Effect of Li2O on phase transition and properties of BAS (BaO-AlO-SiO system) glass-ceramics

Jueming Yang, Litong Zhang, Wancheng Zhou

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

For the transforming hexacelsian into celsian during crystallization of BAS gel glasses, the optimum is reached by preparing BAS glass-ceramic containing 1 wt% of Li2O: such BAS glass-ceramic possesses the following good properties: room temperature flexural strength 139MPa, 1200°C flexural strength is 148 MPa and linear expansion coefficient 4.9×10-6/°C. The selection of 1 wt% of Li2O as optimum is based on the consideration that, while keeping the above three properties satisfactory, it can transform as much hexacelsian into celsian as possible.

Original languageEnglish
Pages (from-to)194-198
Number of pages5
JournalXibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University
Volume14
Issue number2
StatePublished - May 1996

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