Numerical Simulation of Solid Liquid Interface Behavior During Continuous Strip Casting Process

2013 ◽  
Vol 13 (5) ◽  
pp. 3346-3349 ◽  
Author(s):  
Changbum Lee ◽  
Wooyoung Yoon ◽  
Seungwon Shin ◽  
Jaewoo Lee ◽  
Bo-Yun Jang ◽  
...  
Keyword(s):  
Numerical Simulation ◽  
Casting Process ◽  
Liquid Interface ◽  
Strip Casting ◽  
Interface Behavior ◽  
Solid Liquid Interface ◽  
Solid Liquid ◽  
Continuous Strip

scholarly journals Analysis of Solid-Liquid Interface Behavior during Continuous Strip-Casting Process Using Sharp-Interface Technique

2013 ◽  
Vol 2013 ◽  
pp. 1-5
Author(s):  
Changbum Lee ◽  
Wooyoung Yoon ◽  
Seungwon Shin ◽  
Jaewoo Lee ◽  
Hee-eun Song
Keyword(s):  
Liquid Interface ◽  
Strip Casting ◽  
Sharp Interface ◽  
Optimum Process ◽  
Process Conditions ◽  
Reconstruction Method ◽  
Interface Behavior ◽  
Solid Liquid Interface ◽  
Solid Liquid ◽  
Continuous Strip

Continuous strip casting (CSC) has been developed to fabricate thin metal plates while simultaneously controlling the microstructure of the product. A numerical analysis to understand the solid-liquid interface behaviors during CSC was carried out and used to identify the solidification morphologies of the plate, which were then used to obtain the optimum process conditions. In this study, we used a modified level contour reconstruction method and the sharp-interface method to modify the interface tracking, and we performed a simulation analysis to identify the differences in the material properties that affect the interface behavior. The effects of the process parameters such as the heat transfer coefficient and extrusion velocity on the behavior of the solid-liquid interface are estimated and also used to improve the CSC process.

Numerical Simulation on the Influence of Heated Mold Continuous Casting Process Parameters to Solid-Liquid Interface

2012 ◽  
Vol 217-219 ◽  
pp. 2006-2011
Author(s):  
Hong Jin Zhao ◽  
Gui Huan An ◽  
Wen Feng Zeng ◽  
Xin Luo
Keyword(s):  
Numerical Simulation ◽  
Process Parameters ◽  
Casting Speed ◽  
Casting Process ◽  
Mold Temperature ◽  
Liquid Interface ◽  
Stable Operation ◽  
Operation Conditions ◽  
Solid Liquid Interface ◽  
Solid Liquid

The effect of the position and shape of solid-liquid interface on process parameters has been studied by the numerical simulation method, and the reasonable process parameters have been given. The results shows that the position and shape of solid-liquid interface is mainly affected by mold temperature, casting speed and cooling distance. It were moved to the mold export with the improvement of the mold temperature, casting speed or the reduce of cooling capacity. And the reasonable process parameters are that the mold temperature is 1363-1373 K, casting speed is 80-100mm/min, cooling distance is 40-50mm. The research results would obtain stable operation conditions and improve the billet quality.

Numerical simulation of melt growth: prediction of solid-liquid interface shape

1993 ◽  
Vol 129 (1-2) ◽  
pp. 30-36
Author(s):  
K. Oda ◽  
T. Saito ◽  
J. Nishihama ◽  
T. Ishihara ◽  
M. Sato
Keyword(s):  
Numerical Simulation ◽  
Liquid Interface ◽  
Interface Shape ◽  
Melt Growth ◽  
Growth Prediction ◽  
Solid Liquid Interface ◽  
Solid Liquid

Comparative Study of the Solid-Liquid Interface Behavior of Amphiphilic Block and Block-Like Copolymers

