镁合金表面聚苯胺膜层防腐性能的研究

1.河海大学机电学院材料系,江苏,常州,213022

2.河海大学机电学院材料系,江苏,常州,213022

3.河海大学机电学院材料系,江苏,常州,213022

4.河海大学机电学院材料系,江苏,常州,213022

5.河海大学机电学院材料系,江苏,常州,213022

Corrosion Protection of Polyaniline on Magnesium Alloy

用循环伏安法在镁合金表面制备了聚苯胺膜层,并用扫描电子显微镜(SEM)和电极电位研究了聚苯胺膜的表面形貌和腐蚀防护性能.研究表明:聚苯胺膜层并不是均匀覆盖在基体表面,而且膜层表面存在很多的微孔;聚苯胺改变了膜层的电极电位;在腐蚀介质中聚苯胺膜以点蚀或剥离的方式进行腐蚀.

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