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Effect of Filter Type on Mechanical Properties During Aluminium Alloy Casting

Treść / Zawartość
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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The naturally pressurized gating system was used for reoxidation suppression during aluminium alloy casting. A naturally pressurized gating system appears to be a suitable solution to reduce reoxidation processes, which was proven by our previous works. The disadvantage of this system is that without inserting deceleration elements, the melt velocity is supercritical. Therefore, the aim of paper is to find a proper way to reduce the melt velocity, which is the main parameter affecting the scale of reoxidation processes. For the purpose of the melt velocity reduction, labyrinth filters, foam filters and flat filters effect on the melt velocity and the number of oxides were investigated by numerical simulation software in the first stage of the experiment. After simulations observation, the effect of filters on the mechanical properties was investigated by experimental casts. The simulations and experimental casts proved that filters had a positive effect on the melt velocity reduction and it was associated with increased mechanical properties of castings. The best results were achieved by the foam filter.
Rocznik
Strony
95--98
Opis fizyczny
Bibliogr. 9 poz., il., tab., wykr.
Twórcy
autor
  • University of Žilina, Slovakia
  • University of Žilina, Slovakia
Bibliografia
  • [1] Campbell, J. (2015). Complete Casting Handbook. (2nd ed.). Oxford: Elsevier Ltd.
  • [2] Dobosz, St. M., Grabarczyk, A., Major-Gabrys, K. & Jakubski, J. (2015). Influence of quartz sand quality on bending strength and thermal deformation of moulding sands with synthetic binders. Archives of Foundry Engineering. 15(2), 9-12. ISSN (1897-3310).
  • [3] Lakoma, R., Camek, L., Lichý, P., Kroupová, I., Radkovský, F. & Obzina, T. (2021). Some possibilities of using statistical methods while solving poor quality production. Archives of Foundry Engineering. 21(1), 18-22. DOI: 10.24425/afe.2021.136073.
  • [4] Baghani, A., Kheirabi, A., Bahmani, A. & Khalilpour, H. (2012). Removal of double oxide film defects by ceramic foam filters. Journal of Materials Engineering and Performance. 21(7), 1352-1362. DOI: 10.1007/s11665-011-9991-3.
  • [5] Jezierski, J., Dojka, R. & Janerka, K. (2018). Optimizing the Gating System for Steel Castings. Metals. 8(266), 1-13. DOI: 10.3390/met804026.
  • [6] Pastirčák, R. & Ščury, J. (2016). Effect of technological parameters on microstructure in alloy AlCu4Ti using squeeze casting technology. The application of experimental and numerical methods in fluid mechanics and energy. ISBN 978-0-7354-1402-0.
  • [7] Gyarmati, G., Fegyverneki, G., Mende, T. & Tokár, M. 2019. Characterization of the double oxide film content of liquid aluminum alloys by computed tomography. Materials Characterization. 157, 109925.
  • [8] Remišová, A. & Brůna, M. (2019). Analysis of reoxidation processes with aid of computer simulation. Archives of Foundry Engineering. 19(4), 55-60.
  • [9] Brůna, M., Galčík, M., Sládek, A. & Martinec, D. (2021). Possibilities of bifilm amount reduction in Al castings by gating system design optimization. Archives of Metallurgy and Materials. 66(2), 549-559. ISSN 1733-3490.
Uwagi
Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-df31fc17-ce1b-4249-8f52-5f6b7e15a4d0
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