EFFECT OF THERMAL TREATMENT ON THE COLOUR DEVELOPMENT OF A CADMIUM-SELENIDE DOPED RUBY GLASS AND ITS APPLICATION IN ARTISTIC GLASS WORK
DOI:
https://doi.org/10.5281/zenodo.21605367Özet
This study investigates the effect of heat treatment
temperature and holding time on the optical and
structural behavior of a commercial ruby red crystal
glass intended for artistic applications. The
investigated glass has the following composition: 67%
SiO2_22, 12% Na2_22O, 1% CaO, 1% MgO, 1%
Al2_22O3_33, 9% K2_22O, 1% BaO, 3%
B2_22O3_33, and 5% ZnO, with CdO + Se used as
the coloring metal oxide system. Samples were
subjected to heat treatments at 750°C, 800°C, and
850°C with holding times of 0, 15, and 30 minutes.
The resulting changes in color, transparency, and
opacity were examined through X-ray diffraction
(XRD), energy-dispersive X-ray spectroscopy (EDX),
thermogravimetric analysis (TGA), and differential
thermal analysis (DTA). The results show that
increasing temperature and holding time caused a
gradual transition from transparent red to translucent
and finally opaque red appearances. The DTA curve
indicated a thermal transition near 780°C, which
corresponded to the onset of optical change. XRD
analysis revealed no major crystalline phase
transformation, whereas EDX suggested
compositional changes associated with thermal
exposure. The findings indicate that controlled heat
treatment can be used to obtain a range of optical
effects in ruby red glass for artistic glass production
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Telif Hakkı (c) 2026 International Journal of Art, Fashion, Music and Design
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