D-氨基酸对不同钢材混合菌腐蚀行为的影响

胥聪敏, 张津瑞, 朱文胜, 杨兴, 姚攀, 李雪丽

Effect of D-amino Acids on Corrosion Behavior of Different Steels due to Mixed Bacteria

XU Congmin, ZHANG Jinrui, ZHU Wensheng, YANG Xing, YAO Pan, LI Xueli

表5 三种钢材在SRB+IOB培养基中腐蚀14 d后的Tafel拟合数据

Table 5 Tafel fitting data of three steels after 14 d immersion in SRB+IOB medium

Number Steels ba / mV·dec-1 bc / mV·dec-1 Icorr / A·cm-2 Ecorr / mV Without industrial bactericide group 1 20# 42.22 101.9 20.8×10-5 -759 2 N80 71.16 294.9 9.11×10-5 -619 3 P110 50.45 694.1 26.4×10-5 -586 With industrial bactericide group 4 20# 102.2 226.9 3.58×10-5 -702 5 N80 129.8 125.1 2.44×10-5 -735 6 P110 37.87 183.3 4.75×10-5 -640