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Home » Institute » Departments & Research Groups » Materials Informatics and Data Science

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ICAMS Research Group

Materials Informatics and Data Science

Key elements of the group’s work are the application of statistical and machine learning methods as well as data science approaches to materials science problems, mostly based on simulated data. With this focus, the research group strengthens and extends the “informatics” activities at ICAMS.


Markus StrickerRUB, Marquard
Prof. Dr. Markus Stricker

Professor

Room: 02-503
Tel.: +49 234 32 29377
E-Mail: markus.stricker@rub.de




Research

Applications of these methods focus on bridging between simulation methods like atom-continuum or mesoscale-continuum and connecting knowledge from simulations to experiments.

Bridging the scale: Atoms, microstructures, properties.
Snapshot from a nudged elastic band (NEB) simulation of the basal cross-slip process in pure Magnesium calculated with a Behler-Parrinello neural network interatomic potential. Colors indicate crystallographic arrangement with green: face-centred cubic; blue: body-centred cubic; grey: others; hexagonally close-packed atoms are not shown.
ICAMS, RUB

Current materials science research questions are related to plasticity of crystalline materials. In the past and present, this has included mechanical aspects of tribological contacts, strain hardening and dislocation multiplication, dislocation grain boundary interaction, development of interatomic potentials to assess energetics and dynamics of crystalline defects on the atomic level, and data fusion from simulation and experiment to understand and quantify observed material behavior from simulations and experiments. Research questions on the methodical side revolve around appropriate data formats, standardization and representation of information.



Competences

  • Plasticity modeling with mesoscale simulations and scale bridging
  • Validation of interatomic potentials based on machine-learning methods
  • Simulation of atomistic processes
  • Data fusion from simulations and experiments
Members
  • Baghaee Ravari, B.Sc. Sepideh
  • Chauniyal, Dr.-Ing. Ashish
  • Jogi, Dr. Tushar
  • Mahdavi Jafari, B.Sc. Mehrdad
  • Stricker, Prof. Dr. Markus
  • Udofia, Benjamin
  • Yansori, Niloofar
  • Zhang, M.Sc. Lei
Recent Publications
  • A. Demirci, D. Steinberger, M. Stricker et al. Statistical analysis of discrete dislocation dynamics simulations: initial structures, cross-slip and microstructure evolution. Modelling and Simulation in Materials Science and Engineering, 31, 075003, (2023)
  • G. Eshlaghi, G. Egels, S. Benito et al. Three-dimensional microstructure reconstruction for two-phase materials from three orthogonal surface maps. Frontiers in Materials, 10, 1-17, (2023)
  • M. Ali, O. Shchyglo, M. Stricker et al. Coherency loss marking the onset of degradation in high temperature creep of superalloys: phase-field simulation coupled to strain gradient crystal plasticity. Computational Materials Science, 220, 112069, (2023)
  • M. Stricker, M. Ziemann, M. Walter et al. Dislocation structure analysis in the strain gradient of torsion loading: a comparison between modelling and experiment. Modelling and Simulation in Materials Science and Engineering, 30, 035007, (2022)
  • P. Stoyanov, R. Merz, M. Stricker et al. Achieving ultra-low friction with diamond/metal systems in extreme environments. Materials, 14, 3791, (2021)
  • F. Musil, M. Veit, A. Goscinski et al. Efficient implementation of atom-density representations. The Journal of Chemical Physics, 154, 114109, (2021)

All publications



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