A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
CERAMIC HOLE-FORMING PARTICLE MATERIAL, CERAMIC BODY FORMING MATERIAL AND MANUFACTURING METHOD OF CERAMIC BODY WITH HOLES
To provide a ceramic hole-forming particle material that can form uniform holes in a ceramic body and can effectively suppress the reduction of strength of ceramic body, when used as a raw material of ceramic body.SOLUTION: Ceramic hole-forming particles according to the present invention include a plurality of particles, in which an average compressive elasticity modulus when compressing the particles up to 20% at 25°C is not less than 2000 N/mm, and an average compression recovery rate of the particles is not less than 50%. The ceramic hole-forming particles do not include coarse particles having a particle size not less than 1.7-fold of the average particle diameter of the particles, or the ceramic hole-forming particles include 0.0002% or less of the coarse particles having the particle size not less than 1.7-fold of the average particle diameter of the particles in 100% of the total number of the particles.SELECTED DRAWING: Figure 1
【課題】セラミック体の原料として用いた場合に、セラミック体に均一な空孔を形成することができ、かつ、セラミック体の強度の低下を効果的に抑制することができるセラミック造孔用粒子材を提供する。【解決手段】本発明に係るセラミック造孔用粒子は、複数の粒子を含み、前記粒子の２５℃における２０％圧縮したときの平均圧縮弾性率が、２０００Ｎ／ｍｍ２以上であり、かつ、前記粒子の平均圧縮回復率が、５０％以上であり、前記粒子の平均粒子径の１．７倍以上の粒子径を有する粗大粒子を含まないか、又は、前記粒子の全個数１００％中、前記粒子の平均粒子径の１．７倍以上の粒子径を有する粗大粒子を０．０００２％以下で含む。【選択図】図１
CERAMIC HOLE-FORMING PARTICLE MATERIAL, CERAMIC BODY FORMING MATERIAL AND MANUFACTURING METHOD OF CERAMIC BODY WITH HOLES
To provide a ceramic hole-forming particle material that can form uniform holes in a ceramic body and can effectively suppress the reduction of strength of ceramic body, when used as a raw material of ceramic body.SOLUTION: Ceramic hole-forming particles according to the present invention include a plurality of particles, in which an average compressive elasticity modulus when compressing the particles up to 20% at 25°C is not less than 2000 N/mm, and an average compression recovery rate of the particles is not less than 50%. The ceramic hole-forming particles do not include coarse particles having a particle size not less than 1.7-fold of the average particle diameter of the particles, or the ceramic hole-forming particles include 0.0002% or less of the coarse particles having the particle size not less than 1.7-fold of the average particle diameter of the particles in 100% of the total number of the particles.SELECTED DRAWING: Figure 1
【課題】セラミック体の原料として用いた場合に、セラミック体に均一な空孔を形成することができ、かつ、セラミック体の強度の低下を効果的に抑制することができるセラミック造孔用粒子材を提供する。【解決手段】本発明に係るセラミック造孔用粒子は、複数の粒子を含み、前記粒子の２５℃における２０％圧縮したときの平均圧縮弾性率が、２０００Ｎ／ｍｍ２以上であり、かつ、前記粒子の平均圧縮回復率が、５０％以上であり、前記粒子の平均粒子径の１．７倍以上の粒子径を有する粗大粒子を含まないか、又は、前記粒子の全個数１００％中、前記粒子の平均粒子径の１．７倍以上の粒子径を有する粗大粒子を０．０００２％以下で含む。【選択図】図１
CERAMIC HOLE-FORMING PARTICLE MATERIAL, CERAMIC BODY FORMING MATERIAL AND MANUFACTURING METHOD OF CERAMIC BODY WITH HOLES
セラミック造孔用粒子材、セラミック体形成用材料及び空孔を有するセラミック体の製造方法
UEDA SAORI (author) / YAMADA YASUYUKI (author)
2019-11-28
Patent
Electronic Resource
Japanese
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