TiAl3-TiN Composite Nanoparticles Produced by Hydrogen Plasma-Metal Reaction: Synthesis, Passivation, and Characterization
Abstract
:1. Introduction
2. Experiment Procedure
2.1. Synthesis of Nanoparticles
2.2. Characterization
3. Results and Discussion
4. Conclusions
- (1)
- The nanopowders are mainly composed of TiAl3 and TiN phases with an average diameter of ~42 nm. TiAl3 nanoparticles are nearly spherical with a mass fraction of ~49.1%, and TiN nanoparticles are tetragonal with a mass fraction of ~24.3%.
- (2)
- Passivation of the nanopowders led to the formation of protective amorphous Al2O3 shells on the particle surface, with a mean thickness of ~5.0 nm and a mass fraction of ~23.5%, as well as TiO2 with a mass fraction of ~3.2%.
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Element | O | Al | Ti |
---|---|---|---|
Content (at. %) | 60.9% | 38.4% | 1.7% |
WN | WTi | WAl | WO | ||
---|---|---|---|---|---|
WOA | WO/Al2O3 | WO/TiO2 | |||
5.5% | 39.0% | 41.8% | 0.18% | 12.22% | 1.3% |
WTiN | WTiAl3 | WAl2O3 | WTiO2 |
---|---|---|---|
24.3% | 49.1% | 23.5% | 3.2% |
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Li, J.Y.; Mei, Q.S. TiAl3-TiN Composite Nanoparticles Produced by Hydrogen Plasma-Metal Reaction: Synthesis, Passivation, and Characterization. Nanomaterials 2016, 6, 101. https://doi.org/10.3390/nano6060101
Li JY, Mei QS. TiAl3-TiN Composite Nanoparticles Produced by Hydrogen Plasma-Metal Reaction: Synthesis, Passivation, and Characterization. Nanomaterials. 2016; 6(6):101. https://doi.org/10.3390/nano6060101
Chicago/Turabian StyleLi, Ju Ying, and Qing Song Mei. 2016. "TiAl3-TiN Composite Nanoparticles Produced by Hydrogen Plasma-Metal Reaction: Synthesis, Passivation, and Characterization" Nanomaterials 6, no. 6: 101. https://doi.org/10.3390/nano6060101