基于界面追踪-动网格技术模拟凝固收缩下Fe-C合金宏观偏析 |
董士虎, 张红伟, 吕文朋, 雷洪, 王强 |
Numerical Simulation on Macrosegregation in Fe-C Alloy Under Solidification Shrinkage Through Interface Tracking-Dynamic Mesh Technique |
DONG Shihu, ZHANG Hongwei, LÜ Wenpeng, LEI Hong, WANG Qiang |
图10 仅热-溶质浮升力作用下不同时刻和位置铸锭中界面前沿溶质浮力与热浮力曲线 |
Fig.10 Solutal and thermal buoyancy curves (a-c) and locally enlarged parts (d-f) at solidification front in ingot with only consideration of buoyancy at different time in the model (βc(cl - cref)—solutal buoyancy per gravity, |βT(T - Tref)|—absolute value of thermal buoyancy per gravity) (a, d) y = 0.5 m (b, e) y = 1.0 m (c, f) y = 1.5 m |
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