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Abstract

The work is a continuation of research concerning the influence of intensive cooling of permanent mold in order to increase the casting

efficiency of aluminium alloys using the multipoint water mist cooling system. The paper presents results of investigation of crystallization

process and microstructure of multicomponent synthetic hypereutectic alloy AlSi20CuNiCoMg. The study was conducted for unmodified

silumin on the research station allowing the cooling of the special permanent sampler using a program of computer control. Furthermore,

the study used a thermal imaging camera to analyze the solidification process of multicomponent alloy. The study demonstrated that the

use of mold cooled with water mist stream allows in wide range to form the microstructure of hypereutectic multicomponent silumin. It

leads to higher homogeneity of microstructure and refinement of crystallizing phases of casting.

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Authors and Affiliations

R. Władysiak
T. Pacyniak
A. Kozuń
K. Dębowska

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