glonucsecГлобальная ядерная безопасностьGlobal Nuclear Safety2305-414X2499-9733National Research Nuclear University "MEPhI"10.26583/GNS-2018-01-02XQXHBRglonucsec-459Research ArticleПРОБЛЕМЫ ЯДЕРНОЙ, РАДИАЦИОННОЙ И ЭКОЛОГИЧЕСКОЙ БЕЗОПАСНОСТИTHE PROBLEMS OF NUCLEAR, RADIATION AND ECOLOGICAL SAFETYМАТРИЧНАЯ ФОРМА ПЕРОВСКИТА С ИСПОЛЬЗОВАНИЕМ ТЕХНОЛОГИИ САМОРАСПРОСТРАНЯЮЩЕГОСЯ ВЫСОКОТЕМПЕРАТУРНОГО СИНТЕЗА (СВС) ДЛЯ ИМММОБИЛИЗАЦИИ ВЫСОКОАКТИВНЫХ РАДИОАКТИВНЫХ ОТХОДОВ (ВАО)Perovskite Matrix Form by Using SHS Technology for Immobilization HLWЦзянИ.JiangYi.Томский государственный университетРоссияNational Research Tomsk Polytechnic UniversityRussian Federation201812032026111823Copyright © Цзян И., 20262026Цзян И.Jiang Y.This work is licensed under a Creative Commons Attribution 4.0 License.https://glonucsec.elpub.ru/jour/article/view/459

Синрок признан в качестве вторичного отхода для захоронения высокоактивных радиоактивных отходов (ВАО). В этом исследовании один из самых изученных синрок-минералов, перовскит (CaTiO3), был получен путем самораспространяющегося высокотемпературного синтеза (СВС). Nd2O3 и Al2O3 были использованы в качестве окислителей, с Ni в качестве восстановителя. Перовскит в этом случае был успешно синтезирован. Синтезированные образцы легко затвердевали с желаемой плотностью и твердостью по Виккерсу.

Synroc is recognized as the second generation waste form for the disposal of high-level radioactive waste (HLW). In this research, one of the mostly studied Synroc minerals, perovskite (CaTiO3 ), was prepared by self-propagating high-temperature synthesis (SHS). Nd2O3 and Al2O3 were employed as the oxidants with Ni as the reductant. Perovskite was successfully synthesized. The as-synthesized samples were readily solidi-fied with desirable density and Vickers hardness.

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The authors declare that there are no conflicts of interest present.