富铝Ca-Al-Si-O-N玻璃的结构和热性能研究

IF 9.1 2区 化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR
Sharafat Ali , Jacek Ryl , Abbas Saeed Hakeem , Katarzyna Grochowska , Natalia Anna Wójcik
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引用次数: 0

摘要

本文研究了富铝透明Ca-Al-Si-O-N玻璃的结构和热性能。以AlN为氮源,在1650℃下采用传统的熔融淬火工艺制备玻璃。所制得的玻璃具有nAl/nSi>1,含氮量高达17等%。通过x射线衍射、x射线光电子能谱、红外和拉曼光谱技术对玻璃的结构进行了表征。结构分析表明,相对于Al-N键的形成,Si-N键更倾向于形成,铝主要作为AlO4单元存在于四面体配位中。通过差热分析研究了样品的热性能,得到的玻璃化转变温度范围为875℃~ 950℃,主要受N含量的影响。玻璃的稳定性与所研究玻璃中的N和Al含量相关。由于氮的加入增加了网络聚合的程度,它得到了改善。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Investigation of the structural and thermal properties of aluminum-rich Ca–Al–Si–O–N glasses

In this paper, we investigate the structure and thermal properties of aluminum-rich transparent Ca–Al–Si–O–N glasses. The obtained glasses were prepared by a traditional melt-quenching technique at 1650 °C using AlN as the nitrogen source. The obtained glasses have a nAl/nSi>1 and contain up to 17 eq.% of N. The structure of the glasses was characterized by X-ray diffraction, X-ray photoelectron spectroscopy, infrared, and Raman spectroscopy techniques. The structure analysis shows a higher preference for Si–N bond formation relative to Al–N bond formation and aluminum is predominately present in tetrahedral coordination as AlO4 units. The thermal properties of samples were studied by differential thermal analysis and the obtained glass transition temperature ranges from 875 °C to 950 °C, and is primarily influenced by the N content. The glass stability can be correlated with both the N and Al contents in the studied glasses. It is improved due to the increased degree of network polymerization by the incorporation of nitrogen.

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来源期刊
Progress in Solid State Chemistry
Progress in Solid State Chemistry 化学-无机化学与核化学
CiteScore
14.10
自引率
3.30%
发文量
12
期刊介绍: Progress in Solid State Chemistry offers critical reviews and specialized articles written by leading experts in the field, providing a comprehensive view of solid-state chemistry. It addresses the challenge of dispersed literature by offering up-to-date assessments of research progress and recent developments. Emphasis is placed on the relationship between physical properties and structural chemistry, particularly imperfections like vacancies and dislocations. The reviews published in Progress in Solid State Chemistry emphasize critical evaluation of the field, along with indications of current problems and future directions. Papers are not intended to be bibliographic in nature but rather to inform a broad range of readers in an inherently multidisciplinary field by providing expert treatises oriented both towards specialists in different areas of the solid state and towards nonspecialists. The authorship is international, and the subject matter will be of interest to chemists, materials scientists, physicists, metallurgists, crystallographers, ceramists, and engineers interested in the solid state.
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