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Corrosion Behaviour of Al2O3p Reinforced Al-Zn-Mg-Cu-Ni-Co Alloy Fabricated via PM

Journal: International Journal of Science and Research (IJSR) (Vol.4, No. 3)

Publication Date:

Authors : ; ;

Page : 645-649

Keywords : Al-Zn-Mg-Cu-Ni PM alloy; Alumina additives; Milling alloying; Corrosion behaviour;

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In this research, comparative study of corrosion resistance of PM Al-Zn-Mg-Cu1 %Ni-1 %Co alloy (I) and PM Al-Zn-Mg-Cu-1 %Ni-1 %Co-5 %Al2O3 alloy (II) produced using mechanical alloying process has been investigated. PM milled alloy (I) and alloy composite (II) specimens were sintered after compaction then homogenized, aged then retrogressed and reaged. PM Al-alloys were subjected to corrosive media (acidic 1.0M HCl) and using weight loss method to evaluate their corrosion resistance. The findings of this study indicated that the PM Al2O3p reinforced Al-Zn-Mg-Cu-Ni-Co matrix composite exhibited superior corrosion resistance in comparison to the PM unreinforced of Al-alloy A samples in HCl solution after undergoing to the similar heat treatment conditions. Scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS) were used to show the corroded surfaces.

Last modified: 2021-06-30 21:34:49