- Tytuł:
- Structure and Properties of Nd-Fe-B Alloy Subjected to HDDR Process
- Autorzy:
-
Szymański, M.
Michalski, B.
Leonowicz, M.
Miazga, Z. - Powiązania:
- https://bibliotekanauki.pl/articles/352047.pdf
- Data publikacji:
- 2016
- Wydawca:
- Polska Akademia Nauk. Czytelnia Czasopism PAN
- Tematy:
-
HDDR
magnets hydrogenation
Nd-Fe-B alloy
neodymium magnets
magnets recycling - Opis:
- In this paper the Hydrogenation, Disproportionation, Desorption and Recombination (HDDR) route was tested, for the Nd-Fe-B master alloy, as a prospective procedure for recycling of sintered scrap neodymium magnets. The HDDR method is based on the hydrogen induced reversal phase transformation of Nd-Fe-B alloy: Nd2Fe14B + (2±x) H2 = 2NdH2±x + Fe2B + 12Fe. Microstructural observations (SEM), phase constitution studies (XRD) and measurement of magnetic properties (VSM) were done to investigate the HDDR transformation progress. It was observed that disproportionation reaction starts at the grain boundaries, where the Nd-rich phase is located. Average grain size was reduced and coercive material was produced as a result of the HDDR process. Obtained results are similar to literature data.
- Źródło:
-
Archives of Metallurgy and Materials; 2016, 61, 1; 217-220
1733-3490 - Pojawia się w:
- Archives of Metallurgy and Materials
- Dostawca treści:
- Biblioteka Nauki
Artykuł