Assessment of Cs volatility loss during glass melting adopting microwave and conventional heating

IF 3.2 3区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Journal of Non-crystalline Solids Pub Date : 2025-03-12 DOI:10.1016/j.jnoncrysol.2025.123482

Bibhas Kumar , Biplab Das , Prasanta Sinha , Uttam Jain , Pranesh Sengupta , Ashis Kumar Mandal

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引用次数: 0

Abstract

In this study, capability of microwave heating has been evaluated to reduce cesium (Cs) evaporation during melting. Glasses of different composition are prepared using microwave (MW) and conventional resistive heating furnaces. Energy-dispersive X-ray spectroscopy (EDX) inductively coupled plasma mass spectrometry (ICP-MS), gravimetric analysis, and Knudsen Cell Mass Spectrometry (KCMS) are used to assess Cs retention and substantiate lower evaporation during MW heating. Additionally, lower glass transition temperature (T_g) and red shift in UV–Vis spectra in MW-melted glasses suggest increased non-bridging oxygens (NBOs) due to reduced Cs evaporation. Further, higher amount of cesium bismuth iodide (Cs₃Bi₂I₉) formation in MW-melted glasses confirms higher retention of Cs. These results demonstrate that MW heating effectively reduces Cs evaporation, improving its retention in the glass. Moreover, borosilicate glasses exhibited greater Cs evaporation than boron-free glasses, likely due to boron-assisted evaporation.

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微波和常规加热玻璃熔融过程中Cs挥发性损失的评价

在本研究中，研究了微波加热减少铯在熔融过程中蒸发的能力。利用微波和传统的电阻加热炉制备了不同成分的玻璃。利用能量色散x射线光谱（EDX）、电感耦合等离子体质谱（ICP-MS）、重量分析和Knudsen细胞质谱（KCMS）来评估Cs保留和证实在MW加热过程中蒸发较低。此外，在mw熔融玻璃中，较低的玻璃化转变温度（Tg）和紫外-可见光谱的红移表明，由于Cs蒸发减少，非桥氧（NBOs）增加。此外，在mw熔融玻璃中形成了大量的碘化铋铯（Cs3Bi2I9），证实了更高的Cs保留率。这些结果表明，微波加热有效地减少了Cs的蒸发，提高了Cs在玻璃中的保留率。此外，硼硅酸盐玻璃比无硼玻璃表现出更大的Cs蒸发，可能是由于硼辅助蒸发。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.