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Multiscale simulation of plasticity in bcc metals

: Weygand, D.; Mrovec, M.; Hochrainer, T.; Gumbsch, P.

Preprint urn:nbn:de:0011-n-3704362 (685 KByte PDF)
MD5 Fingerprint: b3bc34520741a11f442d4af4994403d9
Erstellt am: 27.9.2016

Annual review of materials research 45 (2015), S.369-390
ISSN: 1531-7331
ISSN: 1545-4118
European Commission EC
FP7-NMP; 263335; MultiHy
Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer IWM ()
dislocation; plastic deformation; atomistic modeling; dislocation dynamics; continuum theory; single crystal

Significant progress in our understanding of plasticity in body-centered cubic (bcc) metals during the last decade has enabled rigorous multiscale modeling based on quantitative physical principles. Significant advances have been made at the atomistic level in the understanding of dislocation core structures and energetics associated with dislocation glide by using high-fidelity models originating from quantum mechanical principles. These simulations revealed important details about the influence of non-Schmid (nonglide) stresses on themobility of screw dislocations in bcc metals that could be implemented to