PROCESS FOR PROTECTION OF ARTICLE OF COMPOSITION MATERIAL FROM OXIDATION AND THE ARTICLE OF COMPOSITION MATERIAL WITH PROTECTIVE ANTIOXIDIZING COATING

摘要

The invention concerns a process which consists in applying on a part to be protected a composition containing a mixture of boron powder consisting mainly of TiB2, of powder of at least one vitreous refractory oxide consisting mainly of a borosilicate mixture, and a binder containing a ceramic precursor resin. The resin is crosslinked and then transformed into ceramic by heat treatment or during first exposure of the part when it is used at high temperatures.