[G] Phase Stability and Phase Transformations

12:45 PM - 1:00 PM JST(3:45 AM - 4:00 AM UTC)

[204] Phase Diagram Calculation of Stable/Unstable Region and Experimental Verification in Ta-Ti-O system

○Kazuki Hashimoto¹, Takayori Yasuda², Satoshi Takizawa¹, Ken-ichi Ikeda¹, Seiji Miura¹ (1. Hokkaido Univ., 2. Hokkaido Univ. (Present: DOWA METALTECH Co., LTD.))

Keywords:

CALPHAD,Phase equilibria,Spinodal decomposition

CALPHAD calculation and experiments on Ta-Ti-O alloy reveal how oxygen dissolution drives phase separation during isothermal heat treatments.