本文研究了氧化性缓蚀剂与各类缓蚀剂(吸附性、沉积性和氧化性缓蚀剂)间在金属致钝过程中的协同作用。提出了一种度量这种协同作用大小的参数一协同率。从理论上证明了这一协同率恰好等于吸附性缓蚀剂或沉积性缓蚀剂在金属表面上的覆盖度。实验结果表明,在致钝过程中,氧化性缓蚀剂与吸附性缓蚀剂之间、氧化性缓蚀剂与沉积性缓蚀剂之间以及氧化性缓蚀剂与氧化性缓蚀剂之间都可以存在明显的协同作用。
The synergistic effect between oxidizing inhibitor and other inhibitor of various kinds is studied in the passivation step of metals. A new parametersynergistic efficiency is proposed to evaluate the degree of the synergistic effect. It is proved theoretically that the synergistic efficiency is just equal to the degree of coverage of the adsorption inhibitor or precipitation inhiitor on the surface of the metal. Results show that the synergistic effect bmight occur between the oxidizing inhibitor and any kind of corrosion inhibitors in the passivation step of metals,
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