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A model for the interaction of dislocations with planar defects based on Allen-Cahn type microstructure evolution coupled to strain gradient elasticity
M. Budnitzki, S. Sandfeld
In classical elasticity theory the stress-field of a dislocation is characterized by a -type singularity. When such a dislocation is considered together with an Allen-Cahn-typ…
Shear relaxation behind the shock front in 110 Molybdenum - From the Atomic Scale to Continuous Dislocation Fields
Roman Kositski, Dominik Steinberger, Stefan Sandfeld +1
In this work we study shock-induced plasticity in Mo single crystals, impacted along the <110> crystal orientation. In particular, the shear relaxation behind the shock front is qu…
A continuum approach to combined evolution and dislocation plasticity in Nickel-based superalloys
Ronghai Wu, Michael Zaiser, Stefan Sandfeld
Creep in single crystal Nickel-based superalloys has been a topic of interest since decades, and nowadays simulations are more and more able to complement experiments. In these all…
Insights from a minimal model of dislocation-assisted rafting in single crystal Nickel-based superalloys
Ronghai Wu, Stefan Sandfeld
Nickel-based superalloys play a major role in many technologically relevant high temperature applications. Understanding and predicting the evolution of the phase microstructure du…