ntvНаучно-технический вестник информационных технологий, механики и оптикиScientific and Technical Journal of Information Technologies, Mechanics and Optics2226-14942500-0373Университет ИТМО10.17586/2226-1494-2023-23-5-1065-1072ntv-197Research ArticleМАТЕМАТИЧЕСКОЕ И КОМПЬЮТЕРНОЕ МОДЕЛИРОВАНИЕMODELING AND SIMULATIONОценка влияния степени заполнения реакционного тигля железо-олово на процессы тепло- и массопереноса в присутствии электрического тока высокой плотностиStudy of heat and mass transfer processes in the Fe-Sn reaction crucible in the presence of high-density electric currenthttps://orcid.org/0000-0002-8970-0809ФоминВ. Е.FominV. E.

Фомин Владислав Евгеньевич — аспирант

sc 57202281009

Санкт-Петербург, 197101

Vladislav E. Fomin — PhD Student

sc 57202281009

Saint Petersburg, 197101

vladdisslav.fomin@yandex.ruhttps://orcid.org/0000-0003-0073-2415НовотельноваА. В.NovotelnovaA. V.

Новотельнова Анна Владимировна — кандидат технических наук, доцент

sc 56436689700

Санкт-Петербург, 197101

Anna V. Novotelnova — PhD, Associate Professor

sc 56436689700

Saint Petersburg, 197101

novotelnova@yandex.ruhttps://orcid.org/0000-0003-3297-3395БолкуновГ. А.BolkunovG. A.

Болкунов Геннадий Александрович — аспирант

Санкт-Петербург, 197101

Gennady A. Bolkunov — PhD Student

Saint Petersburg, 197101

genabolkun@gmail.ruhttps://orcid.org/0000-0001-9258-2551БочкановФ. Ю.BochkanovF. Yu.

Бочканов Федор Юрьевич — младший научный сотрудник

Москва, 119049

Fedor Yu. Bochkanov — Junior Researcher

Moscow, 119049

Bochkanov_fy@mail.ruhttps://orcid.org/0000-0001-8686-2303КарпенковД.. Ю.KarpenkovD. Yu.

Карпенков Дмитрий Юрьевич — кандидат физико-математических наук, старший научный сотрудник

sc 36918372200

Москва, 119049; Москва, 119991

Dmitry Yu. Karpenkov — PhD (Physics & Mathematics), Senior Researcher

sc 36918372200

Moscow, 119049; Moscow, 119991

karpenkov_d_y@mail.ruУниверситет ИТМОРоссияITMO UniversityRussian FederationНациональный исследовательский технологический университет «МИСиС»РоссияNational University of Science and Technology “MISIS”Russian FederationНациональный исследовательский технологический университет «МИСиС» ; Московский государственный университет имени М.В. ЛомоносоваРоссияNational University of Science and Technology “MISIS” ; Lomonosov Moscow State UniversityRussian Federation20231412202423510651072Copyright © Фомин В.Е., Новотельнова А.В., Болкунов Г.А., Бочканов Ф.Ю., Карпенков Д.Ю., 20242024Фомин В.Е., Новотельнова А.В., Болкунов Г.А., Бочканов Ф.Ю., Карпенков Д.Ю.Fomin V.E., Novotelnova A.V., Bolkunov G.A., Bochkanov F.Y., Karpenkov D.Y.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://ntv.elpub.ru/jour/article/view/197

Введение. При создании новых магнитоупорядоченных фаз материалов используются технологии твердотельного синтеза в реакционных тиглях. Конечный результат процесса синтеза в реакционных тиглях обусловлен технологическими факторами, режимом прохождения тока и его плотностью, достигаемой температурой в реакционной зоне, временем воздействия, геометрическими параметрами тигля и реакционной зоны и другими факторами. В работе приведены результаты исследования влияния степени заполнения реакционного объема тигля расплавом олова на процессы тепло- и массопереноса при его электротермической обработке. Метод. Предложена модель, описывающая диффузионные процессы в реакционной зоне в ходе синтеза интерметаллидов железа и олова при электротермическом воздействии. Исследование процесса диффузии в реакционных тиглях системы железо-олово выполнено методом конечных элементов в программной среде Comsol Multiphysics. Основные результаты. Показано, что снижение степени заполнения реакционного тигля компонентами синтеза приводит к изменению распределения плотности тока и понижению температуры в реакционной зоне, что влияет на процессы массопереноса. Обсуждение. Результаты работы могут быть использованы при анализе экспериментальных данных по получению интерметаллидов методом реакционного синтеза и определении необходимых технологических параметров для синтеза новых материалов.

In the search for new magnetically ordered phases of materials, solid-state synthesis technologies in reaction crucibles are used. The final result of the synthesis process in reaction crucibles is conditioned, in particular, by technological factors, the mode of current flow and its density, the achieved temperature in the reaction zone, exposure time, geometrical parameters of the crucible and the reaction zone, etc. The paper presents the results of influence investigation of the reaction volume filling degree with tin melt on the processes of heat and mass transfer during its electrothermal treatment. A model describing diffusion processes in the reaction zone during the synthesis of iron and tin intermetallides under electrothermal treatment has been proposed. The diffusion process in the reaction crucibles of the iron-tin system was investigated by the finite element method in the Comsol Multiphysics software environment. It is shown that the decrease in the degree of filling of the reaction crucible with synthesis components leads to a change in the distribution of current density and a decrease in the temperature in the reaction zone, which affects the mass transfer processes. The results of the work can be used in the analysis of experimental data on the production of intermetallides by reaction synthesis and determination of the necessary technological parameters for the synthesis of new materials.

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