期刊
CORROSION SCIENCE
卷 136, 期 -, 页码 386-392出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2018.03.031
关键词
Brytal process; Two-step electropolishing; Aluminum
资金
- Departamento Administrativo de Ciencia, Tecnologia e Innovacion - COLCIENCIAS [111556933337]
- Estrategia de Sostenibilidad de la Universidad de Antioquia
- COLCIENCIAS PhD grants
Three aluminum alloys (5N, 1100 and 8005) were electropolished with an environmentally friendly Brytal process in order to evaluate the influence of the substrate and the operating parameters in the roughness and reflectivity of the specimens. Electropolishing was implemented in two-step, allowing lower roughness than those reported in the one-step process. Morphology and second-phase particles on electropolished samples were analyzed by SEM, roughness was measured by means of AFM and reflectivity was measured with a UV-vis spectrophotometer getting a high reflectivity for high purity aluminum and for two aluminum alloys in which reflectivity decreased due to second phase particles.
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