多層スラリーキャスト法による円筒型SOFC用YSZ/NiO-YSZ二層管の作製

概要

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A YSZ/NiO-YSZ two-layer ceramic for a tubular SOFC was fabricated by the MSC (Multilayer Slurry Casting) process. Carbon powder was added to NiO-YSZ slurries to prevent the fracture of the two-layer ceramic during co-sintering. The shrinkage and porosity of NiO-YSZ layers were affected by the carbon content in the slurry. The optimum two-layer ceramic was obtained with the addition of 12 wt% carbon powder. Fracture of the two-layer ceramic was observed during co-sintering in case of a lower carbon content than this, while the addition of excess carbon powder caused cracking in the two-layer ceramic green body during drying in an ambient atmosphere.
社団法人日本セラミックス協会の論文
1993-04-01