Abstract
To study the superplastic behavior and mechanical properties below recrystallization temperature, titanium alloy with different Nb content were stretched at 650 ℃. The results show that Ti-9Nb titanium alloy shows the best tensile strength (307.2 MPa) and superplasticity (106%). The thermal effect in the process of high temperature drawing leads to the precipitation of α phase. Due to the modification of Nb element, its content decreased gradually. Therefore, the tensile strength and plasticity first increase and then decrease. The superplastic mechanism of Ti-9Nb alloy is mainly caused by dislocation motion.
| Original language | English |
|---|---|
| Pages | 216-217 |
| Number of pages | 2 |
| State | Published - 2024 |
| Event | 75th World Foundry Congress, WFC 2024 - Deyang, China Duration: 25 Oct 2024 → 30 Oct 2024 |
Conference
| Conference | 75th World Foundry Congress, WFC 2024 |
|---|---|
| Country/Territory | China |
| City | Deyang |
| Period | 25/10/24 → 30/10/24 |
Keywords
- Mechanical properties
- Niobium element
- Superplastic
- Titanium alloy
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