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Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.3/41687
- Title
- Plasma spray synthesis of nanomaterial powders and deposits
- Author(s)
- Karthikeyan, Jeganathan; Berndt, Christopher C.; Tikkanen, Juha; Reddy, Sri; Herman, Herbert
- Abstract
- Conventional plasma spraying was used to process atomized liquid droplets of precursor solutions to produce alumina, zirconia and yttria stabilized zirconia nanoparticles and deposits. An electrostatic precipitator collected the plasma synthesized ceramic particles at a rate of ~0.2 mg s-1, with ~5-20% collection efficiency. Spray processing produced 1-50 nm size ceramic particles. The size, shape and phase composition of the nanomaterials depend on the spray feedstock. Organo-metallic precursors gave rise to a narrow range of fine-grained material, while aqueous solutions produced wider distributions of larger size grains. Spray processing of liquid feedstock produced nanodeposits with a powdery morphology. Plasma spraying of liquid precursors is a viable technique to produce nanoparticles and deposits.
- Publication type
- Journal article
- Source
- Materials Science and Engineering A, Vol. 238, no. 2 (Nov 1997), pp. 275-286
- Publication year
- 1997
- Keyword(s)
- Alumina; Ceramic materials; Chemical synthesis; Electrostatic devices; Electrostatic precipitators; Grain size and shape; Morphology; Nanomaterial; Nanostructured materials; Particle size analysis; Phase composition; Plasma spray; Plasma spraying; Powders; Synthesis; Yttria; Yttrium compounds; Zirconia
- Publisher
- Elsevier
- ISSN
- 0921-5093
- Publisher URL
- http://dx.doi.org/10.1016/S0921-5093(96)10568-2
- Copyright
- Copyright © 1997 Elsevier Science S.A.
- Peer reviewed
