PRODUCTION OF DENSE SPECIAL CARBONACEOUS MOLDED BODY HAVING HIGH MIRROR FACE

PURPOSE:To obtain a special carbonaceous molded body light, hardly scratched and excellent in thermal shock resistance by grinding a molded body obtained by molding and firing a carbonaceous material having a prescribed volatile matter, toluene soluble matter, coefficient of volumetric shrinkage and...

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Bibliographische Detailangaben
Hauptverfasser:	TAKAO NORITOSHI, HASHIGUCHI SHOICHI
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS THEREOF CONCRETE INORGANIC CHEMISTRY LIME, MAGNESIA METALLURGY NON-METALLIC ELEMENTS REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain a special carbonaceous molded body light, hardly scratched and excellent in thermal shock resistance by grinding a molded body obtained by molding and firing a carbonaceous material having a prescribed volatile matter, toluene soluble matter, coefficient of volumetric shrinkage and bending strength. CONSTITUTION:Carbonaceous material having 3-25% volatile matter and 1-15% toluene soluble matter measured in the case of adjusting the average particle diameter to 15-20mum. Carbonaceous material having >=8% coefficient of volumetric shrinkage in a bar-shaped fired body made by molding at 1t/cm molding pressure and firing at 1000 deg.C. Carbonaceous material having >=200kg/cm bending strength in the fired body molded and fired in the same way. A fired molded body obtained by pulverizing, molding and firing the carbonaceous material having one or more of these three properties of carbonaceous materials is ground.