Fig. 3: Room-temperature mechanical properties of the alloys.

a Engineering tensile stress–strain curves of SA (black), 1H (red), and 24H (blue) alloys (eu: uniform elongation). b Work-hardening rate versus true strain for SA, 1H, and 24H alloys. c Comparison of yield strength versus uniform elongation for the FeCo0.8V0.2 MEAs and other single or multiphase high-/medium-entropy alloys and maraging steels.