A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
POROUS LAYERED CERAMIC AND METHOD FOR MANUFACTURING SAME
Provided is a porous layered ceramic which can reduce pressure loss in fluid. The present invention relates to a porous layered ceramic having a first porous layer and a second porous layer in contact with the top of the first porous layer or layered via air, wherein: a portion of the second porous layer is layered to contact the top of the first porous layer; both the first porous layer and the second porous layer contain metal oxides; the ratio Da/Db of an average pore diameter Da of the first porous layer to an average pore diameter Db of the second porous layer is 10 or more; and the proportion of a region, in which the distance between the first porous layer and the second porous layer is less than 1 micron, is 70% or less.
本发明提供能够减少流体的压力损失的多孔质陶瓷层叠体。本发明涉及一种多孔质陶瓷层叠体，其具有第一多孔质层和第二多孔质层，上述第二多孔质层接触地或隔着空气层叠于上述第一多孔质层之上，其中，上述第二多孔质层的一部分接触地层叠于上述第一多孔质层之上，上述第一多孔质层和上述第二多孔质层均包含金属氧化物，上述第一多孔质层的平均细孔径Da与上述第二多孔质层的平均细孔径Db之比Da/Db为10以上，上述第一多孔质层与上述第二多孔质层的距离小于1μm的部分之比例为70％以下。
POROUS LAYERED CERAMIC AND METHOD FOR MANUFACTURING SAME
Provided is a porous layered ceramic which can reduce pressure loss in fluid. The present invention relates to a porous layered ceramic having a first porous layer and a second porous layer in contact with the top of the first porous layer or layered via air, wherein: a portion of the second porous layer is layered to contact the top of the first porous layer; both the first porous layer and the second porous layer contain metal oxides; the ratio Da/Db of an average pore diameter Da of the first porous layer to an average pore diameter Db of the second porous layer is 10 or more; and the proportion of a region, in which the distance between the first porous layer and the second porous layer is less than 1 micron, is 70% or less.
本发明提供能够减少流体的压力损失的多孔质陶瓷层叠体。本发明涉及一种多孔质陶瓷层叠体，其具有第一多孔质层和第二多孔质层，上述第二多孔质层接触地或隔着空气层叠于上述第一多孔质层之上，其中，上述第二多孔质层的一部分接触地层叠于上述第一多孔质层之上，上述第一多孔质层和上述第二多孔质层均包含金属氧化物，上述第一多孔质层的平均细孔径Da与上述第二多孔质层的平均细孔径Db之比Da/Db为10以上，上述第一多孔质层与上述第二多孔质层的距离小于1μm的部分之比例为70％以下。
POROUS LAYERED CERAMIC AND METHOD FOR MANUFACTURING SAME
多孔质陶瓷层叠体以及其制造方法
NASU TOMOMICHI (author) / NAKAYAMA ATSUSHI (author) / UOE KOUSUKE (author)
2021-05-14
Patent
Electronic Resource
Chinese
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