Phase and Chemical Transformations Kinetics in the Synthesis of a BaO-B2O3-Bi2O3 – (Y1-xErx)3Al5O12 Functional Glass-Ceramics

The kinetics chemical and phase transformations in the interaction of the glass-forming system BaO-B
2
O
3
-Bi
2
O
3
with (Y
1-x
Er
x
)
3
Al
5
O
12
in the glass-ceramics formation process were studied by DSC. The samples were characterized by powder x-ray diffraction and scanning electron microscope methods. The presence of devitrification according to DSC data proves that the samples synthesized in the temperature range 800-1300°C are glass-ceramic materials.