2009 ◽  
Vol 210 (3-4) ◽  
pp. 287-298 ◽  
Author(s):  
Nikolay Bulychev ◽  
Wim Van Camp ◽  
Bart Dervaux ◽  
Yulia Kirilina ◽  
Klaus Dirnberger ◽  
...  
Keyword(s):  
Comparative Study ◽  
Liquid Interface ◽  
Interface Behavior ◽  
Solid Liquid Interface ◽  
Solid Liquid

scholarly journals Effects of Static Magnetic Field on the Microstructure of Selective Laser Melted Inconel 625 Superalloy: Numerical and Experiment Investigations

Metals ◽  
2021 ◽  
Vol 11 (11) ◽  
pp. 1846
Author(s):  
Wanli Zhu ◽  
Sheng Yu ◽  
Chaoyue Chen ◽  
Ling Shi ◽  
Songzhe Xu ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Numerical Simulation ◽  
Lorentz Force ◽  
Molten Pool ◽  
Liquid Interface ◽  
Inconel 625 ◽  
Multi Scale ◽  
Inconel 625 Superalloy ◽  
Solid Liquid Interface ◽  
Solid Liquid

A number of researchers have reported that a static magnetic field (SMF) will affect the process of selective laser melting (SLM), which is achieved mainly through affecting molten pool evolution and microstructure growth. However, its underlying mechanism has not been fully understood. In this work, we conducted a comprehensive investigation of the influence of SMF on the SLM Inconel 625 superalloy through experiments and multi-scale numerical simulation. The multi-scale numerical models of the SLM process include the molten pool and the dendrite in the mushy zone. For the molten pool simulation, the simulation results are in good agreement with the experimental results regarding the pool size. Under the influence of the Lorentz force, the dimension of the molten pool, the flow field, and the temperature field do not have an obvious change. For the dendrite simulation, the dendrite size obtained in the experiment is employed for setting up the dendrite geometry in the dendrite numerical simulation, and our findings show that the applied magnetic field mainly influences the dendrite growth owing to thermoelectric magnetic force (TEMF) on the solid–liquid interface rather than the Lorentz force inside the molten pool. Since the TEMF on the solid–liquid interface is affected by the interaction between the SMF and thermal gradient at different locations, we changed the SLM parameters and SMF to investigate the effect on the TEMF. The simulation shows that the thermoelectric current is highest at the solid–liquid interface, resulting in a maximum TEMF at the solid–liquid interface and, as a result, affecting the dendrite morphology and promoting the columnar to equiaxed transition (CET), which is also shown in the experiment results under 0.1 T. Furthermore, it is known that the thermoelectric magnetic convection (TEMC) around the dendrite can homogenize the laves phase distribution. This agrees well with the experimental results, which show reduced Nb precipitation from 8.65% to 4.34% under the SMF of 0.1 T. The present work can provide potential guidance for microstructure control in the SLM process using an external SMF.

Computational Modelling of Continuous Casting

2003 ◽  
Author(s):  
D. A. Sinton ◽  
B. R. Baliga
Keyword(s):  
Fluid Flow ◽  
Continuous Casting ◽  
Control Volume ◽  
Computational Modelling ◽  
Casting Process ◽  
Direct Chill ◽  
Liquid Interface ◽  
Thermal Fields ◽  
Solid Liquid Interface ◽  
Solid Liquid

Computer simulations of fluid flow and heat transfer phenonmena in a continuous casting process with direct-chill (DC) boundary conditions are presented and discussed in this paper. The investigation is limited to a steady-state, two-dimensional axisymmetric system, used for DC continuous casting of a zero-freezing-range aluminum-magnesium alloy (A6063). An adaptive-grid numerical method is used in these simulations. The grid is designed to delineate the solid-liquid interface using a structured adaptation technique. The fluid flow and thermal fields are predicted using a control-volume finite element (CVFEM). Comparisons of the calculated solid-liquid interface geometries with those reported in earlier experimental and numerical studies are presented in this paper. In addition, the role of natural convection in this casting process is investigated and presented.

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