Productive Methods for Increasing the Efficiency of Intermediate Reactions in the Synthesis of Functional Ceramics

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This study focuses on investigating the potential of modified ceramic technology methods for producing composition materials with nano-level heterogeneity, approximating the properties of functional ceramics (FC) obtained through helio-technology. Three different powder synthesis methods were utilized: oxide method, ceramic technology, and sol-gel technology. X-ray diffraction and electron microscopy analyses were employed to compare the microstructure of powders obtained by these methods with samples synthesized using helio-technology. The results revealed that powders obtained through modified ceramic technology methods exhibited a more homogeneous structure and smaller particle size compared to those obtained through helio-technology. Nano-sized, metastable, and amorphous phases formed at the boundaries of such powders are considered responsible for the generation of pulsed infrared radiation. These findings have significant practical implications in various fields that require composition materials with controlled properties and the ability to generate pulsed infrared radiation.

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作者简介

Rustam Rakhimov

Institute of Materials Science of the SPA “Physics-Sun” of the Academy of Science of Uzbekistan

编辑信件的主要联系方式.
Email: rustam-shsul@yandex.com
ORCID iD: 0000-0001-6964-9260

Doctor of Engineering, Head at the Laboratory No. 1

乌兹别克斯坦, Tashkent

Vladimir Pankov

Belarusian State University

Email: pankovbsu@gmail.com
ORCID iD: 0000-0001-5478-0194

Dr. Sci. (Chem.), Professor

白俄罗斯, Minsk

Vladimir Yermakov

Institute of Materials Science of the SPA “Physics-Sun” of the Academy of Science of Uzbekistan

Email: labimanod@uzsci.net
ORCID iD: 0000-0002-0632-6680

senior research at the Laboratory No. 1

乌兹别克斯坦, Tashkent

Leonid Makhnach

Belarusian State University

Email: pankovbsu@gmail.com
ORCID iD: 0000-0001-9248-6674

Cand. Sci. (Chem.), senior researcher

白俄罗斯, Minsk

参考

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2. Fig.1. X-ray spectrum of the ceramics after firing at 1200 °C: a – oxide method; b – oxides with amorphous phase; c – carbonate method; d – heliotechnology

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3. Fig. 2. Microphotographs of powders obtained: а – initial chromium oxide; b – initial iron oxide; c – after firing of Cr2O3–SiO2–Fe2O3–CaO–Al2O3–MgO–CuO system at 1250 °C

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4. Fig. 3. Microphotographs of the surface of powders obtained: а – oxide method; b – oxide method with amorphous phase; c – carbonate method; d – by heliotechnology (all photos are made in the same scale)

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5. Fig. 4. Microphotograph of the surface of the powder obtained by carbonate method: extended areas of gray color – solid solution with spinel structure; extended areas of dark color – silicon oxide phase

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6. Fig. 5. Microphotograph of the surface of the powder obtained by heliotechnology

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7. Fig. 6. Microphotograph of the surface of the powder obtained by heliotechnology. Extended areas of dark color are silicon carbide phase

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8. Fig. 7. Micrograph of the surface of the powder obtained by the oxide method and concentration profiles of silicon and iron at the interface of SiO2 and (Fe, Cr)2O3. phases

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