Magnetic properties of melt-spun ribbons of DyFe2-B alloys

Authors
Kang, SYLee, SRLim, SH
Issue Date
1999-09
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE TRANSACTIONS ON MAGNETICS, v.35, no.5, pp.3826 - 3828
Abstract
Magnetic properties of rapidly solidified ribbons of the alloys (Dy0.33Fe0.67)(1-x)B-x with x = 0, 0.05, 0.1 and 0.15 were investigated as a function of the quench rate during melt-spinning. At;low quench rates where the crystalline microstructure has a single phase, room temperature magnetization at 15 kOe (M-15) is approximately 60 emu/g and is independent of the B content. The coercive force (H-c), however, increases greatly with the addition of B by a factor of two. This may be due to the increase in magnetocrystalline anisotropy which is generated by a distortion of the highly symmetrical cubic lattice by the introduction of B. At high quench rates where the microstructure mainly consists of an amorphous phase, the values of M-15 and H-c are reduced greatly by amorphization and they decrease monotonically with increasing B content.
Keywords
FE-B ALLOYS; MAGNETOSTRICTION; FERROMAGNETS; FE-B ALLOYS; MAGNETOSTRICTION; FERROMAGNETS; B addition; DyFe2; giant magnetostriction; magnetic properties; melt-spun ribbons
ISSN
0018-9464
URI
https://pubs.kist.re.kr/handle/201004/141971
DOI
10.1109/20.800678
Appears in Collections:
KIST Article > Others
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