The Calendar Life Of The Airframe Structure And Corrosion Control Technology

This paper analysis the low using rate are armada's environment spectrum. For most warcraft calculate the placement spectrum is enough.. The placement spectrum is composed of moist heat atmosphere, dry heat atmosphere and water solution corrode mediator soak environment. We use equivalent method for each environment and we can compose a equivalent environment spectrum to accelerate the experiment. At the base of getting a great deal of structure corrode damage data and through statistic fitting method, discovered the rule between outboard wing corroded depth and lifespan at different airport. Then we can calculate the inoxidizing coating lifespan ,basal body corroding expansion lifespan and first repair time. We use the stressed fraction that is the most representational and sensitive to corroding to making experiment in combined type equivalent environment spectrum. We can calculate the velocity of corroding , protection period and basal body corroding expansion lifespan, first repair time and the interval of repair period.According as experiment and corroding damage data calculate the lifespan of warcraft,at the same time matching the quest of safety and economic.