Influence of BaO addition on the phase formation characteristics in Li2O-Al2O3-ZnO-SiO2-TiO2- ZrO2 glass

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The effect of BaO addition on the crystallization of Li2O-Al2O3-ZnO-SiO2-TiO2- ZrO2 (LAZSTZ) glass was investigated and discussed. The crystallization temperature of BaO-added LAZSTZ precursor glass (LBAZSTZ) was decreased due to the increase in the number of broken ionic bonds, while the transparency of the glass-ceramic was maintained. The lowered activation energy for crystallization in LBAZSTZ glass strongly supports the increase in the number broken bonds. During heating LBAZSTZ glass, phase separation did not occur most probably due to the competition between metal cations having a certain degree of ionic field strength. The formation of β-spodumene as a major phase in LBAZSTZ glass-ceramic was identified using x-ray diffraction.

Original languageEnglish
Pages (from-to)517-520
Number of pages4
JournalJournal of Materials Research
Volume17
Issue number3
Publication statusPublished - 2002 Mar 1
Externally publishedYes

Fingerprint

Crystallization
Glass
glass
Glass ceramics
crystallization
spodumene
Phase separation
ceramics
Transparency
Cations
Activation energy
Diffraction
Positive ions
Metals
Heating
X rays
TiO2-SiO2
field strength
x ray diffraction
activation energy

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Influence of BaO addition on the phase formation characteristics in Li2O-Al2O3-ZnO-SiO2-TiO2- ZrO2 glass. / Sung, Yun Mo.

In: Journal of Materials Research, Vol. 17, No. 3, 01.03.2002, p. 517-520.

Research output: Contribution to journalArticle

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