KETAHANAN KOROSI PADUAN Al-Mg 5052 DI DALAM AIR PENDINGIN NETRAL MENGANDUNG KLORIDAJournal: Urania Jurnal Ilmiah Daur Bahan Bakar Nuklir (Vol.21, No. 2)
Publication Date: 2015-06-30
Authors : Dicky Tri Jatmiko; Isdiriayani Nurdin; Hary Devianto;
Page : 77-86
Keywords : Al-Mg Alloy 5052; chloride; corrosion; pH; temperature; water.;
CORROSION RESISTANCE OF Al-Mg ALLOY 5052 IN CHLORIDE CONTAINING NEUTRAL COOLING WATER. Al-Mg alloy 5052 is a material used as nuclear fuel element cladding due to its low neutron flux absorption and high corrosion resistance in demineralized water. This research is focused to know of the corrosion resistance of Al-Mg alloy 5052 in chloride containing neutral water used as demineralized primary cooling water substitute in GA Siwabessy Multi Purpose Reactor (RSG-GAS). This research covers the corrosion rate measurement using the Tafel method, corrosion process prediction using cyclic voltammetry method and corrosion product analysis using X-Ray Diffraction method. The experiments are carried out at temperature variation of 30°C, 35°C, 40°C and 45°C, as well as sodium chloride concentration of 0.05 M, 0.25 M and 0.5 M. The research results show that Al-Mg alloy 5052 is insignificantly to moderate corroded in chloride containing water by single step irreversible oxidation reaction.
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