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中国腐蚀与防护学报  2013, Vol. 33 Issue (3): 251-256    
  本期目录 | 过刊浏览 |
飞机蒙皮结构表面涂层失效的电化学阻抗分析
苏景新1 白 云1 关庆丰2 邹 阳2
1. 中国民航大学 天津市民用航空器适航与维修重点实验室 天津 300300;
2. 江苏大学材料科学与工程学院 镇江 212013
Electrochemical Impedance Spectroscopy Analysis of Failure of Aircraft Surface Coating
SU Jingxin1, BAI Yun1, GUAN Qingfeng2, ZOU Yang2
1. Tianjin Key Lab of Civil Aircraft Airworthiness and maintenance, Civil Aviation University of China, Tianjin 300300, China;
2. College of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
全文: PDF(1597 KB)  
摘要: 采用冲击破坏、盐雾、紫外、湿热等加速循环腐蚀实验方法,对比分析了一种飞机蒙皮结构表面涂层在不同加速循环周期下的电化学阻抗谱(EIS)的变化特点。结果表明,涂层阻抗在腐蚀中后期增加,并出现新的时间常数,可对应于金属表面氧化膜的溶解及Al基体的腐蚀。随着腐蚀循环的进行,涂层的吸水量先增加后减少,吸水率最终稳定在约5%。
关键词 加速循环EIS有机涂层吸水率    
Abstract:Adopt accelerate circulation corrosion test methods which include impact test, salt spray test, ultraviolet illumination test and humid heat test to analysis the characteristics of electrochemical impedance spectroscopy (EIS) on different accelerate circulation time. The EIS of coating increased in the middle and late stages, and new time constants took place, which could be related to resolving of the chemical conversion film and corrosion of the aluminum on the activation zone. The water absorbing capacity of coating were calculated and found increasing at first and then decreasing with increasing of accelerated circulation time, the water absorption rate finally stabilized at about 5%.
Key wordsaccelerated circulation    EIS    organic coating    water absorption rate
    
ZTFLH:  TG171  

引用本文:

苏景新 白 云 关庆丰 邹 阳. 飞机蒙皮结构表面涂层失效的电化学阻抗分析[J]. 中国腐蚀与防护学报, 2013, 33(3): 251-256.
. Electrochemical Impedance Spectroscopy Analysis of Failure of Aircraft Surface Coating. Journal of Chinese Society for Corrosion and protection, 2013, 33(3): 251-256.

链接本文:

https://www.jcscp.org/CN/      或      https://www.jcscp.org/CN/Y2013/V33/I3/251

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