定向凝固过程中型芯型壳温度场数值模拟  

Simulation of Temperature Fields on Ceramic Core and Ceramic Shell During Directional Solidification Process

作　　者：薛明[1] 曹腊梅[1] 刘世忠[1] 李嘉荣[1] 

机构地区：[1]北京航空材料研究院,北京100095

出　　处：《铸造》2007年第3期287-289,共3页Foundry

摘　　要：以空心涡轮叶片作为典型件,开展了定向凝固过程中叶片、陶瓷型芯和陶瓷型壳温度场的数值模拟研究,分析了陶瓷在定向凝固过程中的膨胀特点,对空心叶片铸造过程中陶瓷型芯的定位进行了设计。The first stage hollow turbine blades were taken as typical parts to research, The simulations of the temperature fields on blade, ceramic core and ceramic shell during directional solidification were investigated. The expend-behavior characteristic of ceramic at the course of solidification was analyzed. Locating model of ceramic cores was designed and presented.

关 键 词：定向凝固 陶瓷型芯 型壳 数值模拟 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]