Effects of the grain size on domain structure and thermal stability of sintered Nd-Fe-B magnets

Volume: 735, Pages: 1176 - 1180
Published: Feb 1, 2018
Abstract
Thermal stability of coercivity and domain structure in sintered Nd–Fe–B magnets with various grain sizes has been studied. Microstructure analysis shows that the improved thermal stability arises from the grain morphology beneficial to a small effective demagnetization factor Neff. In-situ magnetic domain evolution during thermal demagnetization indicates that lower surface stray field in fine-grained magnets suppresses the reversion of domain...
Paper Details
Title
Effects of the grain size on domain structure and thermal stability of sintered Nd-Fe-B magnets
Published Date
Feb 1, 2018
Volume
735
Pages
1176 - 1180
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