Startseite Characterization of aluminum alloy microstructures by means of synchrotron X-ray micro-tomography – a simple toolchain for extracting quantitative 3D morphological features
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Characterization of aluminum alloy microstructures by means of synchrotron X-ray micro-tomography – a simple toolchain for extracting quantitative 3D morphological features

Paper presented at the Symposium “Tomographic and Radiographic Imaging with Synchrotron X-rays and Neutrons” of the MSE 2018, 26–28 September 2018, Darmstadt, Germany
  • Simon Zabler , Maximilian Ullherr , Christoph Schweizer , Christian Fella und Randolf Hanke
Veröffentlicht/Copyright: 25. Dezember 2019
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 111 Heft 1

Abstract

One fundamental topic in metallography is determining relations between microscopic arrangements of phases and defects, and macroscopic properties (such as tensile strength, effective stiffness tensor, effective conductivity, permeability) which are important for materials application. For multiphase materials such as aluminum–silicon alloys our work demonstrates how – in particular – three-dimensional geometric microstructure characteristics, such as particle sphericity, connectivity and contiguity can be measured accurately from 3D X-ray computed tomography scans. This study details a simple yet very effective imaging toolchain for measuring these quantities. By tailoring the three-dimensional morphology of the alloys’ phases through composition, cooling and thermo-mechanical treatment one can establish a multidimensional materials database. For a given function and application, such a database would allow for optimized selection of alloy and processing, e.g. using a material which is specifically designed and produced according to its properties. The extraction of meaningful stochastic parameters from 3D CT scans of metallic alloys is therefore highly important.

Keywords: Multi-phase materials; Micro computed tomography; Microstructure characterization; Image segmentation
∗ Correspondence address, Simon Zabler, Fraunhofer Institute for Integrated Circuits, Josef-Martin-Weg 63, D-97074 Würzburg, Germany, E-mail: , Tel.: +49 (0)931-31 80888

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Received: 2018-12-09
Accepted: 2019-08-13
Published Online: 2019-12-25
Published in Print: 2020-01-09

© 2020, Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Editorial
  4. Tomography and radiography using hard X-rays and neutrons: shedding light on materials properties and engineering devices
  5. Original Contributions
  6. In-situ synchrotron investigation of the phases- and their morphology-development in Mg–Nd–Zn alloys
  7. Observation of side arm splitting studied by high resolution X-ray radiography
  8. Re-solidification dynamics and microstructural analysis of laser welded aluminium
  9. Determination of damage mechanisms and damage evolution in fiber metal laminates containing friction stir welded thin foils
  10. Characterization of aluminum alloy microstructures by means of synchrotron X-ray micro-tomography – a simple toolchain for extracting quantitative 3D morphological features
  11. Investigation of the 3D hydrogen distribution in zirconium alloys by means of neutron tomography
  12. Effect of laser power on roughness and porosity in laser powder bed fusion of stainless steel 316L alloys measured by X-ray tomography
  13. Microstructure of polymer-imprinted metal–organic frameworks determined by absorption edge tomography
  14. 3d tomography analysis of the packing structure of spherical particles in slender prismatic containers
  15. Microstructure and texture contributing to damage resistance of the anosteocytic hinge-bone in the cleithrum of Esox lucius
  16. Time-resolved phase-contrast microtomographic imaging of two-phase solid–liquid flow through porous media
  17. People
  18. In Memoriam Prof. Dr. phil. Dr. techn. h. c. mult. Hellmut F. Fischmeister (1927–2019)
  19. DGM News
  20. DGM News
https://doi.org/10.3139/146.111854
Schlagwörter für diesen Artikel
Multi-phase materials; Micro computed tomography; Microstructure characterization; Image segmentation

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Editorial
  4. Tomography and radiography using hard X-rays and neutrons: shedding light on materials properties and engineering devices
  5. Original Contributions
  6. In-situ synchrotron investigation of the phases- and their morphology-development in Mg–Nd–Zn alloys
  7. Observation of side arm splitting studied by high resolution X-ray radiography
  8. Re-solidification dynamics and microstructural analysis of laser welded aluminium
  9. Determination of damage mechanisms and damage evolution in fiber metal laminates containing friction stir welded thin foils
  10. Characterization of aluminum alloy microstructures by means of synchrotron X-ray micro-tomography – a simple toolchain for extracting quantitative 3D morphological features
  11. Investigation of the 3D hydrogen distribution in zirconium alloys by means of neutron tomography
  12. Effect of laser power on roughness and porosity in laser powder bed fusion of stainless steel 316L alloys measured by X-ray tomography
  13. Microstructure of polymer-imprinted metal–organic frameworks determined by absorption edge tomography
  14. 3d tomography analysis of the packing structure of spherical particles in slender prismatic containers
  15. Microstructure and texture contributing to damage resistance of the anosteocytic hinge-bone in the cleithrum of Esox lucius
  16. Time-resolved phase-contrast microtomographic imaging of two-phase solid–liquid flow through porous media
  17. People
  18. In Memoriam Prof. Dr. phil. Dr. techn. h. c. mult. Hellmut F. Fischmeister (1927–2019)
  19. DGM News
  20. DGM News
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