Multi-magnetic phase behaviour of the Nd60Fe30Al10 amorphous hard magnetic alloy

Dan, Nguyen Huy; Phuc, N.X.; Hong, Nguyen Minh; Ding, J.; Givord, D.

doi:10.1016/s0304-8853(00)00938-0

Cited by 29 publications

(19 citation statements)

References 3 publications

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“…The EDX analysis of species (1) with 12 at.% Nd are relevant of 2/14/1 and confirmed by the Fourier transform image analysis. Species (2) with Nd content of 30 at.% is consistent with the 6/14 composition. The crystallite sizes are in agreement with those evaluated by XRD on the crystalline phases (D > 10 nm).…”

Section: Resultssupporting

confidence: 75%

“…Since the first success of Inoue et al for preparing ferromagnetic bulk amorphous alloys in Nd-Fe-Al system over a wide range of composition [1], extensive works have been devoted to Nd enriched alloys by melt-spinning [2][3][4] or suction casting [5,6]. This new class of bulk amorphous materials has attracted much interest for their physical properties.…”

Section: Introductionmentioning

confidence: 99%

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Coercivity of nanocrystalline Nd–Fe–Co–Al–B alloys with low rare-earth content

Bessaïs

Djéga‐Mariadassou

et al. 2006

Journal of Alloys and Compounds

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Section: Resultssupporting

confidence: 75%

Section: Introductionmentioning

confidence: 99%

Coercivity of nanocrystalline Nd–Fe–Co–Al–B alloys with low rare-earth content

Bessaïs

Djéga‐Mariadassou

et al. 2006

Journal of Alloys and Compounds

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“…[16, [78][79][80] This is because the condition of large impediments and narrow domain walls (small d) are easily favored by the inhomogeneous structures and the large RMA in Nd-based alloys. Generally, the exchange-coupling interactions of the magnetic clusters with the RMA determine the coercivity in the high-temperature region.…”

Section: Hard Magnetic Properties Of Nd(pr Sm)-based Bmgsmentioning

confidence: 99%

Bulk Metallic Glasses with Functional Physical Properties

2009

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In this review, we report on the formation of a variety of novel, metallic, glassy materials that might well have applications as functional materials. The metallic glasses, with excellent glass‐forming ability, display many fascinating properties and features such as excellent wave‐absorption ability, exceptionally low glass‐transition temperatures (∼35–60 °C) approaching room temperature, ultralow elastic moduli comparable to that of human bone, high elasticity and high strength, superplasticity and polymer‐like thermoplastic formability near room temperature, an excellent magnetocaloric effect, hard magnetism and tunable magnetic properties, heavy‐fermion behavior, superhydrophobicity and superoleophobicity, and polyamorphism, all of which are of interest not only for basic research but also for technological applications. A strategy based on elastic‐moduli correlations for fabrication of bulk metallic glasses (BMGs) with controllable properties is presented. The work has implications in the search for novel metallic glasses with unique functional properties, for advancing our understanding of the nature and formation of glasses, and for extending the applications of the materials.

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“…Table 1 summarizes the magnetic properties of the Nd-based amorphous alloy [11] and the Fe 53 Nd 37 Al 10 alloy studied. To explain the hard magnetic properties of Nd-based bulk amorphous alloys, magnetic exchange coupling interaction between metastable magnetic ordered clusters with large random anisotropy [3,4], or the pinning of domain walls [5,6] has been suggested. In order to interpret the coercivity mechanism of the Fe 53 Nd 37 Al 10 ribbons, the microstructure of the Fe 53 Nd 37 Al 10 as-cast sheet and melt-spun ribbons will be observed by TEM and HRTEM.…”

Section: Resultsmentioning

confidence: 99%

“…The hard magnetic property of the bulk amorphous form of materials is attracting a number of researchers [1][2][3][4][5][6] by virtue of both the application potential and the nature of the hard magnetic mechanism. However, the low saturation magnetization and remanence of Nd-Fe-Al alloy and the high cost of rare earths restrict its application.…”

Section: Introductionmentioning

confidence: 99%