vestichИзвестия Национальной академии наук Беларуси. Серия химических наукProceedings of the National Academy of Sciences of Belarus, Chemical Series1561-83312524-2342The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"10.29235/1561-8331-2022-58-2-149-157vestich-717Research ArticleФИЗИЧЕСКАЯ ХИМИЯPHYSICAL CHEMISTRYОценка влияния разложения твердого раствора алюминия на геометрическое строение изобарной фазовой диаграммы Al-Sn-ZnAssessment of effects of aluminum solid solution decomposition on geometric structure of Al-Sn-Zn isobar phase diagramПарфеноваМ. Д.ParfenovaM. D.

Парфенова Мария Дмитриевна - аспирант.

ул. Сахьяновой 6, Улан-Удэ, Республика Бурятия.

Maria D. Parfenova - Ph. D. student, Institute of Physical Materials Science of the Siberian Branch of the Russian Academy of Sciences.

6, Sakhyanova Str., Ulan-Ude, Republic of Buryatia.

krygentul@gmail.comВоробьеваВ. П.Vorob'evaV. P.

Воробьева Вера Павловна - доктор физико-математических наук, доцент, ведущий научный сотрудник.

ул. Сахьяновой 6, Улан-Удэ, Республика Бурятия.

Vera P. Vorob'eva - D. Sc. (Physics-Mathematics), Associate Professor, Leading Researcher, Institute of Physical Materials Science, Siberian Branch of the Russian Academy of Sciences.

6, Sakhyanova Str., Ulan-Ude, Republic of Buryatia.

vvorobjeva@mail.ruЛуцыкВ. И.LutsykV. I.

Луцык Василий Иванович - доктор химических наук, профессор, заведующий сектором компьютерного конструирования материалов.

ул. Сахьяновой 6, Улан-Удэ, Республика Бурятия.

Vasily I. Lutsyk - D. Sc. (Chemistry), Professor, Head of the Computer-aided Materials Design Sector, Institute of Physical Materials Science, Siberian Branch of the Russian Academy of Sciences.

6, Sakhyanova Str., Ulan-Ude, Republic of Buryatia.

vluts@ipms.bscnet.ruИнститут физического материаловедения Сибирского отделения Российской академии наукInstitute of Physical Materials Science of the Siberian Branch of the Russian Academy of Sciences202208062022582149157Copyright © Парфенова М.Д., Воробьева В.П., Луцык В.И., 20222022Парфенова М.Д., Воробьева В.П., Луцык В.И.Parfenova M.D., Vorob'eva V.P., Lutsyk V.I.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestichem.belnauka.by/jour/article/view/717

Представлена трехмерная (3D) компьютерная модель изобарной фазовой диаграммы Al-Sn-Zn. Показано, что T-x-y диаграмма состоит из 64 поверхностей и 25 фазовых областей. Рассмотрены особенности фазовой диаграммы двойной системы Al-Zn, связанные с распадом твердого раствора алюминия, и их влияние на геометрическое строение поверхностей ликвидуса и солидуса в тройной системе, формируемой этой системой при добавлении олова. Проведен критический анализ опубликованных данных и обсуждаются ошибки в визуализации тех фрагментов T-x диаграммы Al-Zn, в которых затрагиваются фазовые области, формируемые с участием новых твердых растворов алюминия, появившихся после распада исходного твердого раствора. Для построения 3D модели использовали литературные данные, а в основу оценки ее качества положены изо- и политермические разрезы из тех же первоисточников.

Three-dimensional (3D) computer model of the Al-Sn-Zn isobaric phase diagram is presented. It is shown that the T-x-y diagram consists of 64 surfaces and 25 phase regions. Features of Al-Zn binary system phase diagram related to decomposition of aluminum solid solution and its influence on geometric structure of liquidus and solidus surfaces in the ternary system, formed by this binary system and tin, are considered. Critical analysis of the published data was carried out and errors in visualization of those fragments of the Al-Zn T-x diagram, in which phase regions are formed with the participation of new aluminum solid solutions, appeared after the decomposition of the initial solid solution, are discussed. To design this 3D model, literary data were used, and the assessment of its quality is based on isopleths and isothermal sections from the same primary sources.

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