Local Fatigue Crack Propagation Resistance Relevant To Microstructure Uniquely Developed In A Friction Stirred Ti-6Al-4V Alloy JointM. Okazaki, M. Muzvidziwa and S. HiranoMATEC Web Conf., 321 (2020) 11054DOI: https://doi.org/10.1051/matecconf/202032111054