Rev. Met. Paris
Volume 99, Number 5, May 2002Science et Génie des Matériaux
Fatigue et environnement
|Page(s)||433 - 439|
|Published online||25 October 2002|
A perspective of local analysis of corrosion-fatigue crack initiation and propagation
The common experimental methods used in the laboratory for the study of corrosion-fatigue are based on the evolution of global mechanical and electrochemical variables in relation with environment, mechanical loading or microstructure. For a better understanding and modelling of the physical- chemical processes involved in crack initiation and propagation, it is necessary to make use of techniques giving access to quantitative informations at local scale. Recent results concerning the breakdown of passivity, the morphology and the growth kinetics of potential initiation sites, the corrosion processes at crack tip and quantitative fractography are briefly reviewed.
© La Revue de Métallurgie, 2002
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