有机缓蚀剂用于钢铁的腐蚀防护具有用量少、缓蚀性能佳的特点,已得到广泛研究,其中,三氮唑类杭真菌药品氟康唑对碳钢的缓蚀研究报道较少.通过失重试验和电化学测试研究了氟康唑在3% HCl中对45钢的缓蚀性能.结果表明,氟康唑浓度较低时,缓蚀效率随浓度的增大而升高,浓度为650 mg/L左右时,缓蚀效率达到85.8%以上;但用量过高,缓蚀效率反而随浓度的增加而降低.动电位极化曲线测试证实氟康唑是一种抑制阳极过程为主的混合型缓蚀剂.氟康唑分子在碳钢表面的吸附行为服从Langmuir吸附等温式的自发过程,是物理吸附与化学吸附共同作用的结果.
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