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1 涂层1和涂层2暴露后的颜色数据

Table 1 Color data of coating 1 and coating 2 exposed at Wanning natural environment test station

Coating Period / a ΔL Δa Δb Chromatic aberration Coating 1 0.5 -7.56 4.84 -8.56 12.44 1 -5.48 5.13 -9.18 11.86 2 -6.35 5.09 -7.96 11.39 2.5 -6.23 5.15 -8.51 11.74 Coating 2 0.5 4.45 5.33 16.79 18.18 1 5.3 5.43 16.63 18.3 2 21.61 13.05 25.47 35.88 2.5 22.21 12.22 26.28 36.53