INFLUENCE OF COPPER CONTENT ON MICROSTRUCTURE DEVELOPMENT OF AlSi9Cu3 ALLOY

  • Zdenka Zovko Brodarac University of Zagreb Faculty of Metallurgy
  • Natalija Dolić University of Zagreb Faculty of Metallurgy
  • Faruk Unkić University of Zagreb Faculty of Metallurgy

Abstract


Microstructure development and possible interaction of present elements have been determined in charge material of EN AB AlSi9Cu3 quality. Literature review enables prediction of solidification sequence. Modelling of equilibrium phase diagram for examined chemical composition has been performed, which enables determination of equilibrium solidification sequence. Microstructural investigation indicated distribution and morphology of particular phase. Metallographic analysis tools enable exact determination of microstructural constituents: matrix αAl, eutectic αAl+βSi, iron base intermetallic phase - Al5FeSi, Alx(Fe,Mn)yCuuSiw and/or Alx(Fe,Mn)yMgzCuuSiw and copper base phases in ternary eutectic morphology Al-Al2Cu-Si and in complex intermetallic ramified morphology Alx(Fe,Mn)yMgzSiuCuw. Microstructure development examination reveals potential differences due to copper content which is prerequisite for high values of final mechanical, physical and technological properties of cast products.

Author Biographies

Zdenka Zovko Brodarac, University of Zagreb Faculty of Metallurgy
Department for process metallurgy
Natalija Dolić, University of Zagreb Faculty of Metallurgy
Department for process metallurgy
Faruk Unkić, University of Zagreb Faculty of Metallurgy
Department for process metallurgy

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Published
2014/06/15
How to Cite
Zovko Brodarac, Z., Dolić, N., & Unkić, F. (2014). INFLUENCE OF COPPER CONTENT ON MICROSTRUCTURE DEVELOPMENT OF AlSi9Cu3 ALLOY. Journal of Mining and Metallurgy, Section B: Metallurgy, 50(1), 53-60. Retrieved from https://aseestant.ceon.rs/index.php/jmm/article/view/3276
Issue
Vol. 50 No. 1 (2014)
Section
Original Scientific Paper

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