5 papers
Pinning of dislocations in disordered alloys: Effects of dislocation orientation
Michael Zaiser, Ronghai Wu
The current interest in compositionally complex alloys including so called high entropy alloys has caused renewed interest in the general problem of solute hardening. It has been s…
Cyclic-loading microstructure-property relations from a mesoscale perspective: An example of single crystal Nickel-based superalloys
Ronghai Wu, Michael Zaiser
Past models of stress-strain response under cyclic loading mainly rely on macroscopic equations which consider microstructure evolution indirectly or simply discard microstructure…
Cell structure formation in a two-dimensional density-based dislocation dynamics model
Ronghai Wu, Michael Zaiser
Cellular patterns formed by self-organization of dislocations are a most conspicuous feature of dislocation microstructure evolution during plastic deformation. To elucidate the ph…
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…