Method for fabricating a ceramic material

A ceramic article comprising:

• a ceramic matrix composite including a porous reinforcement structure and a ceramic matrix within pores of the porous reinforcement structure, the ceramic matrix composite including a surface zone comprised of an exterior surface of the ceramic matrix composite and pores that extend from the exterior surface into the ceramic matrix composite;
• a glaze material sealing the surface zone within the pores of the surface zone and on the exterior surface of the surface zone as an exterior glaze layer on the ceramic matrix composite, wherein the glaze material is a borosilicate glass (BSG) material, and the ceramic matrix composite including an interior zone under the surface zone, the interior zone being free of any of the glaze material and having a greater porosity than the surface zone;
• and
• wherein the glaze material has a composition including, by weight, 10 to 30% Boron Oxide, B2O3, 0 to 4% Aluminum Oxide, Al2O3, 0 to 8% Sodium Oxide, Na2O, and 65 to 85% Silicon Dioxide, SiO2.