The Effect of Initial Annealing Microstructures on the Forming Characteristics of Ti–4Al–2V Titanium Alloy
Abstract
:1. Introduction
2. Material and Experimental Procedures
2.1. Materials
2.2. Experimental Procedures
3. Results and Discussion
3.1. Different Microstructures
3.2. The Room Temperature Mechanical Properties
3.2.1. Mechanical Properties
3.2.2. Fractograph Analysis
3.3. The Hot-Mechanical Properties of Different Microstructures
3.4. The Superplasticity of TA17
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Al | V | Fe | Si | O | N | H | C | Ti |
---|---|---|---|---|---|---|---|---|
4.3 | 2.1 | 0.25 | 0.15 | 0.15 | 0.05 | 0.015 | 0.08 | Bal |
Annealing No. | Annealing Processes |
---|---|
S1 | as received |
S2 | 800 °C/2 h/AC (air cooling) |
S3 | 850 °C/2 h/AC |
S4 | 900 °C/2 h/AC |
S5 | 950 °C/2 h/AC |
S6 | (950 °C/2 h/AC) + (600 °C/2 h/AC) |
Annealing No. | Yield Strength (MPa) | Peak Strength (MPa) | Elongation (%) |
---|---|---|---|
S1 | 745.3 | 821.3 | 16.7 |
S2 | 734.1 | 824.2 | 18.7 |
S3 | 814.8 | 911.8 | 20.8 |
S4 | 739.2 | 822.9 | 15.9 |
S5 | 812.5 | 886.7 | 10.5 |
S6 | 793.7 | 854.6 | 11.9 |
Annealing No. | Yield Strength (MPa) | Peak Strength (MPa) | Elongation (%) |
---|---|---|---|
S1 | 59.1 | 63.9 | 90.5 |
S2 | 68.4 | 72.5 | 94.8 |
S3 | 60.5 | 65.8 | 127.3 |
S4 | 72.1 | 76.0 | 73.1 |
S5 | 103.3 | 107.1 | 52.0 |
S6 | 72.6 | 77.5 | 48 |
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Yan, B.; Li, H.; Zhang, J.; Kong, N. The Effect of Initial Annealing Microstructures on the Forming Characteristics of Ti–4Al–2V Titanium Alloy. Metals 2019, 9, 576. https://doi.org/10.3390/met9050576
Yan B, Li H, Zhang J, Kong N. The Effect of Initial Annealing Microstructures on the Forming Characteristics of Ti–4Al–2V Titanium Alloy. Metals. 2019; 9(5):576. https://doi.org/10.3390/met9050576
Chicago/Turabian StyleYan, Bin, Hongbo Li, Jie Zhang, and Ning Kong. 2019. "The Effect of Initial Annealing Microstructures on the Forming Characteristics of Ti–4Al–2V Titanium Alloy" Metals 9, no. 5: 576. https://doi.org/10.3390/met9050576