Structural, magnetic, and magnetostrictive properties of Laves (Tb0.3Dy0.7)1-xPrxFe1.55 (0 ≤ x ≤ 0.4) alloys

Xiangke Lv, Siu Wing Or, Wei Liu, Xionghua Liu, Zhidong Zhang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

11 Citations (Scopus)

Abstract

Stabilizer (B, Co)-free, light rare earth (Pr)-substituted Laves alloys (Tb0.3Dy0.7)1-xPrxFe1.55(0 ≤ x ≤ 0.4) are synthesized, and their structural, magnetic, and magnetostrictive properties are investigated. X-ray diffraction analysis confirms the presence of single cubic Laves phase with an MgCu2-type structure in the (Tb0.3Dy0.7)1-xPrxFe1.55alloys with 0 ≤ x ≤ 0.35. The lattice parameter a of the Laves phase increases, while the Curie temperature decreases, with increasing x from 0 to 0.35. The saturation magnetization of the alloys decreases with increasing x. The linear anisotropic magnetostriction λa(=λ||- λ⊥) shows a maximum of 1502 ppm at x = 0.25 as a result of the magnetocrystalline anisotropy compensation.
Original languageEnglish
Pages (from-to)24-27
Number of pages4
JournalJournal of Alloys and Compounds
Volume476
Issue number1-2
DOIs
Publication statusPublished - 12 May 2009

Keywords

  • Alloys and compounds
  • Laves phase
  • Light rare earths
  • Magnetocrystalline anisotropy
  • Magnetostriction
  • Terfenol-D

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Chemistry
  • Metals and Alloys

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