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Predicting Creep Failure by Machine Learning -- Which Features Matter?
Stefan Hiemer, Paolo Moretti, Stefano Zapperi +1
Spatial and temporal features are studied with respect to their predictive value for failure time prediction in subcritical failure with machine learning (ML). Data are generated f…
Enhanced fault-tolerance in biomimetic hierarchical materials -- a simulation study
Seyyed Ahmad Hosseini, Paolo Moretti, Michael Zaiser
Hierarchical microstructures are often invoked to explain the high resilience and fracture toughness of biological materials such as bone and nacre. Biomimetic material models insp…
Statistical Analysis and Stochastic Dislocation-Based Modelling of Microplasticity
Olga Kapetanou, Vasilis Koutsos, Efstathios Theotokoglou +2
Plastic deformation in microscale differs from the macroscopic plasticity in two respects: (i) the flow stress of small samples depends on their size (ii) the scatter of plasticity…
Pattern formation in a minimal model of continuum dislocation plasticity
Stefan Sandfeld, Michael Zaiser
The spontaneous emergence of heterogeneous dislocation patterns is a conspicuous feature of plastic deformation and strain hardening of crystalline solids. Despite long-standing ef…