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Modeling of Dislocation Grain Boundary Interactions in Gradient Crystal Plasticity Theories

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A physically-based dislocation theory of plasticity is derived within an extended continuum mechanical context. Thermodynamically consistent flow rules at the grain boundaries are derived. With an analytical solution of a three-phase periodic laminate, dislocation pile-up at grain boundaries and dis...

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Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
Prif Awdur: Erdle, Hannes (auth)
Fformat: Electronig Pennod Llyfr
Iaith:Saesneg
Cyhoeddwyd: Karlsruhe KIT Scientific Publishing 2022
Cyfres:Schriftenreihe Kontinuumsmechanik im Maschinenbau 19
Pynciau:
Mechanical engineering & materials
Gradienten-Kristallplastizität
Erweiterte Kontinuumstheorie
Kontinuumsversetzungstheorie
Korngrenzmodellierung
Finite Elemente Methode
Gradient Crystal Plasticity
Extended Continuum Theory
Continuum Dislocation Theory
Grain Boundary Modeling
Finite Element Method
Mynediad Ar-lein:OAPEN Library: download the publication
OAPEN Library: description of the publication
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Crynodeb:A physically-based dislocation theory of plasticity is derived within an extended continuum mechanical context. Thermodynamically consistent flow rules at the grain boundaries are derived. With an analytical solution of a three-phase periodic laminate, dislocation pile-up at grain boundaries and dislocation transmission through the grain boundaries are investigated. For the finite element implementations, numerically efficient approaches are introduced based on accumulated field variables.
Disgrifiad Corfforoll:1 electronic resource (186 p.)
ISBN:KSP/1000146388
9783731511960
Mynediad:Open Access

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