Table 1 Average mechanical properties of Ti-6Al-4V produced in this study via HSPT and traditional vacuum sintering. The ASTM B348 standard for Grade 5 Ti-6Al-4V43 is given for reference.
From: Hydrogen-enabled microstructure and fatigue strength engineering of titanium alloys
Condition | Microstructure | UTS (MPa) | σy,0.2% (MPa) | %EL | %RA | E (GPa) | σe,107 (MPa) | σe/UTS (%) |
---|---|---|---|---|---|---|---|---|
HSPT As-Sintered | UFG Lamellar | 1018 | 963 | 14.2 | 30.1 | 111 | 500* | 49 |
HSPT + GIF + HT | Bi-modal | 1101 | 1019 | 13.6 | 27.3 | 117 | 600 | 54 |
HSPT + GIF + HT | Globularized | 1002 | 931 | 21.4 | 45.0 | 118 | 575 | 57 |
Vacuum As-Sintered | Coarse Lamellar | 901 | 801 | 17.9 | 32.3 | 114 | 300 | 33 |
Vacuum + GIF | Coarse Lamellar | 940 | 840 | 16.5 | 32.1 | 116 | 300 | 32 |
ASTM B348 (min.) | — | 895 | 828 | 10.0 | 25.0 | — | — | — |