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首页> 外文期刊>日本セラミックス協会学術論文誌 >Effects of Particle Size on Sintering and Electrical Characteristics of Ni Powder for Internal Electrode of MLC
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Effects of Particle Size on Sintering and Electrical Characteristics of Ni Powder for Internal Electrode of MLC

机译：粒度对MLC内电极Ni粉烧结及电学性能的影响

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摘要

We evaluated the characteristics of Ni powder used in the fabrication of internal electrodes of multilayer ceramic chip capacitors (MLCs) - The effects of particle diameter on the sintering characteristics of Ni powder for use as electrode films were studied. A high tapping density was obtained for all pulverized Ni powders with on average particle diameter of 0.1, 0.2 and 0.4 #mu#m. The experimental results revealed that pulverized Ni powders were homogeneously dispersed in the paste. From shrinkage measurements in Ni electrode films with thickness of approximately 200 #mu#m, which were formed by an applicator and sintered at temperatures from 400 to 1000 deg C, it was observed that films composed of 0.1 #mu#m and 0.2 #mu#m Ni powders showed a larger shrinkage than that from 0.4 #mu#m Ni powder. A similar result has been observed for the microstructure of sintered electrode films
机译：我们评估了多层陶瓷片状电容器（MLC）的内部电极制造中所用的镍粉的特性-研究了粒径对用作电极膜的镍粉烧结特性的影响。对于平均粒径为0.1、0.2和0.4μμm的所有Ni粉末，均获得了高振实密度。实验结果表明，粉碎的Ni粉均匀地分散在糊剂中。通过在由涂覆器形成并在400至1000℃的温度下烧结的厚度为约200＃μm的Ni电极膜上的收缩测量，观察到由0.1μm和0.2μm组成的膜。 #m Ni粉末显示出比0.4＃mu＃m Ni粉末更大的收缩率。对于烧结电极膜的微观结构也观察到了相似的结果

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