REFRACTORY ARTICLE AND PRODUCTION PROCESS THEREOF

摘要

The present invention relates to refractory articles in general having im proved surface properties. The objective of the invention is to propose an i mprovement of the refractory articles comprised of a fused silica matrix whi ch will overcome the some of the defects while keeping the excellent known p roperties of the fused silica matrix. This objective is reached when a sinte red ceramic phase is present in the porosity of at least a portion of at lea st a surface of the matrix. The present invention also relates to a process for producing such an article.