Manufacturing Technology 2012, 12(2):297-302 | DOI: 10.21062/ujep/x.2012/a/1213-2489/MT/12/2/297

Influence of the homogenization annealing on microstructure and mechanical properties of AlZn5,5Mg2,5Cu1,5 alloy

Viktorie Weiss, Elena Strihavkova
Faculty of Production Technology and Management, JEP University in Ustí nad Labem

In the course of homogenizing annealing of aluminium alloys being cast continually or semi-continually it appears that chemical in homogeneity takes off within separate dendritic cells (crystal segregation). It is about a diffusional process that takes place at the temperature which approaches the liquid temperature of the material. In that process the transition of soluble intermetallic compounds and eutectic to solid solution occurs and it suppresses crystal segregation significantly. Temperature, homogenization time, the size of dendritic cells and diffusion length influence homogenizing process. The article explores the optimization of homogenizing process in terms of its time and homogenizing annealing temperature which influence mechanical properties of AlZn5,5Mg2,5Cu1,5 alloy.

Keywords: homogenizing annealing, AlZn5,5Mg2,5Cu1,5 alloy, crystal segregation, EDX - analysis

Published: December 1, 2012  Show citation

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Weiss V, Strihavkova E. Influence of the homogenization annealing on microstructure and mechanical properties of AlZn5,5Mg2,5Cu1,5 alloy. Manufacturing Technology. 2012;12(2):297-302. doi: 10.21062/ujep/x.2012/a/1213-2489/MT/12/2/297.
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