为了探讨谷氨酰胺的缓蚀机理,采用静态失重试验、动电位极化、交流阻抗研究了不同浓度的谷氨酰胺(GLN)在2 moL/L HNO3介质中对铜的缓蚀作用.结果表明:谷氨酰胺能够有效地抑制铜的腐蚀,当谷氨酰胺浓度为0.020 moL/L时,缓蚀效率达91.3％;谷氨酰胺为混合型缓蚀剂;Cu-TH-2铜电极表面的腐蚀过程主要由电荷转移步骤控制.
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