Влияние содержания Mg на структуру, свойства и цитотоксичность биодеградируемых сплавов системы Zn-Fe-Mg

Авторы

E.D. Abdrakhmanova ^1, ² , E.D. Khafizova ¹ , M.V. Polenok ¹ , R.K. Islamgaliev ¹ , Zhen Li ² , Li Li ² , Yingru Liang ² , Meng Zhang ²

¹ Уфимский университет науки и технологий, ул. Заки Валиди, д. 32, Уфа, 450076, Россия

² Harbin Engineering University, Nantong Str, No. 145, Harbin Heilongjiang, 150001, China

10.17586/2687-0568-2025-7-2-71-78

Rev. Adv. Mater. Technol., 2025, vol. 7, no. 2, pp. 71–78

Аннотация

С каждым годом увеличивается интерес к биодеградируемым материалам для временных имплантатов на основе цинка. Цинковый сплав системы Zn-Fe-Mg представляет особый интерес, так как отдельно каждый элемент рассматривается как биодеградируемый металлический материал. В данной работе представлено всестороннее исследование свойств цинковых сплавов Zn-1%Fe-1%Mg и Zn-1%Fe-5%Mg, подвергнутых интенсивной пластической деформации кручением. Приведен сравнительный анализ структуры сплавов в литом состоянии и после деформации, отличия их фаз, свойств сплавов при одинаковой деформации, а также цитотоксичность материалов. Содержание Mg более 3 вес.% приводит к выделению дополнительной фазы MgZn2, помимо уже присутствовавшей Mg2Zn11. Деформационная обработка сплава Zn-1%Fe-1%Mg способствует устранению его хрупкости и распределению эвтектики Mg2Zn11 равномерно по объему образца. Однако Zn-1%Fe5%Mg обладает избыточной хрупкостью даже после деформации. Добавление Mg в сплав привело к ускорению коррозионных процессов. Механические, коррозионные, цитотоксичные свойства Zn-1%Fe-1%Mg соответствуют требованиям, предъявляемым к биодеградируемым материалам.

Ключевые слова

цинк; биодеградируемые материалы; коррозия; интенсивная пластическая деформация кручением; цитотоксичность

Финансирование

Ufa University of Science and Technology: PRIORITY-2030

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Том 7, № 2

Страницы 71-78

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Поступила в редакцию: 11 Апреля 2025

Принята: 19 Апреля 2025

Доступна онлайн: 20 Апреля 2025

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