Material parameters of FeCoCrNiAl0.5 HEA and pure Ni^47,48.

Parameter	Symbol	FeCoCrNiAl0.5 HEA	Pure Ni
Shear modulus (GPa)	μ	79.3	76
Poisson's ratio	υ	0.28	0.3
Burgers vector magnitude (nm)	b	0.256	0.249
Taylor factor	M	3.06	3.06
Taylor constant	α	0.33	0.4
Rate sensitivity exponent	m	20	20
Proportionality factor	Ψ	0.025	0.04
Dynamic recovery constant	K 20	25	18
Dynamic recovery constant	n 0	21.25	21.5
Reference strain rate (s−1)	0	1	1
Reference grain size (nm)	d e	580	800