Source: Nemat-Nasser, S., W. G. Guo, and J. Y. Cheng. "Mechanical properties and deformation mechanisms of a commercially pure titanium." Acta materialia 47.13 (1999): 3705-3720.
Source: Kobayashi, Equo, et al. "Fatigue life prediction of biomedical titanium alloys under tensile/torsional stress." Materials transactions 47.7 (2006): 1826-1831.