2A97铝锂合金典型防护涂层热带海洋大气环境腐蚀老化行为

贾静焕, 刘明, 骆晨, 孙志华, 赵明亮, 李晓刚

Corrosion and Aging Behavior of 2A97 Al-Li Alloy with Typical Protective Coatings in Tropical Marine Atmosphere Environment

JIA Jinghuan, LIU Ming, LUO Chen, SUN Zhihua, ZHAO Mingliang, LI Xiaogang

图8 不同腐蚀阶段EIS拟合电路

Fig.8 Fitting circuit of EIS at different corrosion stages: (a) coating is complete, (b) electrolyte reaches the interface between the coating and the matrix, (c) corrosion products are generated at the interface between the coating and the matrix, (d) coating flakes off