[G] Biomaterials Development and Clinics

3:35 PM - 3:50 PM JST(6:35 AM - 6:50 AM UTC)

[325] Effect of Grain Boundary Characteristics and Intragranular α" Phase on Discontinuous α+β Precipitation in Ti-4Mo Alloy

○Sengo Kobayashi¹, Sho Matsushima¹, Satoshi Okano¹, Takanori Kiguchi², Takahisa Shiraishi² (1. Ehime Univ., 2. Kumamoto Univ.)

Keywords:

Titanium alloy,Discontinuous precipitation,Alpha double prime phase,Spinodal decomposition,oxygen addition

This study investigates α+β discontinuous precipitation, a process that inhibits α” phase spinodal decomposition in Ti-4Mo alloy. The α+β discontinuous precipitation is significantly influenced by grain boundary characteristics and the addition of interstitial elements.