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Improving synergy of strength and ductility in a multicomponent alloy via sequentially activated strengthening and toughening mechanisms
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DOI：10.1016/j.msea.2026.150906.png)
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Abstract
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• An FCC MCA with fine grains, annealing twins, retained dislocations and L12 nanoprecipitates was developed. • The alloy achieved a YS of 1550 MPa, a UTS of 1826 MPa and a total elongation of 13.7%. • Sequentially activated deformation mechanisms sustained continuous strain hardening and tensile ductility. • Fine grains and L12 precipitates contributed 59.3% of theoretical YS, twins and dislocations contributed 28.6%.
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