Home Kovove Materialy-Metallic Materials 2011 Metallic Materials Vol. 49 (2011), no. 4, pp.253-258

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Metallic Materials Vol. 49 (2011), no. 4, pp.253-258

Title: Solidification of A356 Al alloy: Experimental study and modeling
Author: M. O. SHABANI, A. MAZAHERY, A. BAHMANI, P. DAVAMI, N. VARAHRAM

Abstract: While it is well recognized that microstructure controls the physical and mechanical properties of a material, the complexity of the microstructure often makes it difficult to be simulated by analytical or numerical techniques. In this paper we present a suitable approach to compute microstructures within a casting using the finite element technique. This technique allows implementing microstructure data from experiments and equations that describe microstructure as function of local solidification parameters. The comparison of this model’s predictions with the ones in the literature and also experimental measurements of secondary dendrite arm spacing, average length and diameter of silicon rods for A356 alloy are presented in this work. It is revealed that predictions of this study are consistent with the other models and experimental measurements for A356 alloy. The results of this research were also used in order to form an analytical equations followed with solidification codes for SUT (Sharif University Technology) software.

Keywords: A356, microstructure, modeling
Year: 2011, Volume: 49, Issue: 4 Page From: 253, Page To: 258
doi:10.4149/km_2011_4_253


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