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GLASS COATING SOLUTION, METHOD FOR MANUFACTURING CERAMIC ARTICLE, AND CERAMIC ARTICLE
To provide a glass coating solution for forming a liquid-tight glass coating layer on a surface of a porous ceramic substrate even when the glass coating solution is applied to the substrate surface, which has a porosity K (%) of 50% or more.SOLUTION: A glass coating solution 30 is applied to a substrate surface 10a of a porous ceramic substrate 10 having a porosity K (%) of 50% or more and an average pore diameter of A (μm). Then, it is sintered to form a liquid-tight glass coating layer 20 on the substrate surface 10a. Glass raw material particles 31 are contained in the glass coating solution 30, and sintered to form the glass coating layer 20. The glass raw material particles have a particle diameter D10 (μm) of D10≥A/20.SELECTED DRAWING: Figure 2
【課題】気孔率Ｋ（％）が５０％以上の多孔質セラミック基体の基体表面に塗布しても、基体表面上に液密なガラスコーティング層を形成できるガラスコーティング液等を提供すること。【解決手段】気孔率Ｋ（％）が５０％以上で平均細孔径がＡ（μｍ）である多孔質セラミック基体１０の基体表面１０ａに塗布した後に焼成して、基体表面１０ａ上に液密なガラスコーティング層２０を形成するガラスコーティング液３０は、このガラスコーティング液３０に含まれ、焼成によりガラスコーティング層２０となるガラス原料粒子３１の粒径Ｄ１０（μｍ）が、Ｄ１０≧Ａ／２０である。【選択図】図２
GLASS COATING SOLUTION, METHOD FOR MANUFACTURING CERAMIC ARTICLE, AND CERAMIC ARTICLE
To provide a glass coating solution for forming a liquid-tight glass coating layer on a surface of a porous ceramic substrate even when the glass coating solution is applied to the substrate surface, which has a porosity K (%) of 50% or more.SOLUTION: A glass coating solution 30 is applied to a substrate surface 10a of a porous ceramic substrate 10 having a porosity K (%) of 50% or more and an average pore diameter of A (μm). Then, it is sintered to form a liquid-tight glass coating layer 20 on the substrate surface 10a. Glass raw material particles 31 are contained in the glass coating solution 30, and sintered to form the glass coating layer 20. The glass raw material particles have a particle diameter D10 (μm) of D10≥A/20.SELECTED DRAWING: Figure 2
【課題】気孔率Ｋ（％）が５０％以上の多孔質セラミック基体の基体表面に塗布しても、基体表面上に液密なガラスコーティング層を形成できるガラスコーティング液等を提供すること。【解決手段】気孔率Ｋ（％）が５０％以上で平均細孔径がＡ（μｍ）である多孔質セラミック基体１０の基体表面１０ａに塗布した後に焼成して、基体表面１０ａ上に液密なガラスコーティング層２０を形成するガラスコーティング液３０は、このガラスコーティング液３０に含まれ、焼成によりガラスコーティング層２０となるガラス原料粒子３１の粒径Ｄ１０（μｍ）が、Ｄ１０≧Ａ／２０である。【選択図】図２
GLASS COATING SOLUTION, METHOD FOR MANUFACTURING CERAMIC ARTICLE, AND CERAMIC ARTICLE
ガラスコーティング液、セラミック製物品の製造方法及びセラミック製物品
YOSHIKAWA HIROSHI (author)
2020-03-19
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
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