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Effect of sintering temperature on structural and magnetic properties of bulk Mg-ferrites

  • Shahida Akhter , Sheikh Manjura Hoque and Md. Abdul Hakim
Published/Copyright: October 4, 2019
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 110 Issue 10

Abstract

The present work focuses on the effect of sintering temperature on structural and magnetic properties of bulk MgFe2O4 ferrites prepared by the solid state reaction method and sintered at 1 200 °C, 1 300 °C and 1 400 °C. Single phase cubic spinel structure was confirmed by X-ray diffraction. The bulk density, grain size and initial permeability increase with sintering temperatures. Decrease of hysteresis loops with low coercivity was observed in B–H loop studies. Saturation magnetization increases with sintering temperature and a higher value of magnetization at 5 K than 300 K was observed. In this communication the change in properties of bulk Mg-ferrite due to sintering temperature is explained in detail.

Keywords: Ferrites; Double sintering; Grain size; Hysteresis loop; Magnetization
∗Correspondence address, Dr. Shahida Akhter, Professor, Department of Physics, University of Chittagong, Chittagong-4331, Bangladesh, Tel.: +88 01716143980, E-mail:

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Received: 2019-01-17
Accepted: 2019-05-10
Published Online: 2019-10-04
Published in Print: 2019-10-16

© 2019, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.111828
Keywords for this article
Ferrites; Double sintering; Grain size; Hysteresis loop; Magnetization

Articles in the same Issue

  1. Review
  2. Status and development of powder metallurgy nickel-based disk superalloys
  3. Original Contributions
  4. Numerical simulation and global heat transfer computations of thermoelastic stress in Cz silicon crystal
  5. Influence of inter-object relations on the microstructural evolution during hot upsetting of a steel billet determined by numerical simulation
  6. Structural and electrochemical properties of lithiated conical carbon nanotubes as anode materials for lithium ion accumulating systems
  7. Effect of nitrogen content on microstructure, mechanical properties, and corrosion behaviour of coarse-grained heat-affected zone of nitrogen-containing austenitic stainless steel
  8. The effect of thermomechanical treatment on the microstructure and mechanical properties of high Mn–Cr austenitic steels
  9. Effect of nanostructured Al on microstructure, microhardness and sliding wear behavior of Al–xGnP composites by powder metallurgy (PM) route
  10. Surface mechanical attrition treatment of commercially pure titanium by electromagnetic vibration
  11. High-temperature oxidation resistance behavior of porous Ni-16Cr-9Al materials
  12. Effect of sintering temperature on structural and magnetic properties of bulk Mg-ferrites
  13. Contents
  14. Contents
  15. DGM News
  16. DGM News
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