BaTiO_3の添加量及び粒径がニッケル電極ペーストに及ぼす影響

概要

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To investigate the appropriate particle size and addition amounts of BaTiO_3 for developing thin-film Ni electrodes, the effects of the changes in the particle size and addition amounts of BaTiO_3 in Ni electrode paste film was studied. From the relationship between particle sizes of Ni and BaTiO_3 to increase dry film density, it was found that BaTiO_3 with a particle size 0.225 times as large as Ni particles could be tolerated from theoretical considerations and measured data. From the relationship between addition amounts and dry film density where Ni powder with a particle size of 0.4 μm and BaTiO_3 with a particle size of 0.1 μm were used, addition amounts up to 7.5 mass% could increase dry film density without decreasing Ni density. The Ni density invariably decreased with different addition amounts (7.5 mass% to 20 mass%). It was also found that BaTiO_3 addition considerably suppressed shrinkage and that the suppressing effect of the addition amount of 7.5 mass% was slightly smaller, while the effect was mostly invariable with larger addition amounts.
社団法人日本セラミックス協会の論文
2007-03-01