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Korean Journal of Metals and Materials > Volume 55(3); 2017 > Article
Korean Journal of Metals and Materials 2017;55(3): 202-208. doi: https://doi.org/10.3365/KJMM.2017.55.3.202
Simulation and Experimental Study on the Steady Conduction Solution for Continuous Rheo-Casting for A356 Alloy
Do Minh Duc, Nguyen Hong Hai, Pham Quang
Key Laboratory of Metal Materials Technology, Hanoi University of Science and Technology (HUST), No.1 Dai Co Viet, Hanoi, Vietnam
Correspondence  Pham Quang ,Tel: +84-4-38692-033, Email: quang.pham@hust.edu.vn
Received: 29 December 2015;  Accepted: 9 August 2016.  Published online: 3 March 2017.
ABSTRACT
Computational fluid dynamic modeling of a continuous rheo-casting technology was conducted, consistent with the manufacturing of 3 mm-thin plates made of aluminum alloy A356. The A numerical simulation on of the stabilizing time of the material crystallization was carried out using the ANSYS FLUENT code. Solidification and melting models were simulated with heat transfer and solid-liquid phase transformation involving the latent heat of crystallization were simulated. The calculated temperature distribution and the evolution of cooling rate through the material were examined and used to clarify their influence on microstructure, and further investigated with hardness testing. The thickness of the mushy zone was determined for the steady conduction solution of the continuous rheo-casting process.
Keywords: semisolid processing, solidification, solid - liquid phase transition, computer simulation
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