Observation of the Segregation Behavior of Ca in the Sintering Process of MnZn Ferrite

机译：MnZn铁氧体烧结过程中Ca偏析行为的观察

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Dissolution and segregation behavior of Ca in the sintering process of MnZn ferrite were investigated by microstructure analysis. It was revealed that, as the temperature rises to above 1000°C, Ca dissolves to the spinel lattice and disperses uniformly in the ferrite at the soaking step. Ca begins to segregate to the grain boundaries in the cooling process, and the segregation proceeds below 1100°C rather than above. This suggests that control of the cooling in this temperature range is of great importance for the formation of high-resistivity grain boundaries and lowering the core loss.

机译：通过显微组织分析研究了钙在锰锌铁氧体烧结过程中的溶解和偏析行为。结果表明，当温度升高到1000℃以上时，Ca溶解到尖晶石晶格中，并在均热步骤中均匀地分散在铁素体中。 Ca在冷却过程中开始偏析到晶界，并且偏析在低于1100℃而不是高于1100℃下进行。这表明在该温度范围内控制冷却对于形成高电阻率晶界和降低铁损至关重要。

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《The 10th International Conference on Ferrites（2008中国国际铁氧体研讨会）论文集》|2008年|208-211|共4页
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S.L.Che; M.Watanabe; K.Mori; N.Sato; T.Aoki; T.Murase;
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MnZn ferrite; grain boundary; calcium; segregation;

机译：锰锌铁素体;晶界;钙;偏析;

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Observation of the Segregation Behavior of Ca in the Sintering Process of MnZn Ferrite

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