高温合金涡轮叶片定向凝固过程数值模拟研究进展
许庆彦(),杨聪,闫学伟,柳百成
Development of Numerical Simulation in Nickel-Based Superalloy Turbine Blade Directional Solidification
XU Qingyan(),YANG Cong,YAN Xuewei,LIU Baicheng

图6. 变抽拉速率定向凝固条件下,涡轮叶片温度场与晶粒组织模拟结果

Fig.6. Simulated temperature field and grain structure of a turbine blade under varying withdraw rate in directional solidification condition(a) varying withdrawal rate process (b) temperature distribution (c) grain structure