天然海水中硝酸盐的添加对EH40钢腐蚀的影响

吴佳佳, 徐鸣, 王鹏, 张盾

Impact of Nitrate Addition on EH40 Steel Corrosion in Natural Seawater

WU Jiajia, XU Ming, WANG Peng, ZHANG Dun

图6 EH40钢在添加不同浓度硝酸盐的海水中浸泡不同时间去除腐蚀产物后的表面CLSM图及对应最大蚀坑深度截面轮廓图

Fig.6 Surface CLSM images and corresponding maximum pit depth section profiles of EH40 steel with removal of corrosion products after being immersed in seawater added with 0.1 (a1-e1), 1 (a2-e2), 10 (a3-e3) and 100 (a4-e4) mmol/L nitrate for 1 (a1-a4), 2 (b1-b4), 4 (c1-c4), 8 (d1-d4) and 12 (e1-e4) weeks