Impact of impurities on the thermal properties of a Li2S–SiS2–LiPO3 glass

IF 2.1 3区材料科学 Q2 MATERIALS SCIENCE, CERAMICS

International Journal of Applied Glass Science Pub Date : 2024-01-09 DOI:10.1111/ijag.16654

Jacob Wheaton, Steve W. Martin

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Abstract

The preparation of 0.58 Li₂S + 0.315 SiS₂ + 0.105 LiPO₃ glass, and the impacts of polysulfide and P^1P defect structure impurities on the glass transition temperature (T_g), crystallization temperature (T_c), working range (ΔT≡ T_c - T_g), fragility index, and the Raman spectra were evaluated using statistical analysis. In this study, 33 samples of this glass composition were synthesized through melt-quenching. Thermal analysis was conducted to determine the glass transition temperature, crystallization temperature, working range, and fragility index through differential scanning calorimetry. The quantity of the impurities described above was determined through Raman spectroscopy peak analysis. Elemental sulfur was doped into a glass to quantify the wt% sulfur content in the glasses. Linear regression analysis was conducted to determine the impact of polysulfide impurities and P^1P defect impurities on the thermal properties. Polysulfide impurities were found to decrease the T_g at rate of nearly 12°C per 1 wt% increase in sulfur concentration. The sulfur concentration does not have a statistically significant impact on the other properties (α = 0.05). The P^1P defect structure appears to decrease the resistance to crystallization of the glass by measurably decreasing the working range of the glasses, but further study is necessary to fully quantify and determine this.

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杂质对 Li2S-SiS2-LiPO3 玻璃热性能的影响

采用统计分析方法制备了 0.58 Li2S + 0.315 SiS2 + 0.105 LiPO3 玻璃，并评估了多硫化物和 P1P 缺陷结构杂质对玻璃化转变温度（Tg）、结晶温度（Tc）、工作范围（ΔT≡Tc - Tg）、脆性指数和拉曼光谱的影响。本研究通过熔融淬火法合成了 33 个该玻璃成分的样品。通过差示扫描量热法进行了热分析，以确定玻璃转化温度、结晶温度、工作范围和脆性指数。通过拉曼光谱峰值分析确定了上述杂质的数量。在玻璃中掺入元素硫，以量化玻璃中的硫含量 wt%。进行线性回归分析以确定多硫化物杂质和 P1P 缺陷杂质对热性能的影响。结果发现，硫浓度每增加 1 wt%，多硫化物杂质会使 Tg 降低近 12°C。硫浓度对其他性能的影响在统计学上并不显著（α = 0.05）。P1P 缺陷结构似乎降低了玻璃的抗结晶性，显著缩小了玻璃的工作范围，但要完全量化和确定这一点，还需要进一步的研究。

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来源期刊

International Journal of Applied Glass Science MATERIALS SCIENCE, CERAMICS-

CiteScore

4.50

自引率

9.50%

发文量

审稿时长

>12 weeks

期刊介绍： The International Journal of Applied Glass Science (IJAGS) endeavors to be an indispensable source of information dealing with the application of glass science and engineering across the entire materials spectrum. Through the solicitation, editing, and publishing of cutting-edge peer-reviewed papers, IJAGS will be a highly respected and enduring chronicle of major advances in applied glass science throughout this century. It will be of critical value to the work of scientists, engineers, educators, students, and organizations involved in the research, manufacture and utilization of the material glass. Guided by an International Advisory Board, IJAGS will focus on topical issue themes that broadly encompass the advanced description, application, modeling, manufacture, and experimental investigation of glass.