The Effect of Corrosion Inhibitors on Fatigue under Complex Environmental Conditions

The Effect of Corrosion Inhibitors on Fatigue under Complex Environmental Conditions

Ms. Sarah Galyon Dorman

Mr. Justin Rausch

Mr. Jason Niebuhr

Dr. SaravananArunachalam

Dr.Scott A. Fawaz

Background

Current coating qualification methods do not account for mechanical damage nor representative environments

A method for evaluating fatigue crack grow rates under complex atmospheric corrosion conditions could aid in the development of new chromate free coatings1

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

 

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