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cond-mat.mtrl-sci2021★ 3 cited
A discrete dislocation dynamics study of precipitate bypass mechanisms in nickel-based superalloys
Sabyasachi Chatterjee, Yang Li, Giacomo Po
Order strengthening in nickel-based superalloys is associated with the extra stress required for dislocations to bypass the precipitates distributed in the matrix. A rich…
cond-mat.mtrl-sci2020
How useful are formal hierarchies? A case study on averaging dislocation dynamics to define meso-macro plasticity
Sabyasachi Chatterjee, Amit Acharya
A formal hierarchy of exact evolution equations are derived for physically relevant space-time averages of state functions of microscopic dislocation dynamics. While such hierarchi…