Grain boundary diffusion in CoCrFeMnNi high entropy alloy: kinetic hints towards a phase decomposition

Marcel Glienke, Mayur Vaidya, K. Gururaj +6

Grain boundary self-diffusion of ${}^{57}$Co, ${}^{51}$Cr, ${}^{59}$Fe and ${}^{54}$Mn in a coarse-grained, single-phase fcc CoCrFeMnNi high entropy alloy is measured in a wide temperature…