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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 >Hardness and refractive index of Ca-Si-O-N glasses
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Hardness and refractive index of Ca-Si-O-N glasses

机译：Ca-Si-O-N玻璃的硬度和折射率

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摘要

Vickers hardness and refractive index was determined for Ca-Si-O-N glasses with 14.6-58 e/o N and 19_42 e/o Ca. By applying slow cooling rates, transparent glasses were obtained for compositions near Ca_(9.94)Si_(10)O_(17.73)N_(8.14), while the majority of the glasses were opaque due to small inclusions of elemental Si and/or Ca-silicide. Determined glass densities varied between 2.80 and 3.25 g/cm~3. Hardness was found to vary from 7.3 to 10.1 GPa at a load of 500 g and, respectively increase and decrease linearly with N and Ca content. The refractive index was found to increase linearly with N content from 1.62 to 1.95 and showed no significant dependence on Ca content.
机译：测定具有14.6-58 e / o N和19_42 e / o Ca的Ca-Si-O-N玻璃的维氏硬度和折射率。通过施加缓慢的冷却速率，获得了Ca_（9.94）Si_（10）O_（17.73）N_（8.14）附近的成分的透明玻璃，而大多数玻璃是不透明的，这是由于少量的元素Si和/或Ca-硅化物。测定的玻璃密度在2.80至3.25g / cm〜3之间变化。发现在500 g的载荷下，硬度在7.3 GPa至10.1 GPa之间变化，并且分别随N和Ca含量线性增加和减少。发现折射率随N含量从1.62到1.95线性增加，并且对Ca含量没有显着依赖性。

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