- Код статьи
- S30346215S0015323025030048-1
- DOI
- 10.7868/S3034621525030048
- Тип публикации
- Статья
- Статус публикации
- Опубликовано
- Авторы
- Том/ Выпуск
- Том 126 / Номер выпуска 3
- Страницы
- 279-290
- Аннотация
- Рассмотрен метод получения анизотропных магнитотвердых порошков Nd-Fe-B с помощью процесса гидрирования, диспропорционирования, десорбции и рекомбинации (Hydrogenation- Disproportionation-Desorption-Recombination, HDDR), застехиометрического по Nd относительно фазы сплава NdFeB. Изучены два различных подхода к технологии - динамический и твердофазный HDDR-процессы. Показана принципиальная зависимость магнитных гистерезисных свойств порошков от давления водорода и скорости его увеличения на стадии диспропорционирования. Установлено, что твердофазный HDDR позволяет получать порошки с лучшими магнитными гистерезисными свойствами по сравнению с динамическим HDDR.
- Ключевые слова
- HDDR Nd-Fe-B магнитотвердые порошки коэрцитивная сила
- Дата публикации
- 21.02.2025
- Год выхода
- 2025
- Всего подписок
- 0
- Всего просмотров
- 12
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