Abstract:The aluminum alloy with intermetallic α-Al 15 (Fe,Mn,Cr) 4 Si 2 phase with polygonal morphology, denoted by Al-α alloy was processed by controlled solidification and this alloy was studied in order to evaluate the microstructure, microhardness, corrosion resistance and electrochemical impedance when this alloy was immersed in an electrolytic medium at 0.1 mol/L solution of sulfuric acid.The intermetallic α-Al 15 (Fe,Mn,Cr) 4 Si 2 with polyhedron morphology presents a microhardness of 483 HV and being muc… Show more
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