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A platform for research: civil engineering, architecture and urbanism
Provided are composite oxide particles that are spherical, are highly crystalline, have a whitish appearance, and have a low coefficient of thermal expansion. The composite oxide particles according to the present invention are polycrystalline, the main crystal phase contains at least one of cordierite and indialite, and the coefficient of thermal expansion by the TMA method is 1.5 ppm or less.
L'invention concerne des particules d'oxyde composite qui sont sphériques, hautement cristallines, ont un aspect blanchâtre, et ont un faible coefficient de dilatation thermique. Les particules d'oxyde composite selon la présente invention sont polycristallines, la phase cristalline principale contient de la cordiérite et/ou de l'indialite, et le coefficient de dilatation thermique par le procédé TMA est de 1,5 ppm ou moins.
球状で高結晶性であり、白味を帯びており、低熱膨張率である複合酸化物粒子を提供する。 本発明に係る複合酸化物粒子は、多結晶であり、かつ主結晶相がコージェライトおよびインディアライトの少なくとも一方を含み、ＴＭＡ法による熱膨張率が１．５ｐｐｍ以下である。
Provided are composite oxide particles that are spherical, are highly crystalline, have a whitish appearance, and have a low coefficient of thermal expansion. The composite oxide particles according to the present invention are polycrystalline, the main crystal phase contains at least one of cordierite and indialite, and the coefficient of thermal expansion by the TMA method is 1.5 ppm or less.
L'invention concerne des particules d'oxyde composite qui sont sphériques, hautement cristallines, ont un aspect blanchâtre, et ont un faible coefficient de dilatation thermique. Les particules d'oxyde composite selon la présente invention sont polycristallines, la phase cristalline principale contient de la cordiérite et/ou de l'indialite, et le coefficient de dilatation thermique par le procédé TMA est de 1,5 ppm ou moins.
球状で高結晶性であり、白味を帯びており、低熱膨張率である複合酸化物粒子を提供する。 本発明に係る複合酸化物粒子は、多結晶であり、かつ主結晶相がコージェライトおよびインディアライトの少なくとも一方を含み、ＴＭＡ法による熱膨張率が１．５ｐｐｍ以下である。
COMPOSITE OXIDE PARTICLES
PARTICULES D'OXYDE COMPOSITE
複合酸化物粒子
NAKATA KUNIHIKO (author)
2024-10-03
Patent
Electronic Resource
Japanese
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