Utilization of Heat Treatment Aimed to Spheroidization of Eutectic Silicon for Silumin Castings Produced by Squeeze Casting

Vanko, Branislav; Stancek, L.

doi:10.2478/v10266-012-0021-1

Cited by 3 publications

(2 citation statements)

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“…The heat-treatable nature of AlSi7Mg0.3 also enables further improvement of its mechanical properties through solution heat treatment and ageing. Despite its advantages, the presence of Fe and other impurities in the recycled aluminium scrap can negatively impact the microstructure and properties of AlSi7Mg0.3 alloys, thus, requiring careful selection of raw materials and precise control of casting conditions [5][6][7][8].…”

Section: The Influence Of Mn Addition On Corrosion Resistance In Seco...mentioning

confidence: 99%

“…The presence and distribution of intermetallic phases significantly affect the properties of the alloy, and therefore, understanding their formation and growth is important for optimizing the properties of the AlSi7Mg0.3 alloy. The intermetallic phases in AlSi7Mg0.3 can be classified into several types, including Fe-rich Al5FeSi, Al15(FeMn)3Si2, and Mg2Si, each with unique chemical and physical properties that contribute to the overall behaviour of the alloy [8][9][10].…”

Section: The Influence Of Mn Addition On Corrosion Resistance In Seco...mentioning

confidence: 99%

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The Influence of Mn Addition on Corrosion Resistance in Secondary Aluminium Alloy AlSi7Mg0.3 after the Heat Treatment

ŠURDOVÁ

2023

Quality Production Improvement and System Safety

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Abstract. This paper aims to study the secondary aluminium alloy AlSi7Mg0.3 with higher Fe content after heat treatment. The addition of Mn is also investigated. The quantitative analysis was performed to evaluate the effect of higher Fe content on the amount and shape of platelet-like Fe-rich intermetallic phases. As a method of corrosion resistance testing an immersion test in 3.5% NaCl was used. This test was done in order to evaluate the influence of higher Fe content and Mn addition in heat-treated AlSi7Mg0.3 alloys. The results show that the Mn addition increases the corrosion resistance of AlSi7Mg0.3 alloys, but not significantly. AlSi7Mg0.3 alloys have numerous uses within the automobile and other sectors.

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Section: The Influence Of Mn Addition On Corrosion Resistance In Seco...mentioning

confidence: 99%

Section: The Influence Of Mn Addition On Corrosion Resistance In Seco...mentioning

confidence: 99%

The Influence of Mn Addition on Corrosion Resistance in Secondary Aluminium Alloy AlSi7Mg0.3 after the Heat Treatment

ŠURDOVÁ

2023

Quality Production Improvement and System Safety

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Effect of Higher Iron Content and Manganese Addition on the Corrosion Re-sistance of AlSi7Mg0.6 Secondary Alloy

Mikolajčík¹,

Tillová²,

Kuchariková³

et al. 2022

Manufacturing Technology

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The use of secondary aluminium alloys gives manufacturers in many industries the opportunity to produce their products more economically and environmentally friendly. The secondary aluminium alloy production is sustainable in the long term. As aluminium does not lose its excellent properties through recycling, secondary aluminium alloys have the potential to replace primary aluminium in many applications. However, recycled aluminium alloys have the disadvantage of insufficient sorting and thus a higher content of impurities in their chemical composition. The most common undesirable element in Al-Si-Mg cast alloys is iron. It adversely affects mechanical properties, fatigue behaviour and corrosion resistance. The influence of iron can be reduced by the addition of manganese. This paper deals with the effect of manganese on the morphology of Fe-phases and corrosion resistance of AlSi7Mg0.6 secondary alloy with higher iron content (0.75 % and 1.26 %).

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The Influence of Fe Content on Corrosion Resistance of secondary AlSi7Mg0.3 Cast Alloy with Increased Fe-content

Šurdová¹,

Kuchariková²,

Tillová³

et al. 2022

Manufacturing Technology

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Production of primary aluminium is energetically enormously expensive. The use of secondary (recycled) aluminium, has therefore a high potential to save money and energy while reducing the negative environmental impact of aluminium production. Although the properties of secondary aluminium alloys are generally comparable to those of primary aluminium alloys, the increased Fe content can lead to a significant reduction in the corrosion resistance of these alloys. Secondary (recycled) AlSi7Mg0.3 cast alloy with different iron contents (0.123, 0.454, 0.679 and 1.209 wt. %) in the as-cast and after heat treatment (T6) condition was investigated. The quantitative analysis was focused on the evaluation of the Fe-phases, especially the needle-like Al 5 FeSi phase. The corrosion resistance was measured by a rapid corrosion test (AUDI test). The corrosion damage of the surface was observed macroscopically. The results show that Fe content higher than 0.454 % has no significant effect on the amount and size of needle-like phases of Al 5 FeSi. The corrosion resistance is mainly influenced by the size and length of the Al 5 FeSi phases. Increased Fe content decreases the corrosion resistance of AlSi7Mg0.3 alloy and accelerates the initiation of corrosion.

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Utilization of Heat Treatment Aimed to Spheroidization of Eutectic Silicon for Silumin Castings Produced by Squeeze Casting

Cited by 3 publications

References 0 publications

The Influence of Mn Addition on Corrosion Resistance in Secondary Aluminium Alloy AlSi7Mg0.3 after the Heat Treatment

The Influence of Mn Addition on Corrosion Resistance in Secondary Aluminium Alloy AlSi7Mg0.3 after the Heat Treatment

Effect of Higher Iron Content and Manganese Addition on the Corrosion Re-sistance of AlSi7Mg0.6 Secondary Alloy

The Influence of Fe Content on Corrosion Resistance of secondary AlSi7Mg0.3 Cast Alloy with Increased Fe-content

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