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

表2 涂层1 EIS拟合结果

Table 2 EIS fitting results of coating 1

Period / a Rs / Ω·cm2 Qc / Ω-1·cm-2s-n nc Rc / Ω·cm2 0.5 16090 1.94×10-9 0.9408 1.03×1011 1 3146 2.12×10-9 0.9646 2.84×1011 2 1541 2.86×10-9 0.9512 1.27×1010 2.5 2033 3.38×10-9 0.9539 1.44×109