The influence of dynamic atmospheric conditions on EAC and corrosion fatigue

Conference Dates

July 15-20, 2018


Environment-assisted cracking (EAC) and corrosion fatigue (CF) of aluminum alloys in corrosive atmospheres are significant maintenance and safety issues for aircraft. It is well known that these cracking phenomena result from the combined effects of environment, mechanical loads, and material properties. The service life of an aircraft structure is dependent on various stages of degradation associated with formation of corrosion damage, crack nucleation, and crack propagation. Which of these stages limits the service life may be specific to a given component and can be dependent on a large number of factors, including environmental severity, mechanical loading, and protective coatings.

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