Al-10%RE (RE = Ce、Nd、Y、La)合金在典型海洋大气环境下的腐蚀行为研究

谢睿, 蒋全通, 韩东晓, 陈烨, 刘万鹏, 裴炎彤, 段继周, 侯保荣

Corrosion Behavior of Al-10%RE (RE = Ce, Nd, Y, La) Alloys in Typical Marine Atmospheric Environments

XIE Rui, JIANG Quantong, HAN Dongxiao, CHEN Ye, LIU Wanpeng, PEI Yantong, DUAN Jizhou, HOU Baorong

表4 Al-10%RE合金在青岛站大气暴晒110 d后的失重率

Table 4 Mass losses of Al-10%RE alloys after atmospheric exposure for 110 d at Qingdao station

Al-alloys Parallel samples ΔW / g S / cm2 T / d ΔW / mg·cm-2·a-1 Average value / mg·cm-2·a-1 Standard deviation / mg·cm-2·a-1 Al-10Ce Sample 1 0.041 56 110 2.43 2.33 0.37 Sample 2 0.031 56 110 1.84 Sample 3 0.046 56 110 2.73 Al-10Nd Sample 1 0.058 56 110 3.44 3.77 0.27 Sample 2 0.069 56 110 4.09 Sample 3 0.064 56 110 3.79 Al-10La Sample 1 0.041 56 110 2.43 3.04 0.51 Sample 2 0.062 56 110 3.67 Sample 3 0.051 56 110 3.02 Al-10Y Sample 1 0.041 56 110 2.43 2.41 0.22 Sample 2 0.036 56 110 2.13 Sample 3 0.045 56 110 2.67