Time-resolved synchrotron tomographic quantification of deformation-induced flow in a semi-solid equiaxed dendritic Al–Cu alloy

B. Cai, S. Karagadde, D. Rowley, T. J. Marrow, T. Connolley, P.D. Lee

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)
48 Downloads (Pure)

Abstract

The rheology of semi-solid alloys has been studied by a novel in situ tomographic technique. Via extruding an equiaxed Al–15 wt.%Cu alloy, the inhomogeneous coherent compression of the α-Al grains was quantified, including the interdendritic channel closure and formation of a liquid extrudate. This investigation not only provides important insights into the microstructural changes occurring during semi-solid deformation, but also offers a validation benchmark for segregation and rheological models.
Original languageEnglish
Pages (from-to)69-72
Number of pages4
JournalScripta Materialia
Volume103
Early online date27 Mar 2015
DOIs
Publication statusPublished - 1 Jul 2015

Keywords

  • Semi-solid deformation
  • Segregation
  • Liquid flow
  • X-ray tomography

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