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Title
Iron impact on the quality of sand casting made from secondary AlSi7Mg0.6 alloy used in the automotive and aerospace industry

ISSN printed: 1733-8670, ISSN on-line: 2392-0378
Pastierovičová, Lucia1; Kuchariková, Lenka2; Tillová, Eva3; Chalupová, Mária4
URI: https://repository.am.szczecin.pl/handle/123456789/2749
2022-12-31
Due to the high demand for secondary alloys in the automotive and aerospace industry, this work investigates the effect of higher iron content on the quality of AlSi7Mg0.6 sand castings. Secondary-recycled Al-Si alloys contain an increased amount of impurities due to their remelting of scrap metal. One of the most unwanted impurities found in these alloys is iron. Iron leads to the formation of various Fe-rich intermetallic phases, whose morphology influences the mechanical properties even at low Fe content. It also promotes the formation of casting defects, such as porosity and shrinkage. The formation of porosity in secondary Al-alloys is another major aspect that can affect the final properties of castings. Since these materials are mainly used to produce castings for the automotive industry, such as engine blocks, cylinder heads, and so on, it is necessary to produce castings without any defects. Therefore, the quality of AlSi7Mg0.6 sand casting is investigated at lower iron content (0.128% wt. Fe) and compared to the higher iron content (0.429% wt. Fe), whereby a correlation between iron content and porosity is monitored.
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Title

Iron impact on the quality of sand casting made from secondary AlSi7Mg0.6 alloy used in the automotive and aerospace industry

Pages

Figures

5

Tables

2

ISSN printed

1733-8670

ISSN on-line

2392-0378

DOI

10.17402/537

Type

Original scientific article

Journal

72 Scientific Journals of the Maritime University of Szczecin, no. 72 / 2022

Publisher

Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Akademia Morska w Szczecinie

Copyright Holder

Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Akademia Morska w Szczecinie

Published

2022-12-31

Recieved

2022-10-22

Accepted

2022-11-15

Funding

No data

Keywords

the casting quality, secondary aluminum, aluminum alloys, Fe content, porosity, automotive

URI:

https://repository.am.szczecin.pl/handle/123456789/2749

Language

English

Authors

Pastierovičová, Lucia1; Kuchariková, Lenka2; Tillová, Eva3; Chalupová, Mária4

Affiliation

1 University of Žilina, Faculty of Mechanical Engineering, Department of Materials Engineering Univerzitná 8215/1, 010 26 Žilina, Slovak Republic, lucia.pastierovicova@fstroj.uniza.sk
2 University of Žilina, Faculty of Mechanical Engineering, Department of Materials Engineering Univerzitná 8215/1, 010 26 Žilina, Slovak Republic, lenka.kucharikova@fstroj.uniza.sk
3 University of Žilina, Faculty of Mechanical Engineering, Department of Materials Engineering Univerzitná 8215/1, 010 26 Žilina, Slovak Republic, eva.tillova@fstroj.uniza.sk
4 University of Žilina, Faculty of Mechanical Engineering, Department of Materials Engineering Univerzitná 8215/1, 010 26 Žilina, Slovak Republic, maria.chalupova@fstroj.uniza.sk

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