DBPapers
DOI: 10.5593/SGEM2016/B21/S07.057

THE AL-SI ALLOY FLUIDITY TEST IN COMPUTER SIMULATION AND MULTIPLE REGRESSION ANALYSIS

P. Futas, J. Petrik, A. Pribulova, P. Blasko
Friday 9 September 2016 by Libadmin2016

References: 16th International Multidisciplinary Scientific GeoConference SGEM 2016, www.sgem.org, SGEM2016 Conference Proceedings, ISBN 978-619-7105-58-2 / ISSN 1314-2704, June 28 - July 6, 2016, Book2 Vol. 1, 453-460 pp

ABSTRACT

The results of the fluidity test obtained by computer simulations (software NovaFlow&Solid) and by the experiment were compared. The horizontal mold with three canals was an experimental device that provides true or real values of the fluidity. Al-Si alloy with Si content between 5 and 12 % wt. was an experimental material. The casting temperatures ranged between 605°C and 830°C and the casting velocity between 100 and 400 g s-1. Pursuant to close results between true tests of the fluidity in a horizontal three-channel mold and the results of computer simulation, the model was designed. Subsequently, the model was processed by multiple regression analysis. A calculated equation was verified by comparing with the results of true fluidity in conclusion. The difference is not statistically significant.

Keywords: Al-Si, fluidity, computer simulation, regression analysis

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