Presentation Information
[P195]Impacts of Solute Oxygen on Microstructure Formation in TiAl Alloys
○Eito Tsushima1, Shodai Masaki1, Taro Kanda, Ryosuke Yamagata1, Takaomi Itoi1 (1. Chiba University)
Keywords:
microstructure control,lamellae,kinetics
Effects of solute oxygen on α2/γ lamellar microstructures and discontinuous coarsening kinetics in TiAl-based alloys were investigated. Oxygen changed the lamellar spacing, and secondary lamellae formed during aging followed the KJMA equation, with K decreasing and n increasing.
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