- Код статьи
- S3034530825040059-1
- DOI
- 10.7868/S3034530825040059
- Тип публикации
- Статья
- Статус публикации
- Опубликовано
- Авторы
- Том/ Выпуск
- Том / Номер выпуска 4
- Страницы
- 54-66
- Аннотация
- В работе предложен способ формирования композиционных защитных покрытий на магниевом сплаве МА8, сочетающий плазменное электролитическое оксидирование (ПЭО), импрегнацию защитного слоя фумаратом натрия, используемым в качестве экологичного ингибитора коррозии, и обработку поликапролактоном для контролируемого высвобождения активного вещества. Образец с композиционным покрытием демонстрирует низкую скорость коррозии (0,12 мм/год) и сохраняет стабильность антикоррозионных свойств в течение 7 сут. Механизм активной защиты материала от коррозии включает три этапа: высвобождение ингибитора из пор ПЭО-слоя, миграцию его к поврежденным участкам поверхности и адсорбцию на металлическом магнии или продуктах коррозии магния. Полимерный слой увеличивает продолжительность защитного действия ингибитора. Предложенный способ обеспечивает контролируемую биодеградацию магических сплавов, перспективных для использования в качестве имплантационного материала.
- Ключевые слова
- биомедицина защитные покрытия поликапролактон магический сплав электрохимия
- Дата публикации
- 21.08.2025
- Год выхода
- 2025
- Всего подписок
- 0
- Всего просмотров
- 38
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