工业大气环境对Al-Mg-Si合金腐蚀疲劳特性的影响

孙晓光, 王子晗, 徐学旭, 韩晓辉, 李刚卿, 刘智勇

Effect of Industrial Atmospheric Environment on Corrosion Fatigue Behavior of Al-Mg-Si Alloy

SUN Xiaoguang, WANG Zihan, XU Xuexu, HAN Xiaohui, LI Gangqing, LIU Zhiyong

表1 Al-Mg-Si合金母材及焊接接头的电化学腐蚀参数

Table 1 Electrochemical corrosion parameters of Al-Mg-Si Alloy base metal and welded joints

Position	E_corr / V	I_p / A·cm^-2	R_s / Ω·cm²	R_f / Ω·cm²	R_ct / Ω·cm²
Base metal	-0.55	1.94×10^-5	232.8	506.9	4442
Welded joint	-0.57	2.52×10^-5	282.1	400.6	3173