AGGREGATE PARTICLE AND METHOD FOR PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide an aggregate particle having remarkably high heat resistant temperature, not coloring a product, capable of being applied to a white electrocasting refractory casted at a melting temperature of 1,900°C or higher.SOLUTION: The aggregate particle contains AlOand SiOas...

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Bibliographic Details
Main Authors HAYASHI SHINYA, USHIMARU YUKIHIRO
Format Patent
LanguageEnglish
Published 21.03.2013
Subjects
ARTIFICIAL STONE
CASTING
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
FOUNDRY MOULDING
LIME, MAGNESIA
METALLURGY
PERFORMING OPERATIONS
POWDER METALLURGY
REFRACTORIES
SLAG
TRANSPORTING
TREATMENT OF NATURAL STONE
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Summary:PROBLEM TO BE SOLVED: To provide an aggregate particle having remarkably high heat resistant temperature, not coloring a product, capable of being applied to a white electrocasting refractory casted at a melting temperature of 1,900°C or higher.SOLUTION: The aggregate particle contains AlOand SiOas main chemical components, wherein a crystal phase is basically a corundum, and includes an amorphous phase whose main component is SiOother than the crystal phase. Here, that the aggregate particle contains AlOand SiOas the main components means to contain them 95% or more in the aggregate particle, it is possible to remarkably reduce contents of FeO, TiO, ZrOand it is possible to suppress white products from being colored while enhancing heat resistance by reducing the content of other components.
Bibliography:Application Number: JP20120167309