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| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Makridis, S. S. | en |
| dc.contributor.author | Litsardakis, G. | en |
| dc.contributor.author | Panagiotopoulos, I. | en |
| dc.contributor.author | Niarchos, D. | en |
| dc.contributor.author | Zhang, Y. | en |
| dc.contributor.author | Hadjipanayis, G. C. | en |
| dc.date.accessioned | 2015-11-24T17:34:43Z | - |
| dc.date.available | 2015-11-24T17:34:43Z | - |
| dc.identifier.issn | 0018-9464 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/14018 | - |
| dc.rights | Default Licence | - |
| dc.subject | hard magnetic materials | en |
| dc.subject | permanent magnets | en |
| dc.subject | rare earth metals and compounds | en |
| dc.subject | temperature-dependence | en |
| dc.title | High coercivity in boron substituted Sm-Co melt-spun magnets | en |
| heal.type | journalArticle | - |
| heal.type.en | Journal article | en |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.identifier.primary | Doi 10.1109/Tmag.2002.803068 | - |
| heal.identifier.secondary | <Go to ISI>://000178867200339 | - |
| heal.language | en | - |
| heal.access | campus | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικών | el |
| heal.publicationDate | 2002 | - |
| heal.abstract | The structural and magnetic properties of nanocomposite melt-spun Sm(Co0.74-x Fe0.1Cu0.12Zr0.04Bx)(7.5) magnets have been investigated as a function of boron content (x = 0.005 - 0.05), wheel speed and annealing conditions. The as-spun ribbons are nanocrystalline with fine microstructure and average grain size of 60-100 nm. X-ray diffraction indicates that the as-spun samples have the metastable hexagonal TbCu7-type structure phase and fcc-Co as a secondary soft phase. Magnetization at nonsaturating 5 T field is 45-72 emu/g and the reduced remanence (Mr/Ms) is above 0.8. The loop shape exhibits a characteristic step due to the soft magnetic phase. At room temperature, Hc values of 20-28 kOe are obtained for as spun samples, with a record value of 38.5 kOe for x = 0.04. At 380 degreesC Hc, values higher than 5 kOe are observed. Coercivity and loop shape are strongly dependent on annealing conditions. | en |
| heal.journalName | Ieee Transactions on Magnetics | en |
| heal.journalType | peer reviewed | - |
| heal.fullTextAvailability | TRUE | - |
| Appears in Collections: | Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά) | |
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