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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 glass composition on activation energy of viscosity in glass-melting-temperature range
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Effect of glass composition on activation energy of viscosity in glass-melting-temperature range

机译：玻璃组成对玻璃熔融温度范围内粘度活化能的影响

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In the high-temperature range, where the viscosity (η) of molten glass is < 10 ~3 Pa s, the activation energy (B) is virtually independent of temperature (T). Moreover, the coefficient A in the Arrhenius relationship, ln(η) = A + B/T, is nearly independent of melt composition. Hence, the viscosity-composition relationship for η < 10 ~3 Pa s is defined by B as a function of composition. Using a database encompassing over 1300 compositions of high-level waste glasses with nearly 7000 viscosity data, we developed mathematical models for B(x), where x is the composition vector in terms of mass fractions of components. In this paper, we present 13 versions of B(x) as first- and second-order polynomials with coefficients for 15 to 39 components, including Others, a component that sums constituents having little effect on viscosity.
机译：在熔融玻璃的粘度（η）＜10〜3Pa·s的高温范围内，活化能（B）实际上与温度（T）无关。此外，在阿伦尼乌斯关系中的系数A ln（η）= A + B / T几乎与熔体组成无关。因此，η＜10〜3Pa·s的粘度-组成关系由B定义为组成的函数。我们使用包含1300多种高级废玻璃成分的数据库以及近7000种粘度数据，开发了B（x）的数学模型，其中x是根据成分质量分数表示的成分向量。在本文中，我们将B（x）的13个形式表示为一阶和二阶多项式，其系数为15至39个成分，包括“其他”，该成分求和对粘度影响很小的成分。

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