摘要
The purpose of this study is to predict the morphologies in the solidification process for Cu-0.6Cr(mass fraction,%)alloy by vacuum continuous casting(VCC)and verify its accuracy by the observed experimental results.In numerical simulation aspect, finite difference(FD)method and modified cellular automaton(MCA)model were used to simulate the macro-temperature field, micro-concentration field,nucleation and grain growth of Cu-0.6Cr alloy using real data from actual casting operations.From the observed casting experiment,the preliminary grain morphologies are the directional columnar grains by the VCC process.The solidification morphologies by MCAFD model are in agreement with the result of actual casting experiment well.
The purpose of this study is to predict the morphologies in the solidification process for Cu-0.6Cr（mass fraction,%）alloy by vacuum continuous casting（VCC）and verify its accuracy by the observed experimental results.In numerical simulation aspect, finite difference（FD）method and modified cellular automaton（MCA）model were used to simulate the macro-temperature field, micro-concentration field,nucleation and grain growth of Cu-0.6Cr alloy using real data from actual casting operations.From the observed casting experiment,the preliminary grain morphologies are the directional columnar grains by the VCC process.The solidification morphologies by MCAFD model are in agreement with the result of actual casting experiment well.
作者简介
Corresponding author： HWANG Weug-sing; Tel： ＋886-6-234-4393; E-mail： wshwang@mail.ncku.edu.tw
