Effect of ZnO on the Thermal Properties of Tellurite Glass

Table 2

Nonlinear regression analysis of the variables (𝑌=𝛿𝑥²+𝛽𝑥+𝛼) for various properties of ZnO–TeO₂ glass.

Variables (𝑌)	𝛿	𝛽	𝛼	𝑅^2	% change
Density	−0.0003	0.033	4.830	0.954	10
Thermal expansion coefficient	0.0001	0.008	12.278	0.552	3.06
Transition temperature	−0.0068	−0.375	385.59	0.961	−6.41
Acoustic Debye temperature	−0.0006	−0.275	262.76	0.910	−4.56
Softening temperature	−0.1037	−0.609	861.08	0.978	−19.02