Wear behavior of the friction stir alloyed AZ31 Mg at different volume fractions of Al particles reinforcement and its enhanced quality attributes

Abstract

Wear behavior of friction stir alloyed (FSAed) AZ31-Mg with externally added Al has been investigated. The phase distribution pattern in the case of 6% Al alloying was best with honey-comb like structure with enhanced metallurgical properties. The major wear occurs due to abrasion, adhesion, delamination, plastic deformation and oxidation. The friction coefficient and wear characteristics at 6% Al alloyed sample is comparatively less than 3 and 9% alloying. With an increase in Al volume 3–6% the hardness increases 10%. The wear loss of the alloyed specimen at 6% Al are 16% and 11% less compared to the base metal and processed specimen respectively. In brief, 6% Al alloying sample gives the best tribological, metallurgical and mechanical properties. © 2020 Elsevier Ltd