Abstract:

An accelerated corrosion environment spectrum of surface coating of outside corrosion critical area of civil aircraft structure is presented, combined with the characteristics of the use of civil aircraft and referred to existing research results. The spectrum is composed of hothumid environment, ultraviolet radiation, low temperature fatigue and salt spray. The method of determination the parameters of every process and the equivalent relation between the accelerated spectrum and the actual use environment are presented.

Key words: civil , aircraft , structure,  , accelerated , corrosion , environmental , spectrum,  , equivalent , relation,  , coating,  , calendar , life