[J] Titan and Its Alloys

[J5] Ultrafine-grain refinement makes Ti-O alloy ductile at 77 K

*Yan Chong^1,2,3, Reza Gholizadeh¹, Ruopeng Zhang³, Andy Minor³, Nobuhiro Tsuji^1,2 (1. Department of Materials Science and Engineering, Kyoto University)

Keywords:titanium、oxygen interstitial、grain size、mechanical property

We explored the effects of grain refinement(by severe plastic deformation and annealing) on the low temperature tensile properties and deformation behaviors of Ti-O alloys