EAN: 9783731506065

SINGLE-CRYSTAL GRADIENT PLASTICITY WITH AN ACCU...

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.

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