Recent trends in X‐ray based characterization of nodular cast iron

Tito Andriollo*, Chaoling Xu, Yubin Zhang, Niels Skat Tiedje, Jesper Henri Hattel

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

Through various examples, this short review presents the main X‐ray based techniques that are available to characterize nodular cast iron at the microstructural level. Emphasis is placed on the enormous potential offered by the recent developments in X‐ray tomography, X‐ray diffraction and digital volume correlation, which allow collecting microstructural and micromechanical information in 4D (3D plus time) during both casting and subsequent mechanical loading. The goal is to demonstrate that for nodular cast iron, which has an inherently three‐dimensional, composite microstructure, X‐ray based techniques provide some significant advantages over conventional microscopy. For this reason, these techniques can be instrumental in unveiling the mechanisms controlling both the formation of the microstructure as well as its micro‐mechanical behavior during in‐service loading, thus paving the way to the development of improved process‐structure‐property relations.
Original languageEnglish
Article numbere212
JournalMaterial Design and Processing Communications
Volume3
Issue number4
Number of pages10
ISSN2577-6576
DOIs
Publication statusPublished - 2021

Keywords

  • Cast iron
  • X-rays
  • 4D characterization
  • Tomography
  • Diffraction
  • Digital Volume Correlation

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