硫脲基咪唑啉季铵盐缓蚀剂对X80管线钢腐蚀的影响
白云龙1,2, 沈国良2, 覃清钰1, 韦博鑫1, 于长坤1, 许进1(
), 孙成1
), 孙成1
Effect of Thiourea Imidazoline Quaternary Ammonium Salt Corrosion Inhibitor on Corrosion of X80 Pipeline Steel
BAI Yunlong1,2, SHEN Guoliang2, QIN Qingyu1, WEI Boxin1, YU Changkun1, XU Jin1(), SUN Cheng1
), SUN Cheng1
图11. X80管线钢在含有80 mg/L缓蚀剂的25 ℃模拟油田水溶液中的SVET图像
Fig.11. SVET images of X80 pipeline steel in simulated oil-field water with 80 mg/L corrosion inhibitor: (a) pH3.5, 0 h; (b) pH3.5, 1 h; (c) pH3.5, 48 h; (d) pH7.2, 0 h; (e) pH7.2, 1 h; (f) pH7.2, 48 h; (g) pH10.5, 0 h; (h) pH10.5, 1 h; (i) pH10.5, 48 h
