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Symposiums


S9: Fatigue, reliability, and lifetime predictions

Sean Lean Nicolas Saintier
Sean Leen (University of Galway, Ireland)
sean.leen@nuigalway.ie
Nicolas Saintier (ENSAM, France)
Nicolas.SAINTIER@ensam.eu

Fatigue is a complex phenomenon that is influenced by many factors including microstructure, defects, surface state, environment, prior processing and loading.l Understanding the nucleation and propagation of fatigue cracks in materials and structural components subjected to cyclic loading is crucial for optimized design from material microstructures to structural engineering components. The identification and mechanistic basis of the physical processes leading to crack nucleation and growth across the length scales (from micro to macro) are still major issues in many engineering fields and the establishment of quantitative prediction remains a key research challenge. This session aims to bring together scientists and engineers addressing fatigue research using the most recent experimental characterisation technics and modelling approaches (ideally integrated) over a large class of materials and systems..

The session covers the following areas, although the list is not restrictive:

  • Novel experimental methods to characterize fatigue damage and crack growth
  • synchrotron and neutron diffraction technics for fatigue related issues ( tomography, DCT, 3DXRD, topo tomography)
  • Innovative theoretical approaches, computational and analytical methods including IA based methods
  • Fatigue mechanisms in advanced alloys and metallic systems
  • Process - microstructure - fatigue interactions with a specific attention to additive manufacturing related issues
  • Microstructure modelling
  • Meta-materials and lattice structures
  • Fatigue in harsh environments (corrosion, low temperature, manufacturing processing etc.)
  • Overloads, arbitrary loading sequences, service spectrum loads, combined fatigue regimes
  • Residual stress effects on fatigue damage and crack growth, measurement of internal stresses
  • Thermal and thermo-mechanical fatigue
  • Microstructurally short cracks
  • Multiaxial fatigue life prediction
  • Fatigue crack propagation under complex (including non-proportional) loadings
  • Probability-based design criteria
  • Life prediction methodologies for structural materials
  • Damage tolerance and fatigue life
  • Fatigue of composites, polymers and elastomers
  • Fatigue of Shape Memory Alloys
  • Important Dates

    Abstract submission

    • October 1st, 2023
      Beginning of abstract submission

    • December 22nd, 2023
      January 14th, 2024
      Abstract submission deadline

    Registration

    • March 1st, 2024
      Early registration deadline

    • April 1st, 2024
      Last registration for presenting authors with accepted abstract

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