石油管材用含Cu钢焊接接头的微生物腐蚀研究

燕冰川, 曾云鹏, 张宁, 史显波, 严伟

Microbiologically Influenced Corrosion of Cu-bearing Steel Welded Joints for Petroleum Pipes

YAN Bingchuan, ZENG Yunpeng, ZHANG Ning, SHI Xianbo, YAN Wei

图10 母材和焊接接头的不同部位在接菌溶液中浸泡14 d后的表面形貌及相应位置的EDS分析

Fig.10 Corrosion surface morphologies and the corresponding EDS analysis of base steel and different areas of the weld joint after exposed in SRB inoculated medium for 14 d: (a-c) BM, (d-f) WM, (g-i) HAZ. Red arrows denote the corrosion products. Yellow circles denote the EDS analysis location