3D analysis of macrosegregation in twin-roll cast AA3003 alloy

Michaela Šlapáková, Mariia Zimina, Stefan Zaunschirm, Johann Kastner, Jan Bajer, Miroslav Cieslar

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

Twin-roll cast aluminium alloys have a high potential for industrial applications. However, one of the drawbacks of such materials is an inhomogeneous structure generated by macrosegregation, which appears under certain conditions in the center of sheets during solidification. Segregations in AA3003 alloy form as manganese, iron and silicon rich channels spread in the rolling direction. Their spatial distribution was successfully detected by X-ray computed tomography. Scanning electron microscopy was used for a detailed observation of microstructure, morphology and chemical analysis of the segregation.

Original languageEnglish
Pages (from-to)44-49
Number of pages6
JournalMaterials Characterization
Volume118
Issue number118
DOIs
Publication statusPublished - 1 Aug 2016

Keywords

  • Aluminium alloys
  • Macrosegregation
  • Scanning electron microscopy
  • Twin-roll casting
  • X-ray computed tomography

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