高强铝合金焊接接头力学-电化学腐蚀行为与退化规律研究

胡娜, 彭文山, 郭为民, 刘天楠, 段体岗, 刘少通

Mechanical-electrochemical Corrosion Behavior and Degradation Regularity of High Strength Al-alloy Welded Joints

HU Na, PENG Wenshan, GUO Weimin, LIU Tiannan, DUAN Tigang, LIU Shaotong

图5 不同应力下高强铝合金焊接接头在低温海水中浸泡不同周期后的电化学阻抗谱

Fig.5 EIS of high-strength Al-alloy welded joint immersed in low temperature seawater under different stresses for 1 d (a), 5 d (b), 10 d (c) and 20 d (d)