Aluminide-silicide coatings coated products

摘要

PCT No. PCT/US93/08413 Sec. 371 Date Nov. 4, 1994 Sec. 102(e) Date Nov. 4, 1994 PCT Filed Sep. 7, 1993 PCT Pub. No. WO94/07004 PCT Pub. Date Mar. 31, 1994An improved aluminide coating especially for heat resistant superalloy substrates. Slurry coating compositions of eutectic metal alloy powders and of non-eutectic metal powders. A process for coating the substrates and the coated metal parts. The coatings have improved resistance to developing cracks and to hot corrosion and oxidation.