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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 >The effect of mixed La-Y doping on water resistance of phosphate glass
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The effect of mixed La-Y doping on water resistance of phosphate glass

机译：混合LA-Y掺杂对磷酸盐耐水性的影响

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摘要

In this work, the effect of mixed La-Y doping on the water resistance of xLa(2)O(3) -(16-x) Y2O3-8Al(2)O(3)-10Na(2)O-66P(2)O(5) (x = 0, 4, 8, 12, 16 mol%) glasses was studied. The glass structure, glass transition temperature (T-g), dc conductivity (sigma(dc)) and water resistance of glass were respectively characterized by Fourier transform infrared spectroscopy (FTIR), differential scanning calorimeter (DSC), electrochemical workstation and water resistance test. The results show that with the gradual replacement of Y2O3 by La2O3, the value of Q((2) )(Q(2) content as a percentage of the sum of Q(1) and Q(2) contents in glass structure) and water resistance characterized by mass loss per unit surface area indicate strong "mixed rare earth effect". It is obvious that the change of glass structure causes water resistance of glass to vary nonlinearly and exhibit a positive deviation from linearity. The results can provide some useful information for tailoring the chemical durability of glass by mixed rare earth doping.
机译：在这项工作中，混合LA-Y掺杂对XLA（2）O（3） - （16-X）Y2O3-8AL（2）O（3）-10NA（2）O-66P（ 2）研究O（5）（X = 0,4,8,12,16摩尔％）玻璃。通过傅里叶变换红外光谱（FTIR），差示扫描量热计（DSC），电化学工作站和防水试验，玻璃结构，玻璃化转变温度（T-G），DC电导率（Sigma（DC））和耐水性分别表征。结果表明，随着LA2O3的逐渐更换Y2O3，Q（（2））（Q（2）含量为玻璃结构中Q（1）和Q（2）含量之和的百分比）和每单位表面积质量损失特征的耐水性表明强烈的“混合稀土效应”。很明显，玻璃结构的变化会导致玻璃的耐水性不间断地变化，并且表现出与线性度的正偏差。结果可以通过混合稀土掺杂来提供一些有用的信息来定制玻璃的化学耐久性。

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