METHOD FOR MANUFACTURING POROUS CERAMIC BODY AND POROUS CERAMIC INTERMEDIATE BODY: Fid-Bau Portal

METHOD FOR MANUFACTURING POROUS CERAMIC BODY AND POROUS CERAMIC INTERMEDIATE BODY

YAGI SHINTARO / KIUCHI KATSUMASA / AIBA SHOHEI

To provide a method for manufacturing a porous ceramic body, capable of manufacturing the porous ceramic body with high yield, and to provide a porous ceramic intermediate body.SOLUTION: An operator first performs a paper-making process in which organic fibers are strained from a raw material solution containing the organic fibers to form a ceramic paper 200. In this case, the raw material solution contains a thermoplastic material that softens or melts when heat is applied and solidifies when temperature is lowered. Next, the operator applies heat and pressure to the ceramic paper 200 and presses it to perform a planarization process. Next, the operator conducts an intermediate body-forming step for applying heat and pressure to a laminate of ceramic papers 200 to soften the thermoplastic material to obtain a porous ceramic intermediate body 300, in which the ceramic papers 200 adjacent to each other are bonded together. Next, the operator conducts a firing step for firing the porous ceramic intermediate body 300 to obtain a porous ceramic body 100.SELECTED DRAWING: Figure 3

【課題】歩留まり良く製造することができる多孔質セラミック体の製造方法および多孔質セラミック中間体を提供する。【解決手段】作業者は、まず、有機繊維を含む原料液から有機繊維を濾し取ってセラミックペーパ２００を抄造するペーパ抄造工程を行う。この場合、原料液には、熱を加えることで軟化または溶融するとともに温度の低下によって固化する熱可塑性材料を含んでいる。次に、作業者は、セラミックペーパ２００に熱および圧力を加えてプレスして平坦化工程を行う。次に、作業者は、セラミックペーパ２００を積層した積層物に熱および圧力を加えることで熱可塑性材料を軟化させて互いに隣接するセラミックペーパ２００同士を接合させた多孔質セラミック中間体３００を得る中間体形成工程を行う。次に、作業者は、多孔質セラミック中間体３００を焼成して多孔質セラミック体１００を得る焼成工程を行う。【選択図】図３

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