Dependence of Macro- and Micro-Properties on α Plates in Ti-6Al-2Zr-1Mo-1V Alloy with Tri-Modal Microstructure
Abstract
:1. Introduction
2. Materials and Methods
3. Results and Discussion
3.1. Microstructural Investigation
3.2. Microscopic Properties
3.3. Macroscopic Properties
3.4. Effect of Microstructure on Macroscopic Properties
4. Conclusions
Author Contributions
Acknowledgments
Conflicts of Interest
References
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Sample No. | First Step Heat Treatment | Second Step Heat Treatment |
---|---|---|
S1 | 965 °C/20 min/AC 1 | 955 °C/20 min/WQ 2 |
S2 | 940 °C/20 min/WQ | |
S3 | 925 °C/20 min/WQ | |
S4 | - |
Samples | Parameters of αp | Parameters of αs | Parameters of αt | ||||
---|---|---|---|---|---|---|---|
VF 1 (%) | Size (μm) | Aspect Ratio | VF (%) | Thickness (μm) | VF (%) | Thickness (μm) | |
S1 | 19.24 ± 1.24 | 11.55 ± 1.12 | 1.26 ± 0.13 | 5.12 ± 0.42 | 1.36 ± 0.16 | 54.28 ± 6.07 | 0.41 ± 0.08 |
S2 | 23.54 ± 1.19 | 12.32 ± 0.95 | 1.28 ± 0.09 | 25.46 ± 1.56 | 1.10 ± 0.09 | 26.83 ± 1.78 | 0.39 ± 0.09 |
S3 | 21.75 ± 1.81 | 12.56 ± 0.88 | 1.21 ± 0.11 | 47.17 ± 3.89 | 0.88 ± 0.11 | 6.24 ± 0.49 | 0.38 ± 0.07 |
S4 | 16.22 ± 0.86 | 11.19 ± 1.24 | 1.18 ± 0.08 | 58.72 ± 5.62 | 0.59 ± 0.07 | - | - |
Sample Number | UTS (MPa) | Elongation (%) |
---|---|---|
S1 | 1080 ± 32 | 13.1 ± 1.48 |
S2 | 1025 ± 23 | 17.1 ± 1.44 |
S3 | 995 ± 27 | 15.9 ± 1.52 |
S4 | 1055 ± 31 | 14.2 ± 1.33 |
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Ji, Z.; Shen, C.; Wei, F.; Li, H. Dependence of Macro- and Micro-Properties on α Plates in Ti-6Al-2Zr-1Mo-1V Alloy with Tri-Modal Microstructure. Metals 2018, 8, 299. https://doi.org/10.3390/met8050299
Ji Z, Shen C, Wei F, Li H. Dependence of Macro- and Micro-Properties on α Plates in Ti-6Al-2Zr-1Mo-1V Alloy with Tri-Modal Microstructure. Metals. 2018; 8(5):299. https://doi.org/10.3390/met8050299
Chicago/Turabian StyleJi, Zhe, Chengjin Shen, Fuxiang Wei, and Hongwei Li. 2018. "Dependence of Macro- and Micro-Properties on α Plates in Ti-6Al-2Zr-1Mo-1V Alloy with Tri-Modal Microstructure" Metals 8, no. 5: 299. https://doi.org/10.3390/met8050299