A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
REFRACTORY CERAMIC AGGREGATE AND PRODUCTION METHOD THEREOF
PROBLEM TO BE SOLVED: To provide a refractory ceramic aggregate that enables refractory to exert excellent spalling resistance.SOLUTION: The refractory ceramic aggregate is constituted so as to satisfy that a) it is composed of a chemical composition containing AlOof 50 wt.% or more, SiOof 50 wt.% or less, and the impurity of 10 wt.% or less, b) it has column shape in which the length in major axial direction L: is 100 mm or less, the length in minor axial direction D: is 3 mm or more, and the aspect ratio L/D: is 1.5 or more, and c) the surface roughness Ra: is 10 μm or less, and the maximum height: Ry is 100 μm or less.
【課題】耐火物において優れた耐スポーリング性を発揮させることが出来る耐火物用セラミック骨材を提供すること。【解決手段】ａ）Ａｌ2Ｏ3が５０重量％以上であり、ＳｉＯ2が５０重量％以下であり、不純物が１０重量％以下である化学組成からなり、ｂ）長軸方向の長さ：Ｌが１００ｍｍ以下であり、短軸方向の長さ：Ｄが３ｍｍ以上であり、アスペクト比：Ｌ／Ｄが１．５以上である柱状を呈し、ｃ）表面粗さ：Ｒａが１０μｍ以下であり、最大高さ：Ｒｙが１００μｍ以下となるように、耐火物用セラミック骨材を構成した。【選択図】なし
REFRACTORY CERAMIC AGGREGATE AND PRODUCTION METHOD THEREOF
PROBLEM TO BE SOLVED: To provide a refractory ceramic aggregate that enables refractory to exert excellent spalling resistance.SOLUTION: The refractory ceramic aggregate is constituted so as to satisfy that a) it is composed of a chemical composition containing AlOof 50 wt.% or more, SiOof 50 wt.% or less, and the impurity of 10 wt.% or less, b) it has column shape in which the length in major axial direction L: is 100 mm or less, the length in minor axial direction D: is 3 mm or more, and the aspect ratio L/D: is 1.5 or more, and c) the surface roughness Ra: is 10 μm or less, and the maximum height: Ry is 100 μm or less.
【課題】耐火物において優れた耐スポーリング性を発揮させることが出来る耐火物用セラミック骨材を提供すること。【解決手段】ａ）Ａｌ2Ｏ3が５０重量％以上であり、ＳｉＯ2が５０重量％以下であり、不純物が１０重量％以下である化学組成からなり、ｂ）長軸方向の長さ：Ｌが１００ｍｍ以下であり、短軸方向の長さ：Ｄが３ｍｍ以上であり、アスペクト比：Ｌ／Ｄが１．５以上である柱状を呈し、ｃ）表面粗さ：Ｒａが１０μｍ以下であり、最大高さ：Ｒｙが１００μｍ以下となるように、耐火物用セラミック骨材を構成した。【選択図】なし
REFRACTORY CERAMIC AGGREGATE AND PRODUCTION METHOD THEREOF
耐火物用セラミック骨材及びその製造方法
KONO SEIICHIRO (author) / EZOE MASANOBU (author) / OBANA TOYOYASU (author) / AOYAMA NORIHISA (author) / MUTOU DAIMU (author) / TAKAI YOSUKE (author)
2015-11-16
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
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