ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,775, issued on July 14, was assigned to RTX Corp. (Farmington, Conn.).
"Sacrificial fibers for cooling air flow in ceramic matrix composites, methods of manufacture and articles comprising the same" was invented by Jonas S. Banhos (Rocky Hill, Conn.), James T. Roach (Vernon, Conn.) and Russell Kim (Glastonbury, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a composite comprising a ceramic matrix composite comprising a ceramic matrix and ceramic fibers; and one or more sacrificial fibers woven into the ceramic matrix composite; where the sacrificial fibers are operative to undergo oxidation or melting upon being subjected t...