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Prediction Model for Corrosion of Aluminum 1060 in Marine Atmospheric Environments |
Haixia LIU1,Xuequn CHENG1,2( ),Xiaogang LI1,2,3,Kui XIAO1,2,Chaofang DONG1,2 |
1. Corrosion and Protection Center, University of Science and Technology Beijing, Beijing 100083, China 2. Key Laboratory for Corrosion and Protection (MOE), University of Science and Technology Beijing, Beijing 100083, China 3. Ningbo Institute of Material Technology & Engineering, Chinese Academy of Sciences, Ningbo 315201, China |
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Abstract The corrosion behavior of pure aluminum A1060 in tropic marine environment was simulated by cyclic immersion test, while the correlation of the corresponding results of indoor cyclic immersion test and outdoor marine atmospheric corrosion test of A1060 was comparatively studied in terms of its corrosion morphology, corrosion products and corrosion kinetics by means of weight loss measurement scanning, electron microscope (SEM), energy dispersive spectroscopy (EDS) and X-ray diffraction (XRD). The results showed that the corrosion morphologies and phase constituents compositions of corrosion products after cyclic immersion test agreed fairly well with those after the real atmospheric test. Thereafter, a prediction model for the C corrosion prediction model of aluminum 1060 in two kinds of marine atmospheric environments, which aims to simulate the atmospheric environments at Wanning and Xisha areas in the South China Sea, was established built combined with Grey correlation method, while the corresponding arithmetic expressions could be described as follows i.e. TWN=146.7t 1.29 and TXS=862.3t 0.85 respectively.
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