Tailoring the microstructure and mechanical properties of Ti-Al alloy using a novel electromagnetic stirring method

K. Biswas, R. Hermann, J. Das, J. Priede, G. Gerbeth, J. Acker

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The effect of melt convection during the solidification of Ti45Al55 alloys was investigated in terms of microstructure evolution and the resulting mechanical properties. The samples were subjected to conventional induction melting as well as enhanced melt stirring by an external magnetic field using a specially designed floating zone arrangement. The stirred samples showed a significant improvement of plastic deformability. A strong change in the morphology from dendritic to spherical and an increased properitectic phase fraction were observed after stirring.

Original languageEnglish
Pages (from-to)1143-1146
Number of pages4
JournalScripta Materialia
Volume55
Issue number12
DOIs
Publication statusPublished - Dec 2006
Externally publishedYes

Keywords

  • Peritectic solidification
  • Plastic deformation
  • Stirