Phase Stability Study on the Remelting Reaction in Ca2SiO4 Solid Solutions |
| |
| Authors: | Koichiro Fukuda Iwao Maki Suketoshi Ito Hideto Yoshida |
| |
| Affiliation: | Department of Materials Science and Engineering, Nagoya Institute of Technology, Nagoya 466, Japan;Department of Geology, Graduate School of Science, The University of Tokyo, Tokyo 113, Japan |
| |
| Abstract: | A pseudobinary phase equilibrium diagram has been established for the P2O5-bearing Ca2SiO4-CaFe4O7 system to confirm the occurrence of remelting reaction in α-Ca2SiO4 solid solutions (C2S(ss)). The reaction started at 1290°C immediately after the α-to-α'H transition and finished at 1145°C. The reaction products were made up of about 1 wt% of liquid and 99 wt% of solid α'H-C2S(ss). The liquid exsolved at 1290°C was rich in Fe2O3, consisting of about 30 wt% of Ca2SiO4 and 70 wt% of CaFe4O7. The liquid coexisting with α-C2S(ss) precipitated new α'-phase crystals in association with the remelting reaction. |
| |
| Keywords: | |
|
|
