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DOI

Microstructure Domain Ontology

This is work in progress.

The Microstructure Domain Ontology is intended to be a domain ontology for physical metallurgy. The intension is to cover all relevant aspect of metallic microstructures, including:

  • composition
  • particles, both stable (primary) and metastable (precipitates)
  • grains
  • subgrains
  • grain boundaries & particle free zones (PFZs)
  • texture
  • dislocations
  • alloy systems

The aim is to support both microstructure modelling as well as characterisation.

For modelling, we will distinguish between

  • evolution models (that changes the microstructure through a succession of states) and
  • property models (that relates a microstructure state to a property).

It should support describing same concept at different spatial resolutions, like mean field, 1D, 2D and 3D.

For mean field descriptions (what about spatially resolved), it should be possible describe quantities at different statistical levels, like mean size, normalised size distribution (mean + standard deviation) and full size distribution.

There should be a common way to connect a state to external conditions, like temperature, volume/shape and pressure (essential for describing a process).

Open questions

  • Should industrial processes that changes the microstructure, like

    • casting (solidification)
    • homogenisation
    • extrusion/rolling
    • forming (deformation)
    • aging/heat treatment

    be included in this, or in separate sub-ontologies?

Imported ontologies

This ontology builds on top of EMMO and the crystallography and mechanics domain ontologies. See the following table for version compatibilies:

Imported Ontologies Version
EMMO 1.0.0-rc1
crystallography 0.0.1

Obtaining the Microstructure Domain Ontology

The Microstructure Domain Ontology can be access or opened in Protege using the following url

https://w3id.org/emmo/domain/microstructure/source

It can also be cloned from its GitHub repository using the git command:

git clone https://github.com/emmo-repo/domain-microstructure.git

Attributions and credits

Authors

  • Jesper Friis, SINTEF, Norway
  • Tomas Manik, NTNU, Norway
  • Sylvain Gouttenbroze, SINTEF, Norway
  • Astrid Marthinsen, SINTEF, Norway
  • Georg Schmitz, ACCESS, Germany
  • Ulrike Cihak-Bayr, AC2T, Austria

Projects

License

The physmet domain ontology is released under the Creative Commons Attribution 4.0 International license (CC BY 4.0).