Peculiarities of Radiation Synthesis of MeWO4 Ceramics; High-Temperature Materials; Vol. 3, iss. 2

Peculiarities of Radiation Synthesis of MeWO4 Ceramics; High-Temperature Materials; Vol. 3, iss. 2

Dades bibliogràfiques
Parent link:	High-Temperature Materials.— .— Hong Kong: SCIE Publishing Ltd. Vol. 3, iss. 2.— 2026.— Article number 10008, 10 p.
Altres autors:	Bakieva Zh. Zhanara, Lisitsyn V. M. Viktor Mikhailovich, Alpysova G. K. Gulnur Kenzhebekovna, Karnaukhova A. A. Anna Alekseevna, Musakhanov D. A. Dosymkhan Abitkhanovich, Afanasjev D. A. Dmitry Aleksandrovich, Golkovsky M. G. Mikhail Gedalievich
Sumari:	Title screen We report the results of MeWO4 ceramics synthesis by the direct exposure of metal (Mg, Ca, Zn, W) oxides mixture to a high-power flux of high-energy electrons. The oxide powder particle sizes are 1–10 microns. The synthesis occurs with high efficiency in less than 1 s without the use of any additional substances and energy sources. The purpose of this work is to establish the main processes that ensure the effective synthesis of MgWO4, CaWO4, and ZnWO4 ceramics from ZnO, CaO, MgO, and WO4 oxides, which differ significantly in their physical and chemical properties. It has been found that the dependence of synthesis efficiency on the electron beam power density and the power density threshold at which synthesis begins varies significantly for simple metal oxides and is very close for the tungstates of these metals. The most probable explanation for the observed effect is redistribution of absorbed radiation energy. WO3 powder particles have a high absorptance of the incident electron radiation. The result is a cascade multiplication of primary electrons into secondary electrons with much lower energy. Secondary electrons are efficiently absorbed by MgO, CaO, and ZnO particles, leading to their efficient decomposition and the formation of a new phase Текстовый файл
Idioma:	anglès
Publicat:	2026
Matèries:	Oxide ceramics Tungsten Radiation synthesis Electron beam irradiation Power density электронный ресурс труды учёных ТПУ
Accés en línia:	https://doi.org/10.70322/htm.2026.10008
Format:	Electrònic Capítol de llibre
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=687691

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