Abstract
It is shown that depending on the amount, size and shape of oxide inclusions they can have a significant effect on the service characteristics and casting technological properties of aluminum and its alloys. The effect of fi ne and oxide inclusions in the form of films formed at various stages of foundry technology on the service characteristics of castings and processing properties of melts is analyzed. The negative effect of casting shrinkage impediment on the development of shrinkage defects caused by oxide contamination of the melt is noted. Means that reduce the probability of oxide ingress into the most stressed parts of castings, responsible for the load-bearing capacity of the product as a whole, are proposed. The effectiveness of these means is illustrated by digital mould casting and practical application.
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