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Production of TiO2 coated alpha-Al2O3 platelets by flame spray pyrolysis and their characterization

Kaya, Guray; Gunhan, Busra; Ozer, I. Ozgur; Poyraz, H. Bogac


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{
  "DOI": "10.1016/j.ceramint.2020.07.022", 
  "abstract": "In this study, the applicability of the flame spray pyrolysis (FSP) method in the production of alpha-Al2O3 based TiO2 coatings was investigated. Plate-like alpha-Al2O3 particles, with a particle size of 8-30 mu m, were dispersed in a solution of titanium tetraisopropoxide-xylene, a low solids suspension was prepared, and then a TiO2 coating was obtained on alpha-Al2O3 platelets by feeding the precursor suspension into a pre-mixed methane/oxygen flame in a FSP reactor. Obtained coatings were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy dispersive X-ray spectroscopy (EDX) methods. While the presence of heterogeneous nucleated TiO2 coating on alpha-Al2O3 platelet surfaces was revealed by the characterization process performed, it was also observed that homogeneously nucleated TiO2 nanoparticles were obtained during the process.", 
  "author": [
    {
      "family": "Kaya", 
      "given": " Guray"
    }, 
    {
      "family": "Gunhan", 
      "given": " Busra"
    }, 
    {
      "family": "Ozer", 
      "given": " I. Ozgur"
    }, 
    {
      "family": "Poyraz", 
      "given": " H. Bogac"
    }
  ], 
  "container_title": "CERAMICS INTERNATIONAL", 
  "id": "10085", 
  "issue": "16", 
  "issued": {
    "date-parts": [
      [
        2020, 
        1, 
        1
      ]
    ]
  }, 
  "page": "25512-25519", 
  "title": "Production of TiO2 coated alpha-Al2O3 platelets by flame spray pyrolysis and their characterization", 
  "type": "article-journal", 
  "volume": "46"
}
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