ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,279, issued on May 27, was assigned to Rolls-Royce Corp. (Indianapolis).
"Silica-rich barrier coatings" was invented by Robert Alexander Sean Golden (Noblesville, Ind.) and Matthew T. Kush (Martinsville, Ind.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In some examples, a method including depositing a plurality of particles on a ceramic or ceramic matrix composite (CMC) substrate to form a barrier coating on the ceramic or CMC substrate, the plurality of particles including a silica-rich rare earth (RE) disilicate material and a second material, wherein the silica-rich RE disilicate material includes excess silica compared to a stoichiometric RE ...