Magnetostriction of melt-spun TbFe2-B alloys

S. H. Lim; S. R. Kim; H. J. Kim

doi:10.1109/20.539146

Magnetostriction of melt-spun TbFe₂-B alloys

S. H. Lim, S. R. Kim, H. J. Kim

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

The magnetostrictive characteristics of the melt-spun ribbons of (Tb_0.33Fe_0.67)_1-xB_x (x = 0, 0.02, 0.05, 0.1 and 0.15) alloys are investigated as a function of wheel speed during melt-quenching. It is found that the magnetic softness at low fields is improved substantially by the addition of B to the alloys, but the value of λ at 8 kOe obtained for the ribbon quenched at an optimum condition decreases continuously as B content increases from x = 0 (1300 ppm) to x = 0.15 (630 ppm). The present ribbons have a nanocrystalline grain structure even in the as-spun state and exhibit better magnetostrictive characteristics than the bulk and similarly melt-spun ribbons with an additional annealing process.

Original language	English
Pages (from-to)	4770-4772
Number of pages	3
Journal	IEEE Transactions on Magnetics
Volume	32
Issue number	5 PART 2
DOIs	https://doi.org/10.1109/20.539146
Publication status	Published - 1996
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1109/20.539146

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AU - Kim, H. J.

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AB - The magnetostrictive characteristics of the melt-spun ribbons of (Tb0.33Fe0.67)1-xBx (x = 0, 0.02, 0.05, 0.1 and 0.15) alloys are investigated as a function of wheel speed during melt-quenching. It is found that the magnetic softness at low fields is improved substantially by the addition of B to the alloys, but the value of λ at 8 kOe obtained for the ribbon quenched at an optimum condition decreases continuously as B content increases from x = 0 (1300 ppm) to x = 0.15 (630 ppm). The present ribbons have a nanocrystalline grain structure even in the as-spun state and exhibit better magnetostrictive characteristics than the bulk and similarly melt-spun ribbons with an additional annealing process.

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Magnetostriction of melt-spun TbFe₂-B alloys

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