Impact of Mechanical Strain Environment on Aircraft Protective Coatings and Corrosion Protection

摘要: Aircraft paint schemes (paint and sealant) are a key element of corrosion preventive measures, ensuring that such other coatings effective durable under service conditions is essential if costs maintenance to be minimized. Coatings can degrade the influence environmental factors as exposure moisture, high temperature, ultraviolet radiation, so forth. Coating failure often particularly evident at joints, while may accelerated in some regions by local variations coating thickness geometry features edges, or erosion, it likely displacements which occur these locations loads will contributing factor. The impact in-service mechanical loading on degradation has far received little attention, despite clear evidence tend fail first specific sites sheet ends around fastener heads. This paper argues magnitude applied nature load history should considered predicting assessing rates degradation, development thermomechanical more appropriate approach. joint protection aging aircraft also discussed.