МЕХАНИЧЕСКИЕ СВОЙСТВА И МИКРОСТРУКТУРА СПЛАВОВ СИСТЕМЫ CoCrFeMnNi
OLJRHK
DOI:
https://doi.org/10.25712/ASTU.2072-8921.2024.02.033Аннотация
Проведено исследование по установлениюизменениямеханическихсвойств: твердости и микротвердости в зависимости от содержания химического состава высокоэнтропийных сплавов системы CoCrFeMnNi. Для исследования микроструктуры, химического состава неметаллических включений и элементного картирования использовались методы сканирующей электронной микроскопии. Размер неметаллических включений составил 8 мкм с выделением оксидных соединений Mn2O3. Микроструктурный анализ с использованием энергодисперсионной спектрометрии был проведен точечно в дендритной области и установил повышенное содержание таких элементов, как Co, Cr, Fe с высокой температурой плавления, а также выделения легкоплавких материалов Ni и Mn в междендритных прослойках
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