FOCUSED SESSION 2: Image based Characterization and Modeling of Ceramics by Non-destructive Examination Techniques | The American Ceramic Society

FOCUSED SESSION 2: Image based Characterization and Modeling of Ceramics by Non-destructive Examination Techniques

Image based characterization techniques as such SEM, light microscopy, TEM and FIB-tomography as well as micro-tomography have gained an increase in resolution and speed in the past 10 years which make them suitable for microstructural characterization on micro- and nanometer length scale. Techniques as µCT, FIB/TEM-Tomography, SEM/AFM/Ultrasonic microscopy as well as digital image correlation, acoustic emission and high energy X-ray synchrotron and high performance computing enables an insight 3D view from materials to inspect or detect relative local microstructural changes and damage characteristics. A correlation and synchronization between the sensitivity of this several types NDE-techniques will close the length scale gap. Thus physical properties are highly effected by microstructure features (inhomogeneity as, e.g. porosity, grain borders, inclusions) their size, dimension, shape and orientation have to be taken into account. Providing microstructure based models derived from mentioned characterization tools for modeling and simulation will lead to a detailed real structure length scale depending modeling. Representative volume and volume of interest are of particular importance to link model and experiment for verification.

Proposed Session Topics
  • Influence of inhomogeneity on mechanical, chemical, electrical and thermal properties
    and the estimations
  • Characterization NDE technologies for defect extraction, shape calculation, grain orientation and void distribution by 3D-model data acquisition
  • Analysis of sintering and solidification based on image based models
  • Verification of model by experiment and vice versa
  • Optimized microstructures designed and simulated by topographies
  • Strain characterization by digital image correlation technique
  • Length scale depending modeling based on evaluated structural data
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