US Patent Issued to Siemens Energy Global on Sept. 23 for "Bilayer thermal barrier coatings with an advanced interface" (German, American Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,857, issued on Sept. 23, was assigned to Siemens Energy Global GmbH & Co. KG (Munich).

"Bilayer thermal barrier coatings with an advanced interface" was invented by Christopher Degel (Berlin), Roy Patgunarajah (Berlin) and Dimitrios Zois (Fort Mill, S.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A component with a ceramic coating system wherein the component includes a substrate, especially a nickel- or cobalt-based superalloy, a metallic bond coat, especially based on a NiCoCrAl composition, a ceramic coating system with an lower ceramic coating and an upper ceramic coating. An intermediate coating is located between lower coating and upper c...