[G] 超微細粒材料

[127] Phase Transition and Microstructural Evolution in A2O3 by High-Pressure Torsion

*KAVEH Edalati¹、Ikuro FUJITA¹、Xavier SAUVAGE²、Zenji HORITA³ (1. I2CNER, Kyushu University, Fukuoka, Japan、2. University of Normandy, Rouen, France、3. Kyushu Institute of Technology, Kitakyushu, Japan)

キーワード：Phase Transformation、Ultrafine-Grained Materials

In this study, nanocrystalline Al2O3 powders are plastically strained by high-pressure torsion (HPT) and the effect of plastic strain on phase transformation and microstructural evolution is studies.