Pinava, Manitoba, Canada, ROE 1L0
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Abstract

The parameters that must be known if the extent of damage due to the crevice corrosion of Grade-2 titanium waste containers is to be predicted are discussed. These parameters include the kinetics of crevice propagation as a function of temperature and oxygen concentration, the critical values of temperature and oxygen concentration for which repassivation occurs, the rate of hydrogen absorption by the metal under crevice corrosion conditions, and the threshold value of absorbed hydrogen concentration above which the material may be susceptible to hydrogen-induced cracking. The results of experiments to measure these parameters are briefly summarized, and their significance as modelling parameters or criteria are discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 333: Symposium V – Scientific Basis for Nuclear Waste Management XVII , 1993 , 893
Copyright
Copyright © Materials Research Society 1994

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References

REFERENCES

1 Ikeda, B.M., Bailey, M.G., Quinn, M.J. and Shoesmith, D.W., in Application of Accelerated Corrosion Tests to Service Life Prediction of Materials. ASTM STP 1194, edited by Cragnolino, G. and Sridhar, N. (American Society for Testing and Materials, Philadelphia, PA) in press.Google Scholar
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