Effect of B_2O_3/SiO_2 Ratio on Transparency of Anorthite Based Glass-Ceramic Glazes

• Authors: A. Tunali , N. Selli
• Languages of publication: EN

Abstracts

EN

The present study was undertaken to determine the influence of B_2O_3/SiO_2 ratio on devitrification behaviour, anorthite crystal size and transparency of glass-ceramic glazes. Measurement by X-ray diffraction combined with scanning electron microscopy and energy dispersive X-ray spectroscopy microanalysis show that needle-like crystals of anorthite are formed. Sinterization and devitrification behaviour of system and viscosity change with temperature were analyzed by combining the datas that belong to differential thermal analysis and heating microscope analysis. Crystal size of anorthite was changed by modifying B_2O_3/SiO_2 ratio. It is confirmed that additional B_2O_3 prevents immediate phase separation during heat treatment in anorthite based glass-ceramic glazes.

Keywords

EN

81.05.Mh  

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2014
• Volume: 125
• Issue: 2
• Pages: 511-512

Dates

published

2014-02

References

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Identifiers

DOI

10.12693/APhysPolA.125.511