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Purpose: Effect of filter types on filling during low pressure die casting researched to find optimal filtration design for wheel casting process. Design/methodology/approach: Three types of filters, which are commonly used during low pressure die casting for light alloy aluminium wheel production, investigated with numerical simulation. In addition, numerical simulation for without filter is made for control variable. According to numerical simulation results, filling time, molten metal velocity results are used to define suitability of the molten metal for wheel casting. Thirteen Control points and two filtration areas generated to calculate the molten metal velocities before and after the filtration areas. Findings: Three different filtration designs for aluminium wheel casting compared according to molten aluminium velocity results of numerical simulation in terms of flow of melt. Filtration design with flat filter is the optimal filtration design for aluminium wheels casting, according to numerical simulations. In addition, combination of other filters with flat filter is suggested to find optimal filtration design according to performance of filters during low pressure die casting. Research limitations/implications: 0.5 m/s velocity for molten metal is accepted as a critical maximum limit for reliable casting according to literature search on aluminium casting. No field test was done in this study. Originality/value: Effect of flow properties on casting quality is promising research field and the effect of filters is part of this research field.
Słowa kluczowe
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Rocznik
Tom
Strony
71--77
Opis fizyczny
Bibliogr. 13 poz., rys., tab.
Twórcy
autor
- CMS JantveMakina San. A.Ş., 10006/1 Sok. No.12 35620 A.O.S.B Cigli, Izmir - R&D Center, Turkey
autor
- CMS JantveMakina San. A.Ş., 10006/1 Sok. No.12 35620 A.O.S.B Cigli, Izmir - R&D Center, Turkey
autor
- CMS JantveMakina San. A.Ş., 10006/1 Sok. No.12 35620 A.O.S.B Cigli, Izmir - R&D Center, Turkey
autor
- CMS JantveMakina San. A.Ş., 10006/1 Sok. No.12 35620 A.O.S.B Cigli, Izmir - R&D Center, Turkey
autor
- CMS JantveMakina San. A.Ş., 10006/1 Sok. No.12 35620 A.O.S.B Cigli, Izmir - R&D Center, Turkey
Bibliografia
- [1] G.E. Bozchaloei, N. Varahram, P. Davami, S.K. Kim, Effect of oxide bifilms on the mechanical properties of cast Al-7Si-0.3Mg alloy and the roll of runner height after filter on their formation, Materials Science and Engineering A 548 (2012) 99-105.
- [2] J. Roučka, Filtration of casting alloys, Czech Foundry Society Technological committee, Brno, 2000.
- [3] N.V. Buchilin, V G. Maksimov, V.G. Babashov, Ceramic Filters for Aluminum Melt (Review), Glassand Ceramics 72 (2015) 7-8.
- [4] E. Bagherian, M.K. Ariffin, S. Sulaiman, Development of a ceramic foam filter for filtering molten aluminium alloy in casting processes, International Journal of Research in Engineering and Technology 4/3 (2015)27-43.
- [5] X. Cao, Mechanisms of Pressure Filtration of Liquid Aluminum Alloys, Metallurgical and Materials Transactions B 37 (2006) 1075-1083.
- [6] L.N. W. Damoah, L. Zhang, Removal of Inclusions from Aluminum Through Filtration, Metallurgical And Materials Transactions B 41B (2010) 886-907.
- [7] J. Bäckman, I.L. Svensson, Evaluation of filter parameters from direct observations of metal flow in aluminium castings, Jönköping University, School of Engineering research report, 1999.
- [8] A.H. Zadeh, J. Campbell, Metal Flow through a Filter System, AFS Transactions 02-020 (2003) 1-17.
- [9] D. Kocaefe, R.T. Bui, P. Waite, 2D transient filtration model for aluminium, Applied Mathematical Modelling 33 (2009) 4013-4030.
- [10] A. Karwiński, M. Małysza, A. Tchórz, A. Gil, B. Lipowska, Integration of Computer Tomography and Simulation Analysis in Evaluation of Quality of Ceramic-Carbon Bonded Foam Filter, Archives of Foundry Engineering 13/4 (2013) 67-72.
- [11] J.C. Gebelin, M.R. Jolly, Modelling Filters in Light Alloy Casting Process, AFS Transactions 02-079(2002) 1-11.
- [12] S.G. Liu, F.Y. Cao, X.Y. Zhao, Y.D. Jia, Z.L. Ning, J.F. Sun, Characteristic of mold filling and entrainment of oxide film in low pressure casting of A356 alloy, Material Science & Engineering A 626 (2015) 159-164.
- [13] Standart Manual of Magma5, Version 5.2.0.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-56528d9f-8a35-418c-8191-0974c605b10b