Abstract
The passivation, oxidation and combustion of tungsten nanopowders (NP) (as ∼ 100 nm), produced by an electrical explosion of wires (WEE) method, has been studied in air medium. The phase transformation for W nanopowders under air-oxidation was investigated. The oxidation process and an analysis of passivated powders were studied by FESEM, EDS, XPS, XRD, TEM, DTA-TGA and size distribution analysis was also observed by a video camera. After the comprehensive testing of passivated, oxidized and burned powders, a chemical process of oxidation of W nanoparticles was suggested.
| Original language | English |
|---|---|
| Pages (from-to) | 235-241 |
| Number of pages | 7 |
| Journal | International Journal of Refractory Metals and Hard Materials |
| Volume | 22 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 1 Nov 2004 |
Keywords
- Combustion and coatings
- Oxidation
- Passivation
- Tungsten nanopowder
ASJC Scopus subject areas
- Metals and Alloys
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Kwon, Y. S., Gromov, A. A., Ilyin, A. P., Ditts, A. A., Kim, J. S., Park, S. H., & Hong, M. H. (2004). Features of passivation, oxidation and combustion of tungsten nanopowders by air. International Journal of Refractory Metals and Hard Materials, 22(6), 235-241. https://doi.org/10.1016/j.ijrmhm.2004.06.005