REFRACTORY AND REFRACTORY STRUCTURE

PROBLEM TO BE SOLVED: To provide a refractory having excellent thermal shock resistance, and a refractory structure using the refractory.SOLUTION: In a refractory, as chemical components after heat treatment in a nonoxidizing atmosphere at 500°C, comprising free carbon by 2.0 to 7.0 mass%, and also,...

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Bibliographic Details
Main Authors IWAMOTO KENTARO, KAMIO HIDETOSHI
Format Patent
LanguageEnglish
Published 18.09.2014
Subjects
ARTIFICIAL STONE
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
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 a refractory having excellent thermal shock resistance, and a refractory structure using the refractory.SOLUTION: In a refractory, as chemical components after heat treatment in a nonoxidizing atmosphere at 500°C, comprising free carbon by 2.0 to 7.0 mass%, and also, as the free carbon, comprising linking carbon linking a refractory structure, the apparent porosity is 4 to 12% and also, the total volume of open pores with a size of 10 to 100 μm is controlled to 20 to 50 vol.% at a ratio in which the total volume of the open pores with a size of 200 μm or lower is defined as 100.
Bibliography:Application Number: JP20130043386