期刊
SCRIPTA MATERIALIA
卷 165, 期 -, 页码 103-106出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2019.02.012
关键词
Dislocation theory; Modeling; Simulation; Hardness; Suzuki model
类别
资金
- U.S. Air Force [FA8650-15-D-5230]
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%. (C) 2019 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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