Magnetic Behaviour of Mechanically Milled (Nd1-xDyx)(8)Fe88B4

W.F. Miao; J. Ding; Paul Mccormick; Robert Street

doi:10.1016/S0304-8853(97)00137-6

Magnetic Behaviour of Mechanically Milled (Nd1-xDyx)(8)Fe88B4

W.F. Miao, J. Ding, Paul Mccormick, Robert Street

Research output: Contribution to journal › Article

Abstract

The structure and magnetic properties of mechanically milled (Nd1-xDyx)(8)Fe88B4(x = 0-1) have been investigated. It was found that suitably annealed samples consisted of a nanocrystalline mixture of magnetically soft alpha-Fe and hard (Nd,Dy)(2)Fe14B. Optimally annealed samples exhibited remanence enhancement and single-phase magnetic behaviour. due to exchange interactions between hard and soft phases. Whilst the remanence decreased with increasing Dy concentration, the coercivity increased. Moreover, as the Dy concentration increased, the magnetic behaviour of the two-phase Nd(Dy)FeB alloys became more sensitive to heat treatment conditions.

Original language	English
Pages (from-to)	304-310
Journal	Journal of Magnetism and Magnetic Materials
Volume	175
Issue number	3
DOIs	https://doi.org/10.1016/S0304-8853(97)00137-6
Publication status	Published - 1997

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Miao, W. F., Ding, J., Mccormick, P., & Street, R. (1997). Magnetic Behaviour of Mechanically Milled (Nd1-xDyx)(8)Fe88B4. Journal of Magnetism and Magnetic Materials, 175(3), 304-310. https://doi.org/10.1016/S0304-8853(97)00137-6

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abstract = "The structure and magnetic properties of mechanically milled (Nd1-xDyx)(8)Fe88B4(x = 0-1) have been investigated. It was found that suitably annealed samples consisted of a nanocrystalline mixture of magnetically soft alpha-Fe and hard (Nd,Dy)(2)Fe14B. Optimally annealed samples exhibited remanence enhancement and single-phase magnetic behaviour. due to exchange interactions between hard and soft phases. Whilst the remanence decreased with increasing Dy concentration, the coercivity increased. Moreover, as the Dy concentration increased, the magnetic behaviour of the two-phase Nd(Dy)FeB alloys became more sensitive to heat treatment conditions.",

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N2 - The structure and magnetic properties of mechanically milled (Nd1-xDyx)(8)Fe88B4(x = 0-1) have been investigated. It was found that suitably annealed samples consisted of a nanocrystalline mixture of magnetically soft alpha-Fe and hard (Nd,Dy)(2)Fe14B. Optimally annealed samples exhibited remanence enhancement and single-phase magnetic behaviour. due to exchange interactions between hard and soft phases. Whilst the remanence decreased with increasing Dy concentration, the coercivity increased. Moreover, as the Dy concentration increased, the magnetic behaviour of the two-phase Nd(Dy)FeB alloys became more sensitive to heat treatment conditions.

AB - The structure and magnetic properties of mechanically milled (Nd1-xDyx)(8)Fe88B4(x = 0-1) have been investigated. It was found that suitably annealed samples consisted of a nanocrystalline mixture of magnetically soft alpha-Fe and hard (Nd,Dy)(2)Fe14B. Optimally annealed samples exhibited remanence enhancement and single-phase magnetic behaviour. due to exchange interactions between hard and soft phases. Whilst the remanence decreased with increasing Dy concentration, the coercivity increased. Moreover, as the Dy concentration increased, the magnetic behaviour of the two-phase Nd(Dy)FeB alloys became more sensitive to heat treatment conditions.

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DO - 10.1016/S0304-8853(97)00137-6

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10.1016/S0304-8853(97)00137-6