composição de oxicarbeto de alumínio, método para produzir a composição de oxicarbeto de alumínio, e, material refratário

abstract not avaible [OBJECT] It is an object to provide an aluminum oxycarbide composition capable of suppressing oxidation of Al 4 O 4 C during use to maintain advantageous effects of Al 4 O 4 C for a long time. [SOLUTION] In an aluminum oxycarbide composition comprising Al 4 O 4 C crystals, the A...

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Hauptverfasser:	KEIICHIRO AKAMINE, JOKI YOSHITOMI
Format:	Patent
Sprache:	por
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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creator	KEIICHIRO AKAMINE JOKI YOSHITOMI
description	abstract not avaible [OBJECT] It is an object to provide an aluminum oxycarbide composition capable of suppressing oxidation of Al 4 O 4 C during use to maintain advantageous effects of Al 4 O 4 C for a long time. [SOLUTION] In an aluminum oxycarbide composition comprising Al 4 O 4 C crystals, the Al 4 O 4 C crystals have an average diameter of 20 µm or more, based on an assumption that a cross-sectional area of each Al 4 O 4 C crystal during observation of the aluminum oxycarbide composition in an arbitrary cross-section thereof is converted into a diameter of a circle having the same area as the cross-sectional area. This aluminum oxycarbide composition can be produced by subjecting a carbon-based raw material and an alumina-based raw material to melting in an arc furnace and then cooling within the arc furnace.
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[SOLUTION] In an aluminum oxycarbide composition comprising Al 4 O 4 C crystals, the Al 4 O 4 C crystals have an average diameter of 20 µm or more, based on an assumption that a cross-sectional area of each Al 4 O 4 C crystal during observation of the aluminum oxycarbide composition in an arbitrary cross-section thereof is converted into a diameter of a circle having the same area as the cross-sectional area. 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[SOLUTION] In an aluminum oxycarbide composition comprising Al 4 O 4 C crystals, the Al 4 O 4 C crystals have an average diameter of 20 µm or more, based on an assumption that a cross-sectional area of each Al 4 O 4 C crystal during observation of the aluminum oxycarbide composition in an arbitrary cross-section thereof is converted into a diameter of a circle having the same area as the cross-sectional area. 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[SOLUTION] In an aluminum oxycarbide composition comprising Al 4 O 4 C crystals, the Al 4 O 4 C crystals have an average diameter of 20 µm or more, based on an assumption that a cross-sectional area of each Al 4 O 4 C crystal during observation of the aluminum oxycarbide composition in an arbitrary cross-section thereof is converted into a diameter of a circle having the same area as the cross-sectional area. This aluminum oxycarbide composition can be produced by subjecting a carbon-based raw material and an alumina-based raw material to melting in an arc furnace and then cooling within the arc furnace.</abstract><oa>free_for_read</oa></addata></record>
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subjects	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
title	composição de oxicarbeto de alumínio, método para produzir a composição de oxicarbeto de alumínio, e, material refratário
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