Abstract

MgO–Al2O3–SiO2 (MAS) glass and transparent glass ceramics codoping P2O5/ZrO2/TiO2 are synthesized using conventional melt-quenching technique. Herein, the crystallization behavior of MAS parent glass, glass stability, phase composition, structure, and light transmittance characteristics of the glass ceramics are discussed. Results showed that P2O5 improved the stability of the basic glass and the obtained transparent glass ceramics crystallized via volume nucleation and one- or two-dimensional growth. In the prepared glass ceramics, α-cordierite was the predominant crystalline phase. Additionally, nanocrystals were observed in the glass ceramics. The major elements in the glass and crystalline phases were uniformly distributed based on the element distribution maps obtained via energy-dispersive X-ray spectroscopy. The resulting glass ceramics had a transmittance of >80%, indicating the feasibility of synthesizing transparent cordierite glass ceramics.

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