ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,015, issued on April 15, was assigned to IHI Corp. (Tokyo).

"Method of manufacturing TiAl alloy and TiAl alloy" was invented by Keiji Kubushiro (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a TiAl alloy includes a casting step of melting and casting a TiAl alloy raw material which contains 42 at % or more and 45 at % or less of Al, 3 at % or more and 6 at % or less of Nb, 3 at % or more and 6 at % or less of V, 0.1 at % or more and 0.3 at % or less of B, and the balance being Ti and inevitable impurities, a hot forging step of hot forging the cast TiAl alloy by heating the cast TiAl alloy to a temperature range betwe...