Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Effects of $Ti^{+4}$ Addition to Ni-Cu-Co Ferrite on Microstructure, Magnetocrystalline Anisotropy and Magnetostriction

$Ti^{+4}$의 첨가가 Ni-Cu-Co Ferrite의 미세구조, 자기이방성, 자왜특성에 미치는 영향

  • Published : 1979.04.01
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Abstract

The effect of $Ti^{+4}$ addition on the sinterability, microstructure, and temperature dependence of electromechanical coupling factor of magnetostrictive Ni-Cu-Co ferrite was investigated. The density of Ni-Cu-Co ferrite slightly increased by 2.0 mole % addition of either $TiO_2$ or $Fe_2TiO_4$, but tended to decrease by more than 2.0 mole % addition of $TiO_2$ or $Fe_2TiO_4$. As the content of either $TiO_2$ or $Fe_2TiO_4$ increased, the magnetocrystalline anisotropy compensation temperature also increased. Microstructure studies showed the stable grains when Ni-Cu-Co ferrite was sintered above 1, 20$0^{\circ}C$.

Keywords

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