Patents

Department of Energy Patents Thermal Barrier Coatings

November 1, 2010

Patent No. U.S. 7,740,948 B1
The United States of America as represented by the United States Department of Energy, Washington, D.C. has obtained a metallic article having a thermal barrier coating system thereon, comprised of a metallic substrate having a composition comprised of nickel; and a thermal barrier coating on a surface of the metallic substrate, the thermal barrier coating comprised of, a metal-ceramic mixture, the metal-ceramic mixture comprised of yttria stabilized zirconia dispersed with aluminum particles, nickel-aluminum intermetallic phases interposed between the metal-ceramic mixture and the surface of the metallic substrate, the nickel-aluminum intermetallic phases formed by a diffusion process between the metal-ceramic mixture and the metallic substrate.