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Nanostructured alumina particles synthesized by the Spray Pyrolysis method: microstructural and morphological analyses

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2010
Authors
Martín, M. I.
Gómez, Luz Stella
Milošević, Olivera
Rabanal, Maria Eugenia
Article (Published version)
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Abstract
Ultrafine particles or nanoparticles (ranging from a few nanometers to 100 nm) are of considerable interest for a wide variety of applications, ranking from catalyst to luminescence ceramics, due to their unique and improved properties primarily determined by size, composition and structure. This study presents the preparation and characterization of nanostructured spherical alumina particles by the Spray Pyrolysis method for the application in reinforcements of metal-matrix composites (MMCs). Synthesis procedure includes aerosol formation ultrasonically from alumina nitrate water solution and its decomposition into a tubular flow reactor at 700 °C. The obtained particles are spherical, smooth, amorphous and in non-agglomerated state. Microstructural and morphological analyses were carried out using X-ray diffraction (XRD), scanning electron microscopy (SEM/EDS) and analytical and high resolution transmission electron microscopy (TEM/HRTEM). Crown Copyright © 2009.
Keywords:
alumina / isothermal treatment / nanoparticles / spray pyrolysis
Source:
Ceramics International, 2010, 36, 2, 767-772
Publisher:
  • Elsevier
Projects:
  • Ministry for Education and Science of Spain, Juan de la Cierva Program JCI-2005-1892-13
  • Ministry for Education and Science of Spain, MAT2006-02458
  • Ministry for Education and Science of Spain, Grant SAB 2004-0035
  • Synthesis, characterization and activity of organic and coordination composition and their application in (bio) nanotechnology (RS-142010)

DOI: 10.1016/j.ceramint.2009.10.013

ISSN: 0272-8842

WoS: 000273935100044

Scopus: 2-s2.0-71949104582
[ Google Scholar ]
25
20
URI
http://dais.sanu.ac.rs/123456789/3430
Collections
  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Institution
Институт техничких наука САНУ / Institute of Technical Sciences SASA

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