Influence of the Composition and Ratio of the Separated Phases on Stresses Arising During Leaching of Two-Phase Sodium Borosilicate Glasses
It is known that certain glasses in the system Na2O-B2O3-SiO2 separate into two phases during heat treatment: a low-melting phase (L), containing mainly Na2O and B2O3, and a high-melting phase (H), with a high silica content. The low-melting component of these glasses is removed by treatment with acids, while the remaining high-silica skeleton forms a glass penetrated by minute pores [1, 2].
KeywordsPorous Layer Porous Glass Phase Ratio Rotary Ring Separate Phase
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