灰铸铁凝固收缩的数值模拟

The Numerical Simulation of the Solidification and Shrinkage-expansion of Gray Iron Castings

利用计算机数值模拟技术研究铸铁的均衡凝固过程,确定铸件的收缩量和收缩时间,设计铸件的补缩工艺。

Abstract The equalizing solidification processes of gray iron casting has been studied using the computer numerical simulation method. The shrinkage degree and the shrinkage time for a casting were determined. The calculated results can be used to design the feeding system for gray iron castings.