Microstructure Evolution and Mechanical Properties of Spark Plasma Sintered Manganese Addition on Ti-48Al-2Cr-2Nb Alloys
Abstract
:1. Introduction
2. Materials and Methods
3. Results and Discussions
3.1. Densification
3.2. Phase Analysis
3.3. Microstructure Characterization
3.4. Mechanical Properties
3.5. Fractography
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Powder | Ti-48Al-2Cr-2Nb | Mn |
---|---|---|
Particle size (µm) | 60 ± 6.1 | 30 ± 5.42 |
Purity (%) | ~99.9 | ~99.9 |
Density (g/cm3) | 3.9 | 7.3 |
Composition | Theoretical Density (g/cm3) | Actual Density (g/cm3) | Relative Sintered Density (%) |
---|---|---|---|
Ti-48Al-2Cr-2Nb | 3.9 | 3.43 ± 0.04 | 87.86 ± 0.42 |
Ti-48Al-2Cr-2Nb + 2.5% Mn | 3.95 | 3.91 ± 0.02 | 99.15 ± 0.15 |
Ti-48Al-2Cr-2Nb + 5% Mn | 3.99 | 3.96 ± 0.02 | 99.22 ± 0.18 |
Ti-48Al-2Cr-2Nb + 7.5% Mn | 4.04 | 4.04 ± 0.01 | 99.99 ± 0.03 |
Composition | Yield Strength (MPa) | UTS (MPa) | Elongation (%) | Vickers Hardness (0.5 kgf) |
---|---|---|---|---|
Ti-48Al-2Cr-2Nb | 325 ± 6 | 516 ± 12 | 1.23 ± 0.2 | 303.54 ± 14 |
Ti-48Al-2Cr-2Nb + 2.5% Mn | 345 ± 4 | 819 ± 23 | 1.7 ± 0.2 | 353.19 ± 12 |
Ti-48Al-2Cr-2Nb + 5% Mn | 482 ± 9 | 690 ± 18 | 1.9 ± 0.1 | 354.49 ± 08 |
Ti-48Al-2Cr-2Nb + 7.5% Mn | 536 ± 12 | 570 ± 23 | 2.1 ± 0.1 | 368.33 ± 15 |
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Annamalai, A.R.; Srikanth, M.; Varshney, R.; Ashokkumar, M.Y.; Patro, S.K.; Jen, C.-P. Microstructure Evolution and Mechanical Properties of Spark Plasma Sintered Manganese Addition on Ti-48Al-2Cr-2Nb Alloys. Metals 2020, 10, 1577. https://doi.org/10.3390/met10121577
Annamalai AR, Srikanth M, Varshney R, Ashokkumar MY, Patro SK, Jen C-P. Microstructure Evolution and Mechanical Properties of Spark Plasma Sintered Manganese Addition on Ti-48Al-2Cr-2Nb Alloys. Metals. 2020; 10(12):1577. https://doi.org/10.3390/met10121577
Chicago/Turabian StyleAnnamalai, A. Raja, Muthe Srikanth, Raunak Varshney, Mehta Yash Ashokkumar, Swarup Kumar Patro, and Chun-Ping Jen. 2020. "Microstructure Evolution and Mechanical Properties of Spark Plasma Sintered Manganese Addition on Ti-48Al-2Cr-2Nb Alloys" Metals 10, no. 12: 1577. https://doi.org/10.3390/met10121577