Grain boundary wetting correlated to the grain boundary properties: A laboratory-based multimodal X-ray tomography investigation

M. Sun, Y. Zhang*, A. Lyckegaard, T. Bachmann, E. M. Lauridsen, D. Juul Jensen

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

The penetration behavior of liquid gallium in aluminum is characterized using laboratory X-ray attenuation tomography and related to grain boundary properties obtained from the 3D grain map reconstructed by laboratory diffraction contrast tomography (LabDCT). The data is unique because more than 100 grain boundaries are analyzed. It is suggested that it is the grain boundary energy which determines if a boundary is wetted or not: low energy boundaries are much more resistant to liquid gallium than higher energy ones. The potentials of using laboratory diffraction contract tomography for statistical studies of grain boundaries are thereby demonstrated.
Original languageEnglish
JournalScripta Materialia
Volume163
Pages (from-to)77-81
ISSN1359-6462
DOIs
Publication statusPublished - 2019

Keywords

  • Grain boundary energy
  • Grain boundary wetting
  • Laboratory diffraction contrast tomography
  • Three-dimension tomography
  • X-ray diffraction

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