Tuning of CeO2-MnO2 nano composite in Al-Zn alloy matrix for effective activation

•Nano CeO2-MnO2 composite is tuned for effective activation of Al + 5 wt% Zn alloy.•The composite acts as lattice expander in Al alloy and increases dissolution of Zn.•The composite and Zn in the alloy matrix synergistically activate the Al alloy anode.•A Galvanic efficiency of 92% is achieved with...

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Veröffentlicht in:	Materials science & engineering. B, Solid-state materials for advanced technology Solid-state materials for advanced technology, 2020-11, Vol.261, p.114768, Article 114768
Hauptverfasser:	Archana, S.R., Arun, P.S., Sreelekshmi, B.R., Shibli, S.M.A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Al-Zn alloy Aluminum base alloys Anode effect Anodic polarization CeO2-MnO2 Cerium oxides Chloride ions Corrosion Cyclic polarization Electrochemical impedance spectroscopy Electrode polarization Manganese dioxide Nano composite Oxide coatings Pitting (corrosion) Sacrificial anodes Thermal decomposition Tuning Uniform attack (corrosion)
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