Microstructure, Mechanical Properties and Corrosion Behavior of Zr-Containing AlSi5Cu2Mg Alloy

• Autorzy: Bolibruchová Dana , Širanec Lukáš , Kajánek Daniel , Chalupová Mária

Identyfikatory

DOI

10.24425/amm.2023.142457

• Języki publikacji: EN

Abstrakty

EN

The aim of this paper was to analyze the impact of varying zirconium addition on selected properties of AlSi5Cu2Mg alloy. The results of this research showed that zirconium addition in the range of 0.05 to 0.20 wt. % caused a decrease in ultimate tensile strength and yield strength of the experimental alloys after T7 heat treatment, probably due to the formation of primary Al3Zr intermetallic phases. These phases were observed as an individual plates or as a formation of two crossed plate-like phases. Potentiodynamic polarization tests in 3.5% NaCl solution revealed that addition of Zr had a positive effect on thermodynamic corrosion stability of the AlSi5Cu2Mg alloy due to shift of the corrosion potential to a more positive values for all as-cast samples. Addition of Zr in the as-cast alloys improved corrosion kinetics by lowering of corrosion current density.

Słowa kluczowe

EN

mechanical properties; zirconium; microstructure; corrosion; AlSi5Cu2Mg

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2023
• Tom: Vol. 68, iss. 2
• Strony: 749--756
• Opis fizyczny: Bibliogr. 26 poz., fot., rys., tab.

Twórcy

autor

Bolibruchová Dana

• University of Žilina, Faculty of Mechanical Engineering, Univerzitná 8215/1, 010 26 Žilina, Slovakia

• https://orcid.org/0000-0002-7374-9763

autor

Širanec Lukáš

• University of Žilina, Faculty of Mechanical Engineering, Univerzitná 8215/1, 010 26 Žilina, Slovakia

• https://orcid.org/0000-0003-1544-3640

autor

Kajánek Daniel

• University of Žilina, Research Centre, Univerzitná 8215/1, 010 26 Žilina, Slovakia

• https://orcid.org/0000-0002-5005-8740

autor

Chalupová Mária

• University of Žilina, Faculty of Mechanical Engineering, Univerzitná 8215/1, 010 26 Žilina, Slovakia

• https://orcid.org/0000-0003-0175-9484

Bibliografia

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Uwagi

This research was created within the project of the grant agency VEGA 1/0160/22 and grant system of University of Zilina No. 1/2021 (14862). The authors thank for the support. This paper was also supported under the project of Operational Programme Integrated Infrastructure: Independent research and development of technological kits based on wearable electronics products, as tools for raising hygienic standards in a society exposed to the virus causing the COVID-19 disease, ITMS2014+ code 313011ASK8. The project is co-funding by European Regional Development Fund.