Solution hardening in body-centered cubic quaternary alloys interpreted using Suzuki's kink-solute interaction model
2019
Abstract Room temperature strength of nine multi-principle element body-centered cubic alloys are predicted using atomistic potentials and a solution-hardening model. The complex solute dislocation interactions are estimated using Embedded Atom Method potentials. At least six of these alloys are known to form single-phase solid solutions on annealing. Assuming that strength is rate limited by screw motion by kink migration, the interaction energies are incorporated into Suzuki's model for kink-solute interactions and evaluated at room temperature. The method predicts room temperature yield strength across all the alloys with a standard error of 13%.
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