Characterization and Crystallization Kinetics of a Diopside-Based Glass-Ceramic Developed from Glass Industry Raw Materials

M. L. Öveçoǧlu*, B. Kuban, H. Özer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

59 Citations (Scopus)

Abstract

Glass industry raw materials blended with 10 wt% technical grade TiO2 powders were used to develop a glass-ceramic of the SiO2-MgO-Al2O3-CaO-(Na2O,K 2O) system. On the basis of the DTA analysis, nucleation and crystallization experiments were carried out at 735 and 870°C, respectively. X-ray diffraction studies performed on the glass-ceramic system revealed the presence of the diopside as the major crystallizing phase comprising about 74 vol%. SEM investigations showed that the diopside crystals were formed as a result of surface nucleation and were conical in shape, between 15 and 40 μm in length and between 5 and 13 μm in width. DTA analyses were conducted at different heating rates and an activation energy for surface crystallization value of 150 kJ/mole was determined graphically from a Kissinger-type plot using the analysis of Matusita and Sakka. This value is about half of that for the same glass composition without the TiO2 content.

Original languageEnglish
Pages (from-to)957-962
Number of pages6
JournalJournal of the European Ceramic Society
Volume17
Issue number7
DOIs
Publication statusPublished - 1997

Fingerprint

Dive into the research topics of 'Characterization and Crystallization Kinetics of a Diopside-Based Glass-Ceramic Developed from Glass Industry Raw Materials'. Together they form a unique fingerprint.

Cite this