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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Effect of replacement of Al2O3 by Y2O3 on the structure and properties of alkali-free boro-aluminosilicate glass
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Effect of replacement of Al2O3 by Y2O3 on the structure and properties of alkali-free boro-aluminosilicate glass

机译：Y2O3替代Al2O3对无碱硼铝硅酸盐玻璃结构及性能的影响

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摘要

Alkali-free boro-aluminosilicate glasses were prepared by the melt quenching method. The effect of Al2O3 replaced by different contents of Y2O3 on the structure and various properties of alkali-free boro-aluminosilicate glasses was studied. The changes of glass structure with varying components were investigated by the Fourier transform infrared spectra. Simultaneously, the relationship between the glass structure and the coefficient of thermal expansion, density, vickers hardness, bending strength, glass transmittance and chemical stability was discussed. The results show that the coefficient of thermal expansion and the density of glass increase with the increase of Y2O3 content. While, the chemical stability of the glass is reduced. The vickers hardness and bending strength decrease first and then increase with the Y2O3 content increasing. All the glasses have excellent optical transmittance, reaching more than 85%.
机译：通过熔体淬火方法制备无碱硼铝硅酸盐玻璃。 研究了Al 2 O 3对Y2O3的不同含量对碱性硼铝硅酸盐玻璃的结构和各种性质的影响。 傅里叶变换红外光谱研究了具有变化组件的玻璃结构的变化。 同时，讨论了玻璃结构与热膨胀系数，密度，维氏硬度，弯曲强度，玻璃透射率和化学稳定性之间的关系。 结果表明，随着Y2O3含量的增加，热膨胀系数和玻璃密度增加。 虽然，玻璃的化学稳定性降低。 维氏硬度和弯曲强度首先降低，然后随着Y2O3含量的增加而增加。 所有眼镜都具有出色的光学透射率，达到85％以上。

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