溶胶-凝胶法制备纳米粉体及锆英石-氧化铪陶瓷复合材料

IF 0.7 4区材料科学 Q4 MATERIALS SCIENCE, CERAMICS Glass Physics and Chemistry Pub Date : 2025-01-13 DOI:10.1134/S108765962460056X

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-凝胶法合成纳米（1 - x） ZrSiO4-xHf (OH)4前驱体粉末，组分分离沉淀，得到（1 - x） ZrSiO4-xHfO2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。将850℃预煅烧的粉末在1000 ~ 1300℃的空气中烧结，得到了具有高显微硬度的陶瓷复合材料。相组成用XPA法测定。

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Sol-Gel Synthesis of Nano-Sized Powders and Fabrication of Ceramic Composites Based on Zircon and Hafnium Oxide

Nanosized (1 – x)ZrSiO₄–xHf(OH)₄ precursor powders are synthesized using the sol-gel method with the separate precipitation of components for obtaining (1 – x)ZrSiO₄–xHfO₂ ceramic composites. The thermal behavior of the precursor powders is studied using the differential scanning calorimetry and thermogravimetry (DSC/TG) method. By sintering powders precalcined at 850°C in air in the temperature range of 1000–1300°C, ceramic composites with high microhardness are obtained. The phase composition is determined by the XPA method.

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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.