6种典型商用纯铁和钢材在3.5%NaCl溶液中的初期腐蚀行为

杨震宇, 基超, 郭丽雅, 徐闰, 彭伟, 赵洪山, 韦习成, 董瀚

Initial Corrosion Behavior of Several Pure Irons and Steels in 3.5%NaCl Solution

YANG Zhenyu, JI Chao, GUO Liya, XU Run, PENG Wei, ZHAO Hongshan, WEI Xicheng, DONG Han

表4 浸泡于3.5%NaCl溶液1 h后样品的自腐蚀电位和腐蚀电流密度

Table 4 Corrosion potentials and corrosion current densities of six test materials after immersion in 3.5% NaCl solution for 1 h

Materials Ecorr / V Icorr / μA·cm-2 Q235B steel -0.70 8.84 SPA-H steel -0.63 6.14 3N2 pure iron -0.57 21.34 4N2 pure iron -0.42 14.18 5N2 pure iron -0.55 8.34 304L stainless steel -0.12 0.05