ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,629, issued on Feb. 10, was assigned to Lockheed Martin Corp. (Bethesda, Md.).
"Functional tailoring of oxidation protection systems of carbon-carbon composites" was invented by Wei Shih (Yorba Linda, Calif.) and Witold Kowbel (Tucson, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure provides an oxidation-resistant carbon-carbon composite that is molecularly inhibited with uniformly dispersed carbides. Nanoparticles of refractory metals and/or semi-metals suspended in a colloidal suspension infiltrate pores of a carbon-carbon composite during an initial pre-impregnation stage or carbon densification stage. The carbon-carbon compo...