The Effects of Sintering Temperature on the Properties of Mg-Mn-Zn Ferrites

Ji Wei Fan; Wen Qing Li; Hui Jun Zhao; Xiao Li Zhang; Zhen Guo Zhang

doi:10.4028/www.scientific.net/AMR.680.31

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 680The Effects of Sintering Temperature on the...

The Effects of Sintering Temperature on the Properties of Mg-Mn-Zn Ferrites

Abstract:

The present work shows the results of investigation on the effects of sintering temperatures of (Mg0.25Mn0.1Zn0.65)Fe2O4 ferrite on its sintered density, initial permeabilty, resistivity and microstructure. To achieve better sintered density and initial permeabilty, the sintering temperature should be ≥1200oC. However, the higher sintering temperature results in larger the grain size, which causes the reduction of the resistivities of Mg-Mn-Zn ferrites. Furthermore, the resistivities of samples are environmental temperature sensitive, and possibly possess the similar function of NTC thermistor over the testing range 25-225oC.

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Periodical:

Advanced Materials Research (Volume 680)

Pages:

31-34

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.680.31

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Online since:

April 2013

Authors:

Ji Wei Fan, Wen Qing Li, Hui Jun Zhao, Xiao Li Zhang, Zhen Guo Zhang

Keywords:

Initial Permeability, Mg-Mn-Zn Ferrite, Microstructure, Resistivity, Sintering Temperature

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