supported in part by the Nationa Natural Science Foundation of China (51471025, 51671020, 51471024 and 11771407);the Department of Energy (DOE), Office of Fossil Energy, National Energy Technology Laboratory (DE-FE-0011194);the support from the US Army Research Office project (W911NF-13-1-0438);the support from the National Science Foundation (DMR-1611180 and 1809640)
Seldom could metals and alloys maintain excellent properties in cryogenic condition, such as the ductility, owing to the restrained dislocation motion.However, a face-centered-cubic(FCC) CoCrFeNi highentropy alloy(HEA...