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6 7075铝合金在不同溶液中浸泡24 h后缝隙内外的宏观形貌和微观形貌
Fig.6 Macro (a1-d1) and inside crevice (a2-d2) and outside crevice (a3-d3) micro morphology of 7075 Al-alloy inside and outside crevice after 24 h immersion in different solutions: (a) blank, (b) 0.02% TU, (c) 1% NaNO3, (d) 1% NaNO3+0.02% TU