Settling and agglomeration behaviour of non-metallic inclusions in aluminium melts

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The current work focuses on achieving a better understanding of particle dynamics in aluminium melts, namely settling and agglomeration, as well as the effects of melt dynamics on particle behaviour. Experimental and Analytical approaches are mainly used to improve the understanding. Settling characteristics of different particles were measured online by LiMCA units and evaluated by using their settling rates. In addition, Leith`s approach were used to define the settling velocities of particles with different sphericity to approximate the situations in practice. Clustering of different particles were investigated by exposing particle containing melt to turbulence generated by an inductive heating and observing the samples by optical microscope.