MATERIALS RESEARCH LETTERS, cilt.6, ss.442-449, 2018 (SCI İndekslerine Giren Dergi)
Unusual strain hardening response and ductility of NiCoCr equiatomic alloy were investigated through microstructural analysis of ,  and  single crystals deformed under tension. Nano-twinning prevailed at, as early as, 4% strain along the  orientation, providing a steady work hardening, and thereby a significant ductility. While single slip dominated in the  orientation at the early stages of deformation, multiple slip and nanotwinning was prominent in the  orientation. Significant dislocation storage capability and resistance to necking due to nanotwinning provided unprecedented ductility to NiCoCr medium entropy alloys, making it superior than quinary variants, and conventional low and medium stacking fault energy steels.