Abstract:Funding information FAPEMIG; CNPqSuper-hydrophobic and oleophobic surfaces on ASTM 1200 H14 aluminum alloy substrates were achieved by chemical etching followed by deposition of organically modified silicate (ORMOSIL) coatings synthesized through sol-gel method. The chemical etching using FHH solutions (FeCl 3 + HCl + H 2 O 2 ) was adapted for the studied aluminum alloy by varying the concentration of iron (III) chloride and the etching time in order to increase the surface roughness of the material. This chem… Show more
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