| 腐蚀损伤对LY12CZ铝合金疲劳寿命的影响研究 |
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| 引用本文： | 刘海燕,李喜明,张亚娟.腐蚀损伤对LY12CZ铝合金疲劳寿命的影响研究[J].装备环境工程,2009,6(1):13-16. |
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| 作者姓名： | 刘海燕 李喜明 张亚娟 |
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| 作者单位： | 中国飞机强度研究所,西安,710065 |
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| 基金项目： | 航空材料腐蚀损伤定量表征方法及其对疲劳寿命的影晌研究项目 |
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| 摘 要： | 对LY12CZ铝合金在EXCO溶液中进行了不同时间的加速腐蚀。通过扫描电镜研究不同腐蚀时间后LY12CZ铝合金的腐蚀损伤,腐蚀损伤的严重程度用腐蚀面积率和腐蚀深度描述。通过对比性疲劳试验获得了腐蚀损伤对LY12CZ铝合金疲劳寿命的影响,为飞机日历寿命评定和飞机结构腐蚀的研究提供了试验依据。
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| 关 键 词： | 预腐蚀 腐蚀损伤 腐蚀面积率 腐蚀深度 疲劳寿命 |
Study on Effect of Corrosion on the Fatigue Life of LY12CZ Aluminum Alloy |
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| LIU Hai-yan,LI Xi-ming,ZHANG Ya-juan.Study on Effect of Corrosion on the Fatigue Life of LY12CZ Aluminum Alloy[J].Equipment Environmental Engineering,2009,6(1):13-16. |
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| Authors: | LIU Hai-yan LI Xi-ming ZHANG Ya-juan |
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| Institution: | Aircraft Strength Research Institute of China;Xi'an 710065;China |
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| Abstract: | Accelerated corrosion test of LY12CZ aluminum alloy was carried out in different time gap in EXCO solution.The corrosion damage of LY12CZ aluminum alloy during different corrosion time was observed in SEM.The serious degree of corrosion was described in corrosion area rate and corrosion depth.The effect of corrosion on the fatigue life of LY12CZ aluminum alloy was studied based on the parallel fatigue tests. |
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| Keywords: | pre-corrosion corrosion damage corrosion area rate corrosion pitting depth fatigue life |
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