Effect of Composition on the Tendency of Forming BAS (Barium Aluminosilicate) Sintered Glass by Sol-Gel Process

Abstract

Abstract: The effect of composition on the tendency of forming BAS (barium aluminosilicate) sintered glass with compositions near the theoretical composition of
barium feldspar by sol-gel process was studied by XRD, SEM and Raman spectrum. Results indicated that, in the experimental range, larger SiO₂ content and larger
BaO/Al₂O₃ ratio were advantageous to glass formation. Increasing BaO/Al₂O₃ ratio causes an increase in the amount of alumina with [AlO₄] structure. The
relationship between [AlO₄]/Al³⁺ and BaO/Al₂O₃ can be expressed as a linear equation. A criterion for glass formation in the studied system was established. The
criteron showed good fitness with the experimental results.

Key words: sintered glass, barium aluminosilicate, sol-gel process, criteron

CLC Number:

TQ171

YANG Jue-Ming,ZHOU Wan-Cheng,BAO Xiao-Ping,CHEN Ping. Effect of Composition on the Tendency of Forming BAS (Barium Aluminosilicate) Sintered Glass by Sol-Gel Process[J]. Journal of Inorganic Materials.

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Effect of Composition on the Tendency of Forming BAS (Barium Aluminosilicate) Sintered Glass by Sol-Gel Process

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