Figure 3: Fatigue performance (S-N) curves for HSPT Ti-6Al-4V in the as-sintered state (produced in this study and as reported by Cao et al.32) and HSPT Ti-6Al-4V produced in this study after gaseous isostatic forging (GIF) and subsequent heat treatment to produce a β-annealed (coarse lamellar) microstructure.
From: Hydrogen-enabled microstructure and fatigue strength engineering of titanium alloys