[G] Titanium,Aluminum and Its Alloys,Ceramics

[127] Refinement of lamellar structure of Ti–48Al–2Cr–2Nb alloy by multi-stage heat treatment

*SEUNGKYUN YIM¹, Huakang Bian², Kenta Aoyagi², Kenta Yamanaka², Akihiko Chiba² (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 refining the microstructure of Ti‒48Al‒2Cr‒2Nb alloy through the cost-effective multi-stage heat treatment