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| 腐蚀时间和温度对LY12CZ铝合金疲劳强度的影响 | |
| 引用本文： | 衣林,陈跃良,白靖华,徐丽.腐蚀时间和温度对LY12CZ铝合金疲劳强度的影响[J].装备环境工程,2012,9(1):26-29. |
| 作者姓名： | 衣林 陈跃良 白靖华 徐丽 |
| 作者单位： | 1. 海军航空工程学院青岛分院,山东青岛,266041 2. 91206部队,山东青岛,266108 3. 海军航空工程学院青岛分院,山东青岛266041;海军飞行学院,辽宁葫芦岛125001 |
| 基金项目： | 国家自然科学基金（50675221,51075394） |
| 摘 要： | 在实验室环境下对LY12CZ铝合金试验件进行溶液浸泡预腐蚀试验,产生腐蚀坑,使用KH-7700显微镜获得了不同腐蚀时间和腐蚀温度条件下的损伤数据,然后进行疲劳加载试验,建立了不同腐蚀时间和腐蚀温度与疲劳寿命之间的关系。试验结果表明,腐蚀时间和温度对铝合金的预腐蚀损伤及相应的疲劳寿命有着显著影响。 |
| 关 键 词： | 预腐蚀损伤 腐蚀坑 腐蚀温度 疲劳寿命 |
| 收稿时间： | 2011/8/24 0:00:00 |
Effects of Corrosion Time and Temperature on Fatigue Strength of LY12CZ Aluminum Alloy |
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| YI Lin,CHEN Yue-liang,BAI Jing-hua and XU Li.Effects of Corrosion Time and Temperature on Fatigue Strength of LY12CZ Aluminum Alloy[J].Equipment Environmental Engineering,2012,9(1):26-29. | |
| Authors: | YI Lin CHEN Yue-liang BAI Jing-hua and XU Li |
| Institution: | 1. Qingdao Branch of Naval Aeronautical Engineering Academy, Qingdao 266041, China; 2. Unit 91206 of PLA, Qingdao 266108, China; 3. Naval Flying Academy, Huludao 125001, China) |
| Abstract: | LY12CZ aluminum alloy were immersed in solution for pre-corrosion test under laboratory environment. The corrosion pits were detected with KH-7700 microscope to get corrosion damage data of different corrosion time and temperature. Corrosion fatigue test was carried out on pre-corroded specimens and the relation between fatigue life decrease and corrosion damage caused by different corrosion time and temperature was established. The results showed that the corrosion time and temperature play important roles in corrosion and corrosion fatigue life of aluminum alloy. |
| Keywords: | pre-corrosion damage corrosion pits corrosion temperature fatigue life |
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