氢对2205双相不锈钢在3.5%NaCl溶液中缝隙腐蚀行为影响

汤熠鑫, 张飞, 崔中雨, 崔洪芝, 李燚周

Effect of Hydrogen on Crevice Corrosion Behavior of 2205 Duplex Stainless Steel in 3.5%NaCl Solution

TANG Yixin, ZHANG Fei, CUI Zhongyu, CUI Hongzhi, LI Yizhou

图6 未充氢的2205双相不锈钢在不同电位下恒电位极化4 h后的表面形貌以及腐蚀区轮廓

Fig.6 Surface morphologies (a, d, g) and corrosion zone profiles (b, c, e, f, h, i) of uncharged 2205 duplex stainless steel after polarization in 3.5%NaCl solution at the constant potentials of 450 mV (a-c), 500 mV (d-f), 1000 mV (g-i)