Magnetic hardening of Zr2Co11:(Ti, Si) nanomaterials

W. Y. Zhang, S. Valloppilly, X. Z. Li, Y. Liu, S. Michalski, T. A. George, R. Skomski, D. J. Sellmyer

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

The role of Ti and Si additions in the magnetic hardening of rapidly-quenched Zr2Co11-based nanomaterials has been investigated. Nanocrystalline Zr17-xTi xCo83 and Zr18Co82- ySiy are mainly composed of rhombohedral Zr 2Co11 and a small amount of orthorhombic Zr 2Co11, hcp Co and cubic Zr6Co23. Ti addition decreases the mean grain size of the magnetic phases, and thus increases coercivity and energy product from 1.6 kOe and 1.9 MGOe for x = 0 to 2.6 kOe and 3.9 MGOe for x = 2, respectively. Si addition enhances the anisotropy field of the hard phase which increases the coercivity but slightly decreases the magnetization. This work shows that Ti has a positive effect on energy product through refinement of structure.

Original languageEnglish (US)
Pages (from-to)578-581
Number of pages4
JournalJournal of Alloys and Compounds
Volume587
DOIs
StatePublished - Jan 1 2014

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Coercive force
Nanostructured materials
Hardening
Magnetization
Anisotropy

Keywords

  • Magnetic hardening
  • Magnetic property
  • Nanomaterial
  • Nanostructure

ASJC Scopus subject areas

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

Cite this

Zhang, W. Y., Valloppilly, S., Li, X. Z., Liu, Y., Michalski, S., George, T. A., ... Sellmyer, D. J. (2014). Magnetic hardening of Zr2Co11:(Ti, Si) nanomaterials. Journal of Alloys and Compounds, 587, 578-581. https://doi.org/10.1016/j.jallcom.2013.10.234

Magnetic hardening of Zr2Co11:(Ti, Si) nanomaterials. / Zhang, W. Y.; Valloppilly, S.; Li, X. Z.; Liu, Y.; Michalski, S.; George, T. A.; Skomski, R.; Sellmyer, D. J.

In: Journal of Alloys and Compounds, Vol. 587, 01.01.2014, p. 578-581.

Research output: Contribution to journalArticle

Zhang, WY, Valloppilly, S, Li, XZ, Liu, Y, Michalski, S, George, TA, Skomski, R & Sellmyer, DJ 2014, 'Magnetic hardening of Zr2Co11:(Ti, Si) nanomaterials', Journal of Alloys and Compounds, vol. 587, pp. 578-581. https://doi.org/10.1016/j.jallcom.2013.10.234
Zhang WY, Valloppilly S, Li XZ, Liu Y, Michalski S, George TA et al. Magnetic hardening of Zr2Co11:(Ti, Si) nanomaterials. Journal of Alloys and Compounds. 2014 Jan 1;587:578-581. https://doi.org/10.1016/j.jallcom.2013.10.234
Zhang, W. Y. ; Valloppilly, S. ; Li, X. Z. ; Liu, Y. ; Michalski, S. ; George, T. A. ; Skomski, R. ; Sellmyer, D. J. / Magnetic hardening of Zr2Co11:(Ti, Si) nanomaterials. In: Journal of Alloys and Compounds. 2014 ; Vol. 587. pp. 578-581.
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