Abstract
Investigations of atmospheric corrosion of non-chromated Zn and Zn alloys, namely Zn–0·8%Fe, Zn–0·8%Co, Zn–0·8%Ni electrodeposited from acid electrolytes have been performed for the first time in urban, rural and marine sites in Lithuania. Corrosion rates of Zn alloys were studied by long term exposure in urban, rural and marine environments as well as via the accelerated test of normal salt spray. The results indicated that the corrosion rates of Zn–0·8%Co and Zn–0·8%Ni electrodeposited alloys are low in three different environments: urban, rural and marine. The corrosion resistance of Zn–0·8%Co alloy was higher in urban and rural atmospheres, while that of the Zn–0·8%Ni alloy was higher in rural and marine atmospheres. In all cases the corrosion resistance of the Zn–0·8%Fe alloy was lower than that of the Zn–0·8%Co and Zn–0·8%Ni.
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