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Magnetocaloric effect in severe plastic deformed Gd-X (X=In, Ga, B, Y, Zr)статья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Дата последнего поиска статьи во внешних источниках: 17 октября 2017 г.
- Авторы: Taskaev S., Khovaylo V., Skokov K., Pellenen A., Karpenkov D., Ulyanov M., Gutfleisch O.
- Журнал: Refrigeration Science and Technology
- Год издания: 2016
- Первая страница: 99
- Последняя страница: 102
- DOI: 10.18462/iir.thermag.2016.0109
- Аннотация: Nowadays, a bottleneck in designing an effective heat exchanger for magnetic refrigeration devices is the development of magnetocaloric materials exhibiting a good magnetocaloric effect in a wide temperature range suitable for utilization in active magnetic refrigeration (AMR) cycle. One of the best candidates is Gd solid solutions in which one can tune Curie temperature Tc by doping solvent element with a subsequent decreasing magnetocaloric effect. Solid solutions of Gd treated with the help of cold rolling in severe regime (relative deformation is about 60 times) show unusual magnetic properties initialized by induced magnetic anisotropy. Although magnetization, heat capacity, magnetocaloric effect are depressed, they can be completely restored by a proper thermal treatment of the rolled specimens. It was shown that Gd-Y, Gd-In and Gd-Zr solid solutions have comparable to pure Gd magnetocaloric effect in a wide temperature window up to 37 K, 35 K, and 16 K, respectively, and therefore they can be useful for designing an effective AMR heat exchanger. В© 2016, International Institute of Refrigeration. All rights reserved.
- Добавил в систему: Карпенков Дмитрий Юрьевич