Examination and Prediction of Corrosion Fatigue Damage and Inhibition
Examination and Prediction of Corrosion Fatigue Damage and Inhibition
Sarah E.GalyonDorman
Justin W. Rausch
Saravanan Arunachalam
Scott A. Fawaz
SAFE Inc.
Background
Current environmentally assisted fatigue testing methodologies do not account for nucleation from corrosion damage
The DoD is moving to ban the use of chromates as a protection system for DoD assets1
The protection chromate provides to fatigue crack growth needs to be fully characterized so replacement coatings can be properly assessed and there is no unexpected loss of corrosion fatigue protection as chromate is phased out
Current coating qualification methods do not account for mechanical damage
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