SILICON CARBIDE-NATURED REFRACTORY BLOCK
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United States of America Patent
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Sep 8, 2016
app pub date -
Mar 3, 2016
filing date -
Mar 4, 2015
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Abstract
A silicon carbide-natured refractory block includes a fire-resistant block body, and a calcination coated layer. The fire-resistant block body includes a silicon carbide-natured refractory having a predetermined configuration. The calcination coated layer includes silicon oxide made by heating an outer superficial portion of the fire-resistant block body to oxidize at least some of silicon carbide therein to turn the silicon carbide into the silicon oxide. The silicon oxide sinters the calcination coated layer to increase the corrosion resistance.
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