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Magnetocaloric and Hopkinson effects in slowly and rapidly cooled Gd7Pd3

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Published/Copyright: January 11, 2016
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 107 Issue 1

Abstract

Gd7Pd3 intermetallic compound was prepared as slowly cooled polycrystal and rapidly cooled (rc) casts. The slowly cooled polycrystalline samples were obtained by melting in an induction coil. The rc-cast Gd7Pd3 sample was obtained by means of a mould casting technique. The samples were characterized by means of X-ray diffraction, SQUID magnetometry and scanning electron microscopy in order to elucidate the Hopkinson effect and magnetocaloric properties in relation to the technological aspects. The investigated ferromagnetic system is sensitive to grain size. The magnetocaloric and Hopkinson effect decreases with the decrease of the grain size. The results were compared to the data of single crystal obtained by the Czochralski method from a levitating melt.

Keywords: Rare-earth intermetallic compound; Anisotropy; Magnetocaloric effect; Hopkinson effect
*Correspondence address, Prof. Ewa Talik, Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland. Tel.: +48323591187, Fax: +48322588431, E-mail:

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Received: 2015-07-15
Accepted: 2015-09-04
Published Online: 2016-01-11
Published in Print: 2016-01-08

© 2016, Carl Hanser Verlag, München

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  3. Original Contributions
  4. Magnetocaloric and Hopkinson effects in slowly and rapidly cooled Gd7Pd3
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  6. The 600°C and 800°C isothermal sections of the Zn–V–Sb system
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  11. Strong cellular lattices with nitro-carburized stainless steel hollow trusses
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https://doi.org/10.3139/146.111318
Keywords for this article
Rare-earth intermetallic compound; Anisotropy; Magnetocaloric effect; Hopkinson effect

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Magnetocaloric and Hopkinson effects in slowly and rapidly cooled Gd7Pd3
  5. Enthalpies of mixing in binary Fe–Sb, Ce–Fe and ternary Ce–Fe–Sb liquid alloys
  6. The 600°C and 800°C isothermal sections of the Zn–V–Sb system
  7. Effect of heat treatment on the microstructure and dielectric properties of plasma-sprayed barium titanate films
  8. Effect of treating method on the physicochemical properties of amine-functionalized carbon nanotubes
  9. A new constitutive approach to large strain plastic deformation
  10. Effect of sintering parameters on mechanical properties and microstructures of B4C/TiB2 ceramic composites
  11. Strong cellular lattices with nitro-carburized stainless steel hollow trusses
  12. Study and analysis of mechanical and viscoelastic behavior in flexure of laminated composites
  13. Wear behavior of Ni/WC surface-infiltrated composite coating on copper substrate
  14. DGM News
  15. DGM News
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