| 海洋环境下服役飞机铝合金零件腐蚀失效分析 |
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| 引用本文： | 黄领才,谷岸,刘慧丛,姜同敏.海洋环境下服役飞机铝合金零件腐蚀失效分析[J].北京航空航天大学学报,2008,34(10):1217-1221. |
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| 作者姓名： | 黄领才 谷岸 刘慧丛 姜同敏 |
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| 作者单位： | 北京航空航天大学,工程系统工程系,北京,100191;北京航空航天大学,材料科学与工程学院,北京,100191 |
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| 摘 要： | 对出口旅游观光用飞机的铝合金零件在热带海洋气候环境服役条件下所发生的腐蚀问题进行了分析探讨.通过铝合金零件发生腐蚀的微观形貌和腐蚀产物成分等的分析,结合飞机所处环境条件,讨论了铝合金零件的腐蚀类型和发生剥蚀的过程及原因,并分析了其发生剥蚀的机理.认为海洋环境中的氯离子是造成沿海飞机铝合金零件腐蚀的外因,而内因是飞机零件的表面防腐蚀设计与防护不足,腐蚀的发展过程是铝合金零件表面点腐蚀、晶间腐蚀直至剥蚀,腐蚀产物造成的应力是促进分层剥离的原因.针对这种表面腐蚀防护问题,提出了相应的改进措施.
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| 关 键 词： | 服役飞机 铝合金零件 腐蚀失效 机理 |
| 收稿时间： | 2007-10-23 |
Corrosion failure of aluminum alloy parts on airplane used in marine environment |
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| Huang Lingcai,Gu An,Liu Huicong,Jiang Tongmin.Corrosion failure of aluminum alloy parts on airplane used in marine environment[J].Journal of Beijing University of Aeronautics and Astronautics,2008,34(10):1217-1221. |
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| Authors: | Huang Lingcai Gu An Liu Huicong Jiang Tongmin |
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| Institution: | 1. Dept. of System Engineering of Engineering Technology, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;
2. School of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China |
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| Abstract: | Corrosion of aluminum alloy parts on airplane used in marine environment for tour was discussed.Along with the research of microcosmic image and corrosion product component of aluminum alloy parts on airplane,and considering the environmental condition used for the airplane,corrosion style,corrosion process and corrosion mechanism of aluminum alloy parts were researched.Results show that corrosion cause for aluminum alloy parts is residual seawater including chlorine ion from marine environment in the annul... |
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| Keywords: | service aircraft aluminum alloy components corrosion fatigue mechanisms |
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