A SIMULATING TEST OF MARINE ATMOSPHERIC CORROSION
模拟海洋大气腐蚀试验方法的研究

Salt spray test is one of the fast ways to simulate the corrosion in the environment of atmosphere or seawater splashing and to evaluate the protective materials and the layers protected. To verify the effects of different corrosion mediums on the salt spray test, natural seawater of different concentrations, man-made seawaters and sodium chloride solutions were used in this study. Five steels (CXJI4 Sm, 08PV, A3, 10MnPNbRe) were tested. YL-40B electric salt spray box was used for the tests. All the spray solutions and the rust layers of the specimens were analysed using X-ray diifractometer. The results showed that natural seawater is the best spray solution in simulating the marine corrosion behavior. Therefore it is recommended for the application in simulated tests.