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.
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Erdle, H. 2022. Modeling of Dislocation - Grain Boundary Interactions in Gradient Crystal Plasticity Theories. Karlsruhe: KIT Scientific Publishing. DOI: https://doi.org/10.5445/KSP/1000146388
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Veröffentlicht am 12. Juli 2022
Englisch
186
Paperback | 978-3-7315-1196-0 |