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Preparation and characterisation of fluorapatite whiskers
Author(s) -
Surendran R.,
Chinnakali K.
Publication year - 2008
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.200711046
Subject(s) - fluorapatite , whiskers , scanning electron microscope , raman spectroscopy , thermal analysis , materials science , powder diffraction , chemical engineering , salt (chemistry) , whisker , molten salt , fourier transform infrared spectroscopy , differential thermal analysis , potassium , mineralogy , apatite , diffraction , chemistry , crystallography , thermal , composite material , metallurgy , optics , physics , meteorology , engineering
Fluorapatite (FAp) whiskers were prepared by using Molten Salt Synthesis (MSS) technique. β‐tricalcium phosphate (TCP) and various fluorine salts, along with potassium sulphate as a flux salt were used as starting materials for preparing FAp whiskers. Effects of flux to powder weight ratio, temperature and soaking time on the morphology were studied. The optimum temperature to obtain FAp whiskers was found to be 1175°C. The phase purity of the prepared FAp whiskers were confirmed by powder X‐ray diffraction and FTIR spectra, and the whiskers were further characterized by laser Raman spectra, chemical analysis and DTA/TGA thermal analysis. The morphology of the FAp whiskers were investigated by scanning electron microscope (SEM) analysis. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)