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Influence of Melt Quality on the Formation of Fe Intermetallic in A360 Alloy

Bas E. N., Alper S., Tuncay Tansel, Dispinar Derya, Kirtay Sebahattin

Archives of Foundry Engineering

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2022

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Vol. 22, iss. 3

53--59

EN

The solubility of Fe in aluminium alloys is known to be a problem in the casting of aluminium alloys. Due to the formation of various intermetallic phases, the mechanical properties decrease. Therefore, it is important to determine the formation mechanisms of such intermetallic. In this work, A360 alloy was used, and Fe additions were made. The alloy was cast into the sand and die moulds that consisted of three different thicknesses. In this way, the effect of the cooling rate was investigated. The holding time was selected to be 5 hours and every hour, a sample was collected from the melt for microstructural analysis. Additionally, the melt quality change was also examined by means of using a reduced pressure test where the bifilm index was measured. It was found that the iron content was increased after 2 hours of holding and the melt quality was decreased. There was a correlation between the duration and bifilm index. The size of Al-Si-Mn-Fe phases was increased in parallel with the bifilm content regardless of the iron content.

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Koncepcja wdrożenia przetwarzania w chmurze w procesie projektowania w małym przedsiębiorstwie

Jaskulski A., Stecki P.

Mechanik

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2016

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R. 89, nr 10

1294--1296

PL

Zaprezentowano koncepcję wdrożenia technik przetwarzania w chmurze w procesie projektowania w małym przedsiębiorstwie. Przedstawiono rozwiązanie przykładowego zadania konstrukcyjnego za pomocą standardowych narzędzi i technik CAD oraz metodą przetwarzania wyłącznie w chmurze.

EN

The concept of cloud computing implementation in the design process in a small enterprise has been proposed in the paper. Two ways of an exemplary design task solution have been presented: with the aid of standard CAD tools and techniques and cloud computing only method.

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Analiza efektywności wdrożenia przetwarzania w chmurze w procesie projektowania w małym przedsiębiorstwie na przykładzie oprogramowania Autodesk

Jaskulski A., Stecki P.

Mechanik

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2016

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R. 89, nr 11

1592--1593

PL

Przedstawiono analizę efektywności wdrożenia koncepcji omówionej w [1]. Analiza została przeprowadzona pod kątem dwóch kryteriów: pracochłonności i kosztów. Przedstawiono strukturę pracochłonności podstawowych operacji projektowania oraz ostateczną propozycję wdrożenia.

EN

The analysis of the effectiveness of the implementation concept presented in [1] has been presented in the paper. Two criteria have been taken into account: labor consumption and cost. The labor consumption distribution as well as the final implementation proposal have also been presented.