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Structure, thermal stability and magnetostriction of melt-spun Nd(Fe1-xCox)1.93 ribbons by L. Zhai; H.H. Ding; Y.D. Liu; Y.G. Shi; S.L. Tang is a Materials Science article available to read on EtoBox.

What is Structure, thermal stability and magnetostriction of melt-spun Nd(Fe1-xCox)1.93 ribbons about?

Nd-containing rare-earth-iron magnetostrictive compounds are of interest but cannot be synthesized by the conventional method when the concentration of Nd is high. Here we present an investigation of the structure, thermal stability, and magnetostriction of Nd(Fe1-xCox)1.93 ribbons prepared by melt-spinning. When the Co concentration decreases, the crystallization temperature of the ribbons increases, but the decomposition temperature decreases. Single-phase alloys with x ≥ 0.1 were obtained by annealing their ribbons between the crystallization and decomposition temperatures. With increasing x, the lattice parameter declines, while the Curie temperature and saturation magnetization reach their maximum at x = 0.2. The magnetostriction of epoxy-bonded Nd(Fe1-xCox)1.93 ribbons is slightly larger than that of those prepared by high-pressure annealing. It suggests that Nd(Fe0.7Co0.3)1.93 might be a promising and inexpensive 〈100〉 terminal compound for anisotropic compensation systems. Furthermore, this study discussed why these compounds can be prepared by melt-spinning but not by annealing their ingots, and it offers a facile and low-cost method for synthesizing high-Nd content Laves

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Author

L. Zhai; H.H. Ding; Y.D. Liu; Y.G. Shi; S.L. Tang

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Materials Science (Physical Sciences)