Impact properties of Ti-3Al-2.5V(Grade 9) Rod/Bar

Room temperature impact toughness of Ti-3Al-2.5V(Grade 9) Rods
Form d or δ/mm State Sampling direction αku/kJ·m-2
Rolling rods 20 annealing L 1245
Forged rods 17 annealing L 814

Mechanical properties of Ti-3Al-2.5V(Grade 9) Rod/Bar

Properties of Ti-3Al-2.5V(Grade 9) Rods
Form d or δ/mm State Sampling direction Room temperature
σb/MPa σp0.2/MPa δ50/% ψ5/% ψ/% αku/kJ·m-2
Rods 8~50 annealing L ≥620 ≥518 15 30 ≥500

Tensile Properties of Ti-3Al-2.5V(Grade 9) Rods
Form d or δ/mm State Sampling direction θ/℃ σb/MPa σp0.2/MPa σ8/MPa δ5/% ψ/%
Rods 10~25 annealing L 20 691 565 18 41

Room temperature notched tensile properties of Ti-3Al-2.5V(Grade 9) Rods
Form d or δ/mm Processing methods State Sampling direction θ/℃ Kt σbH/MPa σbH/σb
Rods  20 Hot rolled 750℃, 1h, air cooling L 20 2 998 1.53
3 1047 1.61
5 1041 1.6
12 Cold swaging 750℃, 1h, air cooling L 20 3 1069 1.58

Tensile properties of annealed Ti-3Al-2.5V(Grade 9) Rods specimens after thermal exposure at room temperature
Heat exposure conditions Rods d/mm
700℃, 30min, air cooling
20
θ/℃ t/h σb/MPa σp0.2/MPa δ5/% ψ/%
Not exposed 652 604 20.7 59.7
400 500 658 612 23 60.8
1000 646 634 21 58.3
1500 652 629 20 58.2
2000
470 400 652 628 22.5 59.8

Fatigue properties of Ti-3Al-2.5V(Grade 9) Rods

Rotating bending fatigue limit of Ti-3Al-2.5V(Grade 9) Rods at room temperature
Form d or δ/mm State Sampling direction σb/MPa σp0.2/MPa Kt R N/circle σD/MPa
Rods 17 750℃, 1h, air cooling L 691 584 1 -1 107 343
3 -1 107 176

Elastic properties of Ti-3Al-2.5V(Grade 9) Rods

Shear modulus
The room temperature shear elastic modulus of annealed rod G=39.6GPa