1050铝合金在通电工况下大气腐蚀的腐蚀特征

夏晓健, 万芯瑗, 高燕, 王启伟, 严康骅, 陈云翔, 洪毅成, 张俊喜

Corrosion Characteristics of Atmospheric Corrosion of 1050 Al-alloy under Power-on Condition

XIA Xiaojian, WAN Xinyuan, GAO Yan, WANG Qiwei, YAN Kanghua, CHEN Yunxiang, HONG Yicheng, ZHANG Junxi

表1 不同电流下1050铝合金极化曲线动力学参数拟合

Table 1 Dynamic parameters fitting of polarization curves of 1050 aluminum alloy with different currents

i / A	E_corr / mV	I_corr / A·cm^-2	Β_a / mV	-Β_c / mV
0	-765.76	7.234×10^-6	13.16	140.88
10	-757.61	8.409×10^-6	14.05	117.36
20	-762.11	1.008×10^-5	22.71	133.85
30	-778.42	1.074×10^-5	29.91	253.89
40	-777.37	2.023×10^-5	30.36	639.98