ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,326, issued on Dec. 23, was assigned to DALIAN UNIVERSITY OF TECHNOLOGY (Dalian, China).

"Intelligent prediction method for tensile strength of FSW joints considering welding temperature and axial force" was invented by Xiaohong Lu (Dalian, China), Chong Ma (Dalian, China), Zhenyuan Jia (Dalian, China), Shixuan Sun (Dalian, China), Yihan Luan (Dalian, China) and Le Teng (Dalian, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention belongs to the field of friction stir welding (FSW) quality prediction and relates to an intelligent prediction method for the tensile strength of FSW joints considering welding temperature and axial force. T...