Finite Element Simulation of Twin-Roll Casting Process with an Implementation of Slip/Friction Boundary Condition

[+] Author and Article Information
Jee-Gong Chang, Cheng-I Weng

Department of Mechanical Engineering, National Cheng Kung University, Tainan, Taiwan, R. O. C.

J. Manuf. Sci. Eng 121(4), 665-673 (Nov 01, 1999) (9 pages) doi:10.1115/1.2833098 History: Received May 01, 1997; Revised April 01, 1998; Online January 17, 2008


The twin-roll casting process is simulated by a general thermomechanical model by using a versatile finite element method. The multidomain method is employed to deal with the solid and liquid phases separately. This includes treating the liquid phase as an Newtonian fluid and the solid phase as a viscoplastic metal. Furthermore, a friction model is proposed to analyze the rolling effect of the completely solidified metal. From the results of this study, the implementation of the friction model can produce a reasonable flow field of the solidified metal. In addition, the non-slip condition severely restricts the motion of the solidified metal and introduces inaccuracy on the temperature, velocity and stress fields as compared to the current approach.

Copyright © 1999 by The American Society of Mechanical Engineers
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