酸性氯化钠溶液中硝酸钠和硫脲对7075铝合金缝隙腐蚀的协同缓蚀作用

吕正平, 李缘, 刘晓航, 崔中雨, 崔洪芝, 王昕, 逄昆, 李燚周

Synergistic Inhibition Effect of Thiourea and Sodium Nitrate on Crevice Corrosion of 7075 Al-alloy in Acidic Sodium Chloride Solution

LYU Zhengping, LI Yuan, LIU Xiaohang, CUI Zhongyu, CUI Hongzhi, WANG Xin, PANG Kun, LI Yizhou

图2 7075铝合金在含1% NaCl的pH=1溶液中添加不同缓蚀剂的极化曲线

Fig.2 Polarization curves of 7075 Al-alloy in pH=1 solution containing 1% NaCl with different corrosion inhibitors