Creep properties of CB752 (Nb-10W-2.5Zr) sheets
Alloy | Minimum creep rate, mm/mm/h | Creep start time of the third stage, hours |
Nb-10W-2.5Zr | 0.015 | 2.8 |
Note: The temperature is 1316℃ and the stress is 6300kg/mm2
Notched tensile properties of CB752 (Nb-10W-2.5Zr)
CB752 (Nb-10W-2.5Zr) recrystallized sheet has no notch sensitivity. The ratio of tensile strength of notched and unnotched specimens is slightly greater than 1.
Notched Tensile Strength of Recrystallized CB752 Sheet (Kt=7.5) | ||||
Alloy | 1 hour recrystallization temperature,℃ |
Test temperature, ℃ |
Tensile strength kg/mm2 |
Notched to Unnotched Tensile Strength Ratio |
Nb-10W-2.5Zr | 1370 | 24 | 61.4 | 1.05 |
1300 | — |