用重量法测定玻璃中碱离子互扩散系数的改进方法：钠-铷离子交换的表征

IF 3.5 3区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Journal of Non-crystalline Solids Pub Date : 2025-08-06 DOI:10.1016/j.jnoncrysol.2025.123718

A.V. Shavlovich , A.A. Lipovskii , M.Yu. Lipovskaia , D.K. Tagantsev

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引用次数: 0

摘要

提出了一种改进的重量法来研究玻璃中的离子交换过程。它有利于评价低相互扩散系数。该方法是基于测量平面玻璃样品的平均密度对离子交换时间的依赖性。用该方法测定了520℃时钠-铷在钠钙硅酸盐玻璃中的互扩散系数D: D=2.5×10−11 cm²/s。

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Modified approach to determination of interdiffusion coefficients of alkali ions in glasses by gravimetric method: characterization of sodium-rubidium ion exchange

A modified gravimetric method to study the ion exchange process in glasses has been developed. It is expedient for evaluating low interdiffusion coefficients. The approach is based on measuring the dependence of the average density of plane glass samples on the ion exchange time. The developed method has been used to determine the sodium-rubidium interdiffusion coefficient,

D

, in soda-lime silicate glass for the temperature of 520°C:

D = 2.5 \times 10^{- 11}

cm²/s.

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来源期刊

Journal of Non-crystalline Solids 工程技术-材料科学：硅酸盐

CiteScore

6.50

自引率

11.40%

发文量

576

审稿时长

35 days

期刊介绍： The Journal of Non-Crystalline Solids publishes review articles, research papers, and Letters to the Editor on amorphous and glassy materials, including inorganic, organic, polymeric, hybrid and metallic systems. Papers on partially glassy materials, such as glass-ceramics and glass-matrix composites, and papers involving the liquid state are also included in so far as the properties of the liquid are relevant for the formation of the solid. In all cases the papers must demonstrate both novelty and importance to the field, by way of significant advances in understanding or application of non-crystalline solids; in the case of Letters, a compelling case must also be made for expedited handling.