Abstract




 
   

Vol. 12, No. 4 (November 1999) 247-258   

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  COMPUTER SIMULATION OF EQUIDXED EUTECTIC SOLIDIFICTION OF METALS
 
 
A. Kermanpur, N. Varahraam and P. Davami
 
Department of Materials Engineering and Science
Sharif University of Technology
P.O. Box 11365-9466, Tehran, Iran
 
 
( Received: August 29, 1996 – Accepted in Revised Form: April 08, 1999 )
 
 

Abstract    In the present work, the solidification process was simulated in both macroscopic and microscopic scales. Two-dimensional heat transfer equation for conduction was applied for macroscopic modeling using enthalpy formulation and finite element method. In order to decrease execution time and/or memory capacity in finite analysis, skyline mathematical technique was adapted. The microenthalpy method using kinetic equations for microstructure formation was used for microscopic modeling. This macro-micrimodelling is able to represent transient thermal field of the system, the enthalpy and solid fraction distributions, and different aspects of microstructure: grain density, size, eutectic interlamellar and dendrite arm spacings. A good agreement was found between our numerical data with some experimental results from several research sources.

 

Keywords    Simulation, Solidification Process, Finite Element Method, Microstructure Formation, Eutectic Alloy

 

References   

 
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