Ion exchange has the potential to improve the mechanical properties of glass ceramics. In this work, ZrO₂ nanocrystals embedded transparent glass ceramics were prepared and effect of the crystallization on ion-exchange properties was investigated. The crystallization of ZrO₂ did not affect the transmittance and Vickers hardness due to the small nanocrystal size and the low crystallinity, but significantly enhanced the ion exchange depth of layer (DOL). X-ray diffraction, high resolution transmission electron microscope, Raman spectra and nuclear magnetic resonance analysis demonstrated that with the crystallization of ZrO₂, the charge compensator (Na⁺) was released, which promoted the transformation of highly coordinated Al into [AlO₄]⁻ tetrahedral units and the formation of Na⁺ balanced non-bridging oxygens. These changes in structure of glass made the Na⁺ more mobile and increased the DOL upon the crystallization. Results reported here may be useful for the development of glass-ceramic materials suitable for chemical strengthening.

离子交换具有改善玻璃陶瓷机械性能的潜力。在这项工作中，制备了ZrO ₂纳米晶体嵌入的透明玻璃陶瓷，并研究了结晶对离子交换性能的影响。ZrO ₂的结晶由于纳米晶尺寸小和结晶度低而不会影响透射率和维氏硬度，但会显着提高层的离子交换深度（DOL）。X射线衍射，高分辨率透射电子显微镜，拉曼光谱和核磁共振分析表明，随着ZrO ₂的结晶，释放出电荷补偿剂（Na ⁺），促进了高度配位的Al向[AlO]的转变。₄ ] ^-四面体单元和Na ⁺平衡的非桥连氧的形成。玻璃结构的这些变化使Na ⁺更具流动性，并在结晶时增加了DOL。此处报道的结果可能对开发适用于化学强化的玻璃陶瓷材料有用。