US Patent Issued to Rolls-Royce on May 27 for "Metal matrix composite seal using directed energy deposition" (Indiana Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,439, issued on May 27, was assigned to Rolls-Royce Corp. (Indianapolis).

"Metal matrix composite seal using directed energy deposition" was invented by Scott Nelson (Indianapolis), John Grubbs (Indianapolis) and Stephanie Gong (Indianapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method may include controlling, by a computing device, an energy source to form a melt pool at a build surface; and controlling, by the computing device, a material delivery device to direct a powder at the melt pool to form the seal fin comprising a metal matrix composite on the build surface, wherein the metal matrix composite comprises a matrix material and a re...