Effect of Local Repair on Corrosion of Airplane External Structure in a Typical Environment and Correction of Corrosion Equivalent Relationship
摘 要
为了能够给飞机外部结构日历修理间隔的确定和制定维修大纲提供试验依据,通过典型加速腐蚀环境中飞机外部结构模拟件的加速腐蚀试验,考察了腐蚀损伤的局部修复对于飞机外部结构腐蚀程度的影响特点,结果发现局部修复对于减轻结构的腐蚀损伤具有必要性和重要作用。根据外部结构模拟件加速腐蚀试验结果,建议飞机外部结构首次翻修的日历时间定为8 a; 对于服役期间的飞机结构件,发现腐蚀损伤问题后应及时进行局部修复。
Abstract
In order to provide test proofs for determining the calendar repair interval of airplane external structure and formulating maintenance compendium, accelerated corrosion tests were carried out with simulated samples of airplane external structure in a typical accelerated corrosion environment. The influence of local repair for corrosion damage on the corrosion degree of airplane external structure was studied. The results showed that local repair was necessary and important for reducing the corrosion damage of airplane external structure. According to the accelerated corrosion test results of simulated external structure, the proposed calendar time of the first restoring for airplane external structure is eight years. And if corrosion damage is found on the airplane structural parts during service, local repair should be implemented promptly.
中图分类号 TG174
所属栏目 试验研究
基金项目
收稿日期 2013/10/9
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联系人作者刘慧丛(liuhc18@163.com)
备注刘慧丛(1975-),副教授,博士,从事功能材料的腐蚀与防护研究,
引用该论文: ZHANG Lei,LIU Hui-cong,ZHU Li-qun,CHEN Qun-zhi. Effect of Local Repair on Corrosion of Airplane External Structure in a Typical Environment and Correction of Corrosion Equivalent Relationship[J]. Corrosion & Protection, 2014, 35(8): 833
被引情况:
【1】张春晓,石晓磊, "腐蚀条件下基于残差修正的飞机结构寿命灰色马氏链预测",腐蚀与防护 37, 230-235(2016)
【2】王志平,马旻昱,张春晓,苏景新, "基于马尔可夫链的飞机结构腐蚀状态预测",腐蚀与防护 36, 942-946(2015)
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【4】刘海燕,王红斌,张亚娟. 搭接结构件腐蚀疲劳试验技术[J]. 装备环境工程,2012,9(6): 13-16,20.
【5】ROSSANA GRILLI,MARK A BAKER,JAMES E CASTLE,et al. Localized corrosion of a 2219 aluminium alloy exposed to a 3.5% NaCl solution[J]. Corrosion Science,2010,52:2855-2866.
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【7】谭登驰,陈跃良,杨茂胜. 军用飞机结构使用寿命研究概述[J]. 强度与环境,2007,34(4): 37-42.
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【9】郑弃非,孙霜青,温军国,等. 铝及铝合金在南疆沙漠大气环境中的腐蚀行为[J]. 中国有色金属学报,2009,19(2): 353-359.
【10】刘文梃,李玉海. 飞机结构日历寿命体系评定技术[M]. 北京: 航空工业出版社,2004.
【11】李玉海,刘文梃,杨旭. 军用飞机结构日历寿命体系评定应用范例[M]. 北京: 航空工业出版社,2005.
【12】MARKEVICIUS G,CHAUDHURI S,BAJRACHARYA C,et al. Polyoligomeric silsesquioxane (POSS)-hydrogenated polybutadiene polyurethane coatings for corrosion inhibition of AA2024[J]. Progress in Organic Coatings,2012,75:319-327.
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