Abstract
Ceramic foam filtration is widely used to enable removal of non metallic inclusions from liquid aluminium. Its performances have been largely studied in the literature and some discrepancies remain amongst the published results. Consequently, a research program was deployed to evaluate the performances of a range of ceramic foam filters used under various conditions and to understand the inclusions capture mechanisms.
On the first hand, laboratory trials were run on a filtration pilot under carefully controlled thermal and hydrodynamic conditions. The filtration efficiency of the Ceramic Foam Filter (CFF) was assessed by LiMCA measurements. Microscopic observations of the filter still impregnated with solidified metal were also carried out to know the repartition of the inclusions within the filter as well as their capture sites.
On the other hand, the initial filtration efficiency as well as the inclusion capture sites were calculated by a two-dimension lattice-Boltzmann filtration model [1] on several types of ceramic foam filters, for various types of inclusion. Results of this work are presented and discussed.
Access provided by Autonomous University of Puebla. Download to read the full chapter text
Chapter PDF
Similar content being viewed by others
References
C. Rivière., H. Duval, J-B.Guillot, 2D lattice-Boltzmann model of aluminium depth filtration, Light Metals, 2004, pp. 761–766.
S. Instone, M. Badowski, W. Schneider, Development of molten metal filtration technology for aluminium, Light Metals, 2005, pp. 933–938.
N. J. Keegan, W. Schneider, H. P. Krug, V. Dopp, Evaluation of the efficiency of ceramic foam and bonded particle cartridge filtration systems, Light Metals, 1997, pp. 973–982.
W. Schneider, H P Krug, N. J. Keegan, Efficiency and Performance of Industrial Filtration Systems, Sixth Australasian Asian Pacific Conference on Aluminium Casthouse Technology, 1999, pp. 159–174.
D. D. Smith, L.S. Aubrey, W.C. Miller, LiMCA II evaluation of the performance characteristics of single element and staged ceramic foam filtration, Light Metals, 1998, pp. 893–915.
L. A. Strom, J. W. Black, R. I. L Guthrie, C. Tian, Nonferrous alloy filtration efficiency study of fully sintered reticulated ceramics utilizing LiMCA and LAIS, Light Metals, 1992, pp. 1093–1100.
C. Tian, R.I.L. Gutrie, Rheological aspects of liquid metal filtration using reticulated ceramic foam filters, Light Metals, 1993, pp. 1003–1007
C. Dupuis, R. Dumont, Impact of LiMCA technology on the optimization of metal cleanliness, Light Metals, 1993, pp. 997–1002.
C. Dupuis, G. Béland, JP. Martin, Filtration Efficiency of Ceramic Foam Filters for production of high quality molten aluminium alloys, Proceedings of the 32nd annual conference of metallurgists, (Québec, Canada, CIM, 1993), pp. 349–358
N. J. Keegan, W. Schneider, H. P. Krug, Evaluation of the efficiency of fine pore ceramic foam filters, Light Metals 1999, pp. 1031–1041.
R. Mutharasan, D. Apelian, A. Romanowski, A laboratory investigation of aluminum filtration through deep-bed and ceramic open-pore filters, J. of Metals, 1981, vol. 33(12), pp. 12–18
D. Apelian, R. Mutharasan, Filtration: a melt refining method, J. of Metals, 1980, vol. 32(9), pp. 14–19.
C. Conti, Contribution à l’étude de la filtration profonde des métaux, PhD thesis, 1983, Faculté Polytechnique de Mons, 294 pages.
N. Townsey, W. Schneider, H.P. Krug, A. Hardman, N.J. Keegan, The influence of grain refiners on the efficiency of ceramic foam filters, Light Metal, 2001, pp. 973–977.
L.S. Aubrey, J.E. Dore, Ceramic Foam — a deep bed or caking filter in aluminium cast shop operations, Light Metals, 1993, pp. 1009–1020.
M. Cooksey, T. Ware, M.J. Couper, Effect of pressure cycle and extension probe on LiMCA measurement of inclusions, Light Metals, 2001, pp. 965–971.
B. Milligan, S. F. Ray, Recent improvements in the measurement and control of ceramic foam filter quality, Proc. Int. Conf. Advances in Production and Processing of Aluminum (APPA 2001), 2001, Manama, Bahrain, 15 pages.
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2016 The Minerals, Metals & Materials Society
About this chapter
Cite this chapter
Laé, E., Duval, H., Rivière, C., Le Brun, P., Guillot, JB. (2016). Experimental and Numerical Study of Ceramic Foam Filtration. In: Grandfield, J.F., Eskin, D.G. (eds) Essential Readings in Light Metals. Springer, Cham. https://doi.org/10.1007/978-3-319-48228-6_34
Download citation
DOI: https://doi.org/10.1007/978-3-319-48228-6_34
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-48576-8
Online ISBN: 978-3-319-48228-6
eBook Packages: Chemistry and Materials ScienceChemistry and Material Science (R0)