Method of manufacturing graphite particles and refractory using the method
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United States of America Patent
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Issued Date -
Jul 1, 2004
app pub date -
Feb 11, 2004
filing date -
Mar 8, 2001
priority date (Note) -
Abandoned
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Abstract
A process for producing graphite grains, characterized by graphitizing carbon black by induction heating. A process in which at least one element selected from metals, boron and silicon is contained in graphite grains is preferable. Refractories obtained by molding a composition containing a refractory filler and the graphite grains produced by the foregoing process are excellent in thermal shock resistance, oxidation resistance and corrosion resistance. Consequently, a process for producing graphite grains in which the graphitization of carbon black that requires quite a high temperature in an ordinary heating method can easily proceed is provided. Further, refractories excellent in thermal shock resistance, oxidation resistance and corrosion resistance and having a low carbon content are provided.
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