US Patent Issued to CONSTELLIUM ISSOIRE on April 14 for "Aluminum alloy comprising lithium with improved fatigue properties" (French, American Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,036, issued on April 14, was assigned to CONSTELLIUM ISSOIRE (Issoire, France).

"Aluminum alloy comprising lithium with improved fatigue properties" was invented by Ricky Whelchel (Athens, Ohio), Mathieu Revil-Baudard (Fontaine, France), Philippe Jarry (Grenoble, France), Bernard Bes (Seyssins, France) and Fanny Mas (Grenoble, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aluminium alloy comprising lithium with improved mechanical strength and toughness. The invention relates to a 2XXX wrought alloy product comprising from 0.05 to 1.9% by weight of Li and from 0.005 to 0.045% by weight of Cr and/or of V. The invention also relates to an ...