筛选了两种荧光材料,采用在有机硅丙烯酸清漆中添加荧光化合物的方法,在LC4铝合金基材表面上制备成荧光传感涂层,研究了传感涂层中荧光物质的特性变化与铝合金腐蚀的关系,探讨了传感涂层对腐蚀监测的灵敏度.结果表明,所选的两种荧光材料传感涂层能有效监测铝合金基体的腐蚀形貌、位置及速度;当涂层中添加浓度为0.5%、0.8%的荧光材料A时,所获得的传感涂层能有效监测到的最小可见点蚀孔平均半径分别为56.68 μm、44.82 μm;而添加荧光材料B所得到的传感涂层能有效监测到的最小可见点蚀孔平均半径分别为83.70 μm、93.71 μm.
参考文献
| [1] | Z T Park,Y S Choi,J G Kim,et al.Development of a galvanic sensor system for detection the corrosion damage of the steel embedded in concrete structure:Part 2.Laboratory electrochemical testing of sensor in concrete[J].Cement and Concrete Research,2005,35 (9):1814. |
| [2] | R Lyous,M lng,S Austin.Influence of diurnal and seasonal temperature variations on the detection of corrosion in reinforced concrete by acoustic emission[J].Corrosion Science,2005,47(2):413. |
| [3] | R W Bosch.Electrochemical impedance spectroscopy for the detection of stress corrosion cracks in aqueous corrosion system at ambient and high temperature[J].Corrosion Science,2005,47(1):125. |
| [4] | J H Ali,W B Wang,R R Alfano,et al.Detection of corrosion and cracking beneath paint using photonic techniques[J].Theoretical and Applied Fracture Mechanics,2004,41:1. |
| [5] | M Z Silva,R Gouyon,F Lepoutne.Hidden corrosion detection in aircraft aluminum structures using laser ultrasonics and wavelet transform signal analysis[J].Ultrasonics,2003,41:301. |
| [6] | R E Johnson,V S Agarwala.Fluorescence based chemical sensors for corrosion detection[J].Corrosion/97,Houston:NACE,1997,Paper No.304. |
| [7] | M P Sibi,Z G Zong.Determination of corrosion on aluminum alloy under protective coatings using fluorescent probes[J].Press in Organic Coatings,2003,47:8. |
| [8] | 柯以侃,董慧茹.分析化学手册第三分册[M].第二版,北京:化学工业出版社,1997.11. |
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