Refractory article and production process thereof
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United States of America Patent
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Jul 12, 2016
Grant Date -
Jun 25, 2009
app pub date -
May 14, 2007
filing date -
May 16, 2006
priority date (Note) -
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Abstract
The present invention relates to refractory articles in general having improved surface properties. The objective of the invention is to propose an improvement of the refractory articles comprised of a fused silica matrix which will overcome the some of the defects while keeping the excellent known properties of the fused silica matrix. This objective is reached when a sintered ceramic phase is present in the porosity of at least a portion of at least a surface of the matrix. The present invention also relates to a process for producing such an article.
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