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《Rare Metal Materials and Engineering》 2006-11
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Research on Atmospheric Galvanic Corrosion Laws of Magnesium Alloys

Xiao Kui1, Dong Chaofang1, Li Xiaogang1, Li Jiuqing1, Wei Dan2, Wang Xingchun3 (1. Corrosion Erosion and Surface Technology Lab, University of Science and Technology Beijing, Beijing 100083, China) (2. Chinese Society for Corrosion and Protection, Beijing 100083, China) (3. PLA 66055, Beijing 101300, China)  
In this paper the galvanic corrosion behavior laws of AM50 magnesium alloy coupled with different alloys in Beijing atmospheric environment were investigated. The results show that the magnesium alloys act as anode. The atmospheric galvanic effect of magnesium alloys coupled with LY12 aluminium alloy is the least in all of testing cathode alloys. The atmospheric galvanic effects in Beijing compared with other cities indicate that atmospheric environment is the most important factor. The atmospheric galvanic effects for magnesium alloys are affected by cathode alloy, testing time, sample size and environment condition. SEM, XRD and optical microscope were used to investigate the morphology changes on the surface of AM50 magnesium alloy.
【Fund】: 国家自然科学基金项目(59971011和50499331-8);; 科技部项目(2004DKA10080)资助
【CateGory Index】: TG172
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