A study of the thermal demagnetisation behaviour of Nd-Fe-B sintered magnets by a magnetic field mapping system

Andrew Williams, R Walls, Benjamin Davies, Jonathan Marchese, Ivor Harris

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A heating stage was developed for a magnetic field mapping system (MagScan). As expected, on heating or a NdFeB sintered magnet, the average field strength above the magnet decreased with increasing temperature. It was seen that the field at the centre of the magnet began to decrease more rapidly than that at the edge and effects possibly due to inhomogeneities in the structure of the magnet could be observed. (C) 2002 Elsevier Science B.V. All rights reserved.
Original languageEnglish
Pages (from-to)1378-1380
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Volume242
DOIs
Publication statusPublished - 1 Apr 2002

Keywords

  • scanning
  • thermomagnetics
  • magnetic field

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