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Eric Bayerschen

Single-crystal gradient plasticity with an accumulated plastic slip: Theory and applications

(Schriftenreihe Kontinuumsmechanik im Maschinenbau ; 9)

AutorBayerschen, Eric

VerlagKIT Scientific Publishing, Karlsruhe

ISBN9783731506065

UmfangXII, 250 S.

Veröffentlicht
am:
28.12.2016

Erscheinungs-
jahr
2017

VerfügbarkeitAktiv

Downloads:

Für Zitate bitte die folgende URL verwenden:
http://dx.doi.org/10.5445/KSP/1000062103

Abstract

In experiments on metallic microwires, size effects occur as a result of the interaction of dislocations with, e.g., grain boundaries. In continuum theories this behavior can be approximated using gradient plasticity. A numerically efficient geometrically linear gradient plasticity theory is developed considering the grain boundaries and implemented with finite elements. Simulations are performed for several metals in comparison to experiments and discrete dislocation dynamics simulations.