Affiliation of Author(s):
冶金工程学院
Key Words:
中文关键字：铜镍合金；数值模拟；冷却速度，英文关键字：Cu-Ni alloy; Numerical simulation; Cooling rate; S
Abstract:
The effect of cooling rate on the solidification microstructure of Cu-Ni alloy is
investigated here. The Cu-Ni alloy was prepared in a main frequency furnace with three different
molds made of silica sand, graphite, and low carbon steel in the foundry. The simulation software of
diathermanous-flowing-stress coupling PROCAST is used to simulate the Cu-Ni alloy solidification
process about temperature field with the three molds. The microstructures of the alloys have been
studied through the optical microscopy (OM), the scanning electron microscopy (SEM), together
with the energy dispersive spectroscopy (EDS).The results show that the grain average size and the
primary and secondary dendrite arm space were obviously reduced with the increase of cooling rate.
The dendrite and interdendrite element segregation also decreases with increasing cooling rate.
Co-author:
YuhuaPang,YangleiHu,QiSun,Dong
Paper Publications
