Composite as burner tube

摘要

A fired ceramic composite comprises: (i) a base fabric of aluminoborosilicate fibres, (ii) a carbonaceous layer coated on the base fabric, (iii) a SiC layer on the carbonaceous layer, and (iv) a coating over the SiC comprising SiC and aluminium phosphate in the molar ratio 1-50:1 and aluminoborosilicate particles as 0.5-70 wt.% of the mixt..