[G] Ti-Ti alloy and Ceramics

[351] Multi-scale analysis of fatigue crack formation in a forged Ti-6Al-4V alloy

*Fabien BRIFFOD¹, Kyosei AMINO¹, Takayuki SHIRAIWA¹, Satoshi EMURA², Manabu ENOKI¹ (1. The University of Tokyo, 2. National Institute for Material Science)

Keywords:Titanium alloy、Fatigue crack initiation、Short crack propagation、Electron Backscatter diffraction、Crystallographic texture

The fatigue behavior of a forged Ti-6Al-4V alloy is investigated by means of in situ optical microscope monitoring and ebsd measurements post-mortem.