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

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 develop...

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Bibliographische Detailangaben
1. Verfasser: Bayerschen, Eric (auth)
Format: Elektronisch Buchkapitel
Sprache:Englisch
Veröffentlicht: KIT Scientific Publishing 2017
Schriftenreihe:Schriftenreihe Kontinuumsmechanik im Maschinenbau / Karlsruher Institut für Technologie, Institut für Technische Mechanik - Bereich Kontinuumsmechanik
Schlagworte:
Technology: general issues
Finite element method
Microwires
Einkristallplastizität
Finite Elemente MethodeGradient plasticity
Korngrenzeffekte
Single-crystal plasticity
Mikrodrähte
Grain boundary influence
Gradientenplastizität
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DOAB: description of the publication
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Beschreibung
Zusammenfassung: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.
Beschreibung:1 electronic resource (XII, 250 p. p.)
ISBN:KSP/1000062103
9783731506065
Zugangseinschränkungen:Open Access

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