[G] Titanium and its alloys & Ceramics

[161] Microstructure refinement of Ti–48Al–2Cr–2Nb alloy through the cyclic heat treatment and annealing

*YIM SEUNGKYUN¹, Bian Huakang², Aoyagi Kenta², Yamanaka Kenta², Chiba Akihiko² (1. Graduate School of Engineering, Tohoku University, 2. Institute for Materials Research, Tohoku University)

Keywords:TiAl、Cyclic heat treatment、grain refinement

The aim of this study is to obtain the fine fully lamellar via a simple pathway with low cost such as cyclic heat treatment.