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3 Al-10%RE合金在三亚站大气暴晒110 d后的失重率

Table 3 Mass losses of Al-10%RE alloys after atmospheric exposure for 110 d at Sanya 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 0.003 17 110 0.59 0.65 0.09 Sample 2 0.004 17 110 0.78 Sample 3 0.003 17 110 0.59 Al-10Nd Sample 1 0.006 17 110 1.17 1.17 0.48 Sample 2 0.003 17 110 0.59 Sample 3 0.009 17 110 1.76 Al-10La Sample 1 0.004 17 110 0.78 0.85 0.09 Sample 2 0.004 17 110 0.78 Sample 3 0.005 17 110 0.98 Al-10Y Sample 1 0.004 17 110 0.78 0.65 0.18 Sample 2 0.002 17 110 0.39 Sample 3 0.004 17 110 0.78