Ceramics containing fibers of silicon carbide

A silicon carbide-containing ceramic article of specific resistance not exceeding 10 .OMEGA..multidot.cm, using as matrix phase thereof one member selected from the group consisting of alumina, zirconia, magnesia, ferrites, uranium oxide, thorium oxide, MgAl.sub.2 O.sub.4, NiFeO.sub.4, NiCrO.sub.4, MgFe.sub.2 O.sub.4, LaCrO.sub.3, LaSrCrO.sub.3 and SrZrO.sub.3, silicon nitride, aluminum nitride, boron nitride, silicon carbide, boron carbide and titanium carbide, and having dispersed in said matrix phase fibrous crystals of silicon carbide 10 to 500 .mu.m in length and 0.1 to 10 .mu.m in diameter in an amount falling in the range of 5 to 50% by weight, and a powder of at least one electroconductive compound selected from the group consisting of SiC, TiC, ZrC, B.sub.4 C, WC, HfC, TaC, NbC, TiN, TaN, ZrN, NbN, VN, TiB.sub.2, ZrB.sub.2, HfB.sub.2 and TaB.sub.2 in an amount falling in the range of 2 to 20% by weight, respectively based on the combined amount of the composite.