Open AccessInvestigation of Crystallization and Microstructure of Na<sub>2</sub>O-CaO-P<sub>2</sub>O<sub>5</sub>-SiO<sub>2</sub>-Al<sub>2</sub>O<sub>3</sub> Bio Glass Ceramic System
Author(s) -
Bahman Mirhadia,
Behzad Mehdikhanib
Publication year - 2012
Publication title -
new journal of glass and ceramics
Language(s) - English
Resource type - Journals
eISSN - 2161-7562
pISSN - 2161-7554
DOI - 10.4236/njgc.2012.21001
Subject(s) - differential thermal analysis , crystallization , scanning electron microscope , microstructure , materials science , sintering , mineralogy , analytical chemistry (journal) , ceramic , phase (matter) , diffraction , nuclear chemistry , chemical engineering , composite material , chemistry , optics , physics , chromatography , organic chemistry , engineering
The effects of Al2O3 on the crystallization behavior of glass compositions in the Na2O-CaO-P2O5-SiO2 system were investigated by differential thermal analysis (DTA), X-ray diffraction (XRD) and scanning electron microscopy (SEM). In this system, thermal parameters of glasses were studied by DTA. The density of the glass ceramic samples was measured by Archimedes’ method. It was found that the glass-ceramic containing 2.0 molar percent Al2O3 had desirable sintering behavior and reached to an acceptable density. Phase investigation and micro structural study were performed by XRD and SEM, respectively