Exfoliation inhibition on aluminum alloy 7075 by water-soluble phthalocyanine derivates in 1 mol/L HCl
Source abstract
Abstract
The inhibition effects of two phthalocyanine sulfonates on aluminum alloy 7075 were investigated in this study. The gravimetric test showed that the two compounds effectively inhibited the exfoliation corrosion of aluminum alloy 7075 in 1 mol/L hydrochloric acid. The electrochemical test showed the phthalocyanine sulfonates mainly acted as mixed-type inhibitors. The molecular dynamic simulation indicated that the phthalocyanine inhibitors selectively adsorbed on aluminum atoms, which inhibited the dealloying of aluminum from the alloy surface. In XPS analysis, the chemical adsorption between aluminum and phthalocyanine inhibitors was proven by the changes in the electronic binding energy of Al and N.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Corrosion Behavior and Inhibition · Anodic Oxide Films and Nanostructures · Nanoporous metals and alloys
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Biological and Chemical Engineering, Qingdao Technical College, Qingdao, Shandong, China;
Department of Chemistry, Tsinghua University, Beijing, China
References (33)
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