Synthesis and characterization of hydroxyapatite-wollastonite composite powders by sol-gel processin

Martín A. Encinas-romero, Salvador Aguayo-Salinas, Santos J. Castillo, Felipe F. Castillón-Barraza, Víctor M. Castaño

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

28 Citas (Scopus)

Resumen

Composites of hydroxyapatite-wollastonite were synthesized by a sol-gel route using calcium acetate and triethyl phosphate as precursors of hydroxyapatite and high-purity natural wollastonite added in ratios of 20, 50, and 80wt%. These composites were characterized by thermal analysis, X-ray diffraction, FT-IR and Raman spectroscopy, and scanning and transmission electron microscopic techniques. Formation of hydroxyapatite occurs at a relatively low temperature, about 420°C, accompanied by calcium carbonate; wollastonite remains unreacted. The composites were purified by heat treatment to a higher temperature and washed with hydrochloric acid and distilled water, to produce B-type carbonated hydroxyapatite-wollastonite composites as final products. © 2008 American Ceramic Society.
Idioma originalInglés estadounidense
Páginas (desde-hasta)401-411
Número de páginas11
PublicaciónInternational Journal of Applied Ceramic Technology
DOI
EstadoPublicada - 1 jul 2008

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