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TiAl合金精密铸件缩孔的定量预测
Quantitative Simulation of Shrinkage Cavity of TiAl Precision Casting
【摘要】 研究了TiAl合金叶片铸件液态熔池孤立区形成的判定方法及缩孔的预测模型,对缩孔形成过程进行了模拟显示。研究表明,利用这种方法模拟缩孔缺陷可以提高铸件模拟缩孔预测精度。
【Abstract】 Dynamic determination method of liquid isolated molten pool and shrinkage cavity predication model of TiAl precision casting were studied,and simulation of formation of shrinkage cavity was performed.It is found that above method improve the prediction accuracy of defects.
【关键词】 凝固模拟;
缩孔;
熔池孤立区;
【Key words】 solidifiction simulation; shrinkage cavity; isolated molten pool;
【Key words】 solidifiction simulation; shrinkage cavity; isolated molten pool;
- 【文献出处】 热加工工艺 ,Hot Working Technology , 编辑部邮箱 ,2004年10期
- 【分类号】TG249
- 【被引频次】2
- 【下载频次】121