The University of Dublin | Trinity College -- Ollscoil Átha Cliath | Coláiste na Tríonóide
Trinity's Access to Research Archive
Home :: Log In :: Submit :: Alerts ::

TARA >
School of Physics >
Physics >
Physics (Scholarly Publications) >

Please use this identifier to cite or link to this item: http://hdl.handle.net/2262/31790

Title: Magnetic properties of mechanically-alloyed Sm-Co nanophase hard magnets
Author: VENKATESAN, MUNUSWAMY
COEY, JOHN MICHAEL DAVID
Author's Homepage: http://people.tcd.ie/jcoey
Keywords: Physics
Issue Date: 2001
Publisher: IEEE
Citation: K Gallagher, M. Venkatesan and J. M. D. Coey 'Magnetic properties of mechanically-alloyed Sm-Co nanophase hard magnets' in IEEE Transactions on Magnetics, 37, (4), 2001, pp 2528 - 2530
Series/Report no.: IEEE Transactions on Magnetics
37
4
Abstract: Highly coercive Sm14Co86 powders were prepared by mechanical alloying with a view to enhance the high temperature magnetic properties by optimizing the annealing conditions. The powders were annealed in quartz tubes with a continuous vacuum of ~10-6 mbar at different temperatures. X-Ray diffraction studies confirmed the formation of a disordered 2:17 phase. DTA measurement on the as-milled amorphous powders revealed a single crystallization event at around 500°C. Magnetic measurements showed room temperature coercivities of at least 1 T and Curie temperatures around 820°C. The behavior of the initial magnetization curve lies in between those observed for low Hc 2:17 precipitation hardened magnets and SmCo5 or Nd2Fe14B magnets. The magnitude of coercivity is found to be sensitive to annealing temperature. The detailed comparison of magnetic properties with annealing conditions will be presented
Description: PUBLISHED
URI: http://hdl.handle.net/2262/31790
Appears in Collections:Physics (Scholarly Publications)

Files in This Item:

File Description SizeFormat
Magnetic properties.pdfpublished (publisher copy) peer-reviewed54.46 kBAdobe PDFView/Open


This item is protected by original copyright


Please note: There is a known bug in some browsers that causes an error when a user tries to view large pdf file within the browser window. If you receive the message "The file is damaged and could not be repaired", please try one of the solutions linked below based on the browser you are using.

Items in TARA are protected by copyright, with all rights reserved, unless otherwise indicated.

 

Valid XHTML 1.0! DSpace Software Copyright © 2002-2010  Duraspace - Feedback