溶胶-凝胶法制备纳米粉体及锆/氧化锆陶瓷复合材料

IF 0.8 4区材料科学 Q4 MATERIALS SCIENCE, CERAMICS

Glass Physics and Chemistry Pub Date : 2023-11-16 DOI:10.1134/S1087659623600540

V. L. Ugolkov, N. A. Koval’chuk, A. V. Osipov, L. P. Mezentseva

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引用次数: 0

摘要

采用溶胶-凝胶法合成(1 - x) ZrSiO4-xZrO (OH)2纳米前驱体粉末，组分分离沉淀，得到(1 - x) ZrSiO4-xZrO (OH)2陶瓷复合材料。采用差示扫描量热法和热重法(DSC/TG)研究了前驱体粉末的热行为。高显微硬度的陶瓷复合材料是通过烧结粉末，在850°C的温度下，在1000-1300°C的温度范围内进行初步煅烧得到的。在未来，这种陶瓷复合材料可以用作固化和隔离高放废物(HLW)的基体。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Sol-Gel Synthesis of Nanosized Powders and Obtaining Ceramic Composites Based on Zircon and Zirconium Oxide

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Sol-Gel Synthesis of Nanosized Powders and Obtaining Ceramic Composites Based on Zircon and Zirconium Oxide

Nanosized precursor powders of (1 – x)ZrSiO₄‒xZrO(OH)₂ are synthesized by the sol-gel method with the separate precipitation of components to obtain (1 – x)ZrSiO₄‒xZrO₂ ceramic composites. The thermal behavior of precursor powders is studied by differential scanning calorimetry and thermogravimetry (DSC/TG). Ceramic composites with a high level of microhardness are obtained by sintering powders, preliminarily calcined at 850°C, in air in the temperature range 1000‒1300°C. In the future, such ceramic composites can be used as matrices for solidification and isolating high-level waste (HLW).

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来源期刊

Glass Physics and Chemistry 工程技术-材料科学：硅酸盐

CiteScore

1.20

自引率

14.30%

发文量

审稿时长

6-12 weeks

期刊介绍： Glass Physics and Chemistry presents results of research on the inorganic and physical chemistry of glass, ceramics, nanoparticles, nanocomposites, and high-temperature oxides and coatings. The journal welcomes manuscripts from all countries in the English or Russian language.