Structure and magnetic properties of Sm2Fe17Nx alloys after severe plastic deformation by high pressure torsionстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 16 сентября 2020 г.
Аннотация:In this study the structure and magnetic properties of Sm2Fe17Nx alloys after high pressure torsion (HPT) was investigated. As a result of HPT, bulk samples were obtained as disk-shaped 0.5 mm high and 8 mm in diameter. The maximum coercivity Hc = 621.4 kA/m (7.7 kOe) was obtained on the samples after 3 turns (e = 5.01) with the remanence magnetization σr = 57.7 A·m2/kg. It was shown that HPT leads to decomposition of the Sm2Fe17Nx phase with the formation of α-Fe and the exchange-coupled state. The influence of temperature on the deformation processes of Sm2Fe17Nx alloys was established.