Coating for silicon containing substrate

An article comprising a silicon based substrate, a bond layer and a protective layer, the bond layer comprising a silicon layer having a dispersion of particulate material therein, wherein the particulate material is selected from the group consisting of alumina, yttria, aluminum silicate, compounds of rare earth elements, alkaline earth elements, aluminum, oxygen, yttrium, nitrogen, niobium, tantalum, hafnium, zirconium, carbon, silicon and mixtures thereof.