ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,910, issued on Jan. 13, was assigned to SHANGHAI JIAOTONG UNIVERSITY (Shanghai).
"Preparation method for gradient near-equiaxed crystal Cr coating on the surface of zirconium alloy cladding" was invented by Zhao Shen (Shanghai), Yiheng Wu (Shanghai), Zhexin Cui (Shanghai), Yahuan Zhao (Shanghai) and Xiaoqin Zeng (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A preparation method for a gradient near-equiaxed crystal Cr coating on the surface of a zirconium alloy cladding is described. According to the present invention, a high-power impulse magnetron sputtering technology is adopted, and by self-modification of HiPIMS equipment, argon gas i...