Connectivity and Rigidity in Borosilicate Glasses
Abstract
We present a structural analysis of glasses formed by mix of SiO2 and B2O3 glass formers with soda and lime modifiers (Na2O and CaO), which provide a good testing ground for Stochastic Agglomeration Theory. With local structural units properly identified, we can reproduce the one-parameter glass transition temperature Tg (z) curve for the family of (0.75-z) SiO2 + 0.15 Na2O + 0.10 CaO + z B2O3 glasses studied experimentally by Smedskjaer et al.
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