Journal of Thermal Analysis and Calorimetry

, Volume 88, Issue 1, pp 237–243

Thermal stability and sintering behaviour of hydroxyapatite nanopowders

  • Alessandra Bianco
  • Ilaria Cacciotti
  • Mariangela Lombardi
  • Laura Montanaro
  • G. Gusmano
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DOI: 10.1007/s10973-006-8011-6

Cite this article as:
Bianco, A., Cacciotti, I., Lombardi, M. et al. J Therm Anal Calorim (2007) 88: 237. doi:10.1007/s10973-006-8011-6

Abstract

Hydroxyapatite (HA) nanopowders were synthesised following two different precipitation routes: (a) from calcium nitrate and diammonium hydrogen phosphate solutions and (b) from calcium hydroxide suspension and phosphoric acid solution. The influence of precipitation process, concentration, and synthesis temperature on HA particle size and morphology, phase composition, thermal stability, and sintering behaviour was investigated by means of: thermogravimetry and differential thermal analysis (TG-DTA), induced coupled plasma–atomic emission spectroscopy (ICP-AES), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), electron microscopy (TEM, SEM) and dilatometry.

Keywords

hydroxyapatitenanopowderssinteringthermal stability

Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • Alessandra Bianco
    • 1
  • Ilaria Cacciotti
    • 1
  • Mariangela Lombardi
    • 2
  • Laura Montanaro
    • 2
  • G. Gusmano
    • 1
  1. 1.Dept. of Chemical Sciences and Technologies, INSTM Research Unit Tor VergataUniversity of Rome Tor VergataRomaItaly
  2. 2.Dept. of Materials Science and Chemical Engineering, INSTM Research Unit Politecnico di Torino: LINCE LabPolitecnico of TorinoTorinoItaly