[P] P36~P59 Microstructures

[P37] Evaluation of Thermal Stability of Metastable Phase τ-MnAl via High-Temperature In-Situ X-Ray Observation

○Keigo Chino¹, Hibiki Tsutsumi¹, Takafumi Yamamoto¹, Ryuji Tamura¹ (1. Tokyo Univ. of Sci.)

Keywords:

Metastable phase,Phase transformation,Thermal stability,High-Temperature In-Situ X-Ray Observation

The τ phase in Mn–Al alloys exhibits excellent magnetic properties but is metastable and decomposes at elevated temperatures. This study investigates its thermal stability and decomposition mechanism by in-situ high-temperature X-ray diffraction.