The marine atmospheric environment spectrum of Xisha was compiled by using the environmental data of Xisha atmosphere test station. The determination method of the parameters of every process and the equivalent relationship between the accelerated spectrum and the actual use environment were presented by the equivalent conversion method. The accelerated corrosion test methods were composed of ultraviolet radiation and periodic soakage, and carried out verification tests of indoor and outdoor corrosion. The accelerated corrosion test methods provide a reference for the study on corrosion behavior of 7A04 aluminum alloy in the typical oceanic and atmospheric environment of Xisha.
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