[G] Melting and solidification process/High temperature process

[94] In-situ observation of eutectic growth of binary Ni-Si alloy

*Lu-Chung CHUANG¹, Kensaku MAEDA¹, Keiji SHIGA¹, Haruhiko MORITO¹, Kozo FUJIWARA¹ (1. IMR Tohoku Univ.)

Keywords:Polyphase solidification、Eutectic growth、Directional solidification、Silicon、Nickel

Si-44at%Ni alloy formed fine fibrous structure during solidification. This fine structure roughened during subsequent cooling process, implying the initial fine structure is not a stable morphology.