Manufacturing Technology 2015, 15(4):567-571 | DOI: 10.21062/ujep/x.2015/a/1213-2489/MT/15/4/567

The Effect of Casting Technology on Fe Intermetallic Phases in Al-Si Cast Alloys

Lenka Kuchariková, Eva Tillová, Juraj Belan, Milan Uhríčik
Faculty of Mechanical Engineering, University of ®ilina. Univerzitná 8215/1, 010 26 ®ilina. Slovakia

The most widely used technologies of founding Al-Si cast alloys are gravitation and semi-centrifugal casting, casting under pressure and so on. The contribution deals with influence of different casting method on changes of Fe intermetallic phases. Casting into metallic mould and sand mould were used for experimental work for comparison Fe-rich formation. Fe is a common impurity that leads to the formation of complex Fe-rich intermetallic phases. The dominant phase is plate-shaped Al5FeSi. These phases are unwaited, because reduce properties of aluminium casting. The experimental materials have most common addition Mn. The addition of Mn may reduce Al5FeSi phase and promote formation Fe-rich phases Al15(FeMn)3Si2 in "skeleton like" or "Chinese script" form. This knowledge was confirmed. The present study is a part of larger research project.

Keywords: Aluminium Alloys, Casting Technology, Fe Intermetallic Phases, Quantitative Assesment

Published: September 1, 2015  Show citation

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Kuchariková L, Tillová E, Belan J, Uhríčik M. The Effect of Casting Technology on Fe Intermetallic Phases in Al-Si Cast Alloys. Manufacturing Technology. 2015;15(4):567-571. doi: 10.21062/ujep/x.2015/a/1213-2489/MT/15/4/567.
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