Fabrication and Properties of Ceramics/Single Crystal Composites Based on Yttrium Aluminum Garnet

The optical properties and microstructure of composites based on yttrium aluminum garnet were studied. The composites were produced by vacuum sintering of pre-formed compacts of nanocrystalline powder (Y3Al4.995Cr0.005O12) with a YAG single crystal. The transmittance spectra of the composite samples...

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Príomhchruthaitheoirí:	Malyavin, F. F., Малявин, Ф. Ф., Suprunchuk, V. E., Супрунчук, В. Е., Tarala, V. A., Тарала, В. А., Kravtsov, A. A., Кравцов, А. А., Vakalov, D. S., Вакалов, Д. С., Lapin, V. A., Лапин, В. А., Medyanik, E. V., Медяник, Е. В., Tarala, L. V., Тарала, Л. В.
Formáid:	Статья
Teanga:	English
Foilsithe / Cruthaithe:	Springer 2024
Ábhair:	Grain size YAG:Cr/YAG:Nd composites Microstructure Optical ceramics Optical properties
Rochtain ar líne:	https://dspace.ncfu.ru/handle/123456789/29221
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spelling	ir-123456789-292212024-11-11T12:23:04Z Fabrication and Properties of Ceramics/Single Crystal Composites Based on Yttrium Aluminum Garnet Malyavin, F. F. Малявин, Ф. Ф. Suprunchuk, V. E. Супрунчук, В. Е. Tarala, V. A. Тарала, В. А. Kravtsov, A. A. Кравцов, А. А. Vakalov, D. S. Вакалов, Д. С. Lapin, V. A. Лапин, В. А. Medyanik, E. V. Медяник, Е. В. Tarala, L. V. Тарала, Л. В. Grain size YAG:Cr/YAG:Nd composites Microstructure Optical ceramics Optical properties The optical properties and microstructure of composites based on yttrium aluminum garnet were studied. The composites were produced by vacuum sintering of pre-formed compacts of nanocrystalline powder (Y3Al4.995Cr0.005O12) with a YAG single crystal. The transmittance spectra of the composite samples exhibited the presence of Cr3+ absorption bands following vacuum sintering, as well as Cr4+ bands following annealing in air. The impact of varying heating rates during vacuum sintering on the transmittance of composite samples was examined. It was determined that the optimal heating rate during the vacuum sintering of composites should be less or equal to 120 K/h. In addition, the impact of the vacuum sintering temperature on the optical properties and microstructure of YAG:Cr (ceramics)/YAG:Nd (single crystal) composite samples was investigated. The samples exhibiting the highest transparency were obtained at a temperature of 1850°C. Microstructure studies of the composites revealed the presence of regular residual porosity in the vicinity of the interface, predominantly located in the YAG single crystal. It is postulated that the formation of these pores occurs during the fusion of ceramic grains with a single crystal during sintering. 2024-11-11T12:21:28Z 2024-11-11T12:21:28Z 2024 Статья Malyavin F.F., Suprunchuk V.E., Tarala V.A., Kravtsov A.A., Vakalov D.S., Lapin V.A., Kungurtsev K.V., Medyanik E.V., Tarala L.V. Fabrication and Properties of Ceramics/Single Crystal Composites Based on Yttrium Aluminum Garnet // Glass and Ceramics (English translation of Steklo i Keramika). - 2024. - 81 (5-6). - pp. 230 - 236. - DOI: 10.1007/s10717-024-00688-9 https://dspace.ncfu.ru/handle/123456789/29221 en Glass and Ceramics (English translation of Steklo i Keramika) application/pdf application/pdf Springer
institution	СКФУ
collection	Репозиторий
language	English
topic	Grain size YAG:Cr/YAG:Nd composites Microstructure Optical ceramics Optical properties
spellingShingle	Grain size YAG:Cr/YAG:Nd composites Microstructure Optical ceramics Optical properties Malyavin, F. F. Малявин, Ф. Ф. Suprunchuk, V. E. Супрунчук, В. Е. Tarala, V. A. Тарала, В. А. Kravtsov, A. A. Кравцов, А. А. Vakalov, D. S. Вакалов, Д. С. Lapin, V. A. Лапин, В. А. Medyanik, E. V. Медяник, Е. В. Tarala, L. V. Тарала, Л. В. Fabrication and Properties of Ceramics/Single Crystal Composites Based on Yttrium Aluminum Garnet
description	The optical properties and microstructure of composites based on yttrium aluminum garnet were studied. The composites were produced by vacuum sintering of pre-formed compacts of nanocrystalline powder (Y3Al4.995Cr0.005O12) with a YAG single crystal. The transmittance spectra of the composite samples exhibited the presence of Cr3+ absorption bands following vacuum sintering, as well as Cr4+ bands following annealing in air. The impact of varying heating rates during vacuum sintering on the transmittance of composite samples was examined. It was determined that the optimal heating rate during the vacuum sintering of composites should be less or equal to 120 K/h. In addition, the impact of the vacuum sintering temperature on the optical properties and microstructure of YAG:Cr (ceramics)/YAG:Nd (single crystal) composite samples was investigated. The samples exhibiting the highest transparency were obtained at a temperature of 1850°C. Microstructure studies of the composites revealed the presence of regular residual porosity in the vicinity of the interface, predominantly located in the YAG single crystal. It is postulated that the formation of these pores occurs during the fusion of ceramic grains with a single crystal during sintering.
format	Статья
author	Malyavin, F. F. Малявин, Ф. Ф. Suprunchuk, V. E. Супрунчук, В. Е. Tarala, V. A. Тарала, В. А. Kravtsov, A. A. Кравцов, А. А. Vakalov, D. S. Вакалов, Д. С. Lapin, V. A. Лапин, В. А. Medyanik, E. V. Медяник, Е. В. Tarala, L. V. Тарала, Л. В.
author_facet	Malyavin, F. F. Малявин, Ф. Ф. Suprunchuk, V. E. Супрунчук, В. Е. Tarala, V. A. Тарала, В. А. Kravtsov, A. A. Кравцов, А. А. Vakalov, D. S. Вакалов, Д. С. Lapin, V. A. Лапин, В. А. Medyanik, E. V. Медяник, Е. В. Tarala, L. V. Тарала, Л. В.
author_sort	Malyavin, F. F.
title	Fabrication and Properties of Ceramics/Single Crystal Composites Based on Yttrium Aluminum Garnet
title_short	Fabrication and Properties of Ceramics/Single Crystal Composites Based on Yttrium Aluminum Garnet
title_full	Fabrication and Properties of Ceramics/Single Crystal Composites Based on Yttrium Aluminum Garnet
title_fullStr	Fabrication and Properties of Ceramics/Single Crystal Composites Based on Yttrium Aluminum Garnet
title_full_unstemmed	Fabrication and Properties of Ceramics/Single Crystal Composites Based on Yttrium Aluminum Garnet
title_sort	fabrication and properties of ceramics/single crystal composites based on yttrium aluminum garnet
publisher	Springer
publishDate	2024
url	https://dspace.ncfu.ru/handle/123456789/29221
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Fabrication and Properties of Ceramics/Single Crystal Composites Based on Yttrium Aluminum Garnet

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