| Issue |
EPJ Web Conf.
Volume 196, 2019
XV All-Russian School-Conference of Young Scientists with International Participation “Actual Problems of Thermal Physics and Physical Hydrodynamics”
|
|
|---|---|---|
| Article Number | 00049 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.1051/epjconf/201919600049 | |
| Published online | 14 January 2019 | |
https://doi.org/10.1051/epjconf/201919600049
The thermal expansion coefficient of Nd-Fe-B and Sm-Co permanent magnets in the region of the Curie point
Kutateladze Institute of Thermophysics SB RAS, 630090, Novosibirsk, Russia
* Corresponding author: kozlovskii.yurii@gmail.com
Published online: 14 January 2019
A dilatometric study results on the linear thermal expansion coefficient (LTEC) of Nd-Fe-B and Sm-Co permanent magnets are presented. The experimental data in the temperature range 200–750 K and 293–1163 K, respectively, are obtained. The measurements were made with an error 3%. The character of the change of the linear thermal expansion coefficient in the vicinity of the Curie point is established. The critical exponents of the LTEC for magnetic phase transitions are defined.
© The Authors, published by EDP Sciences, 2019
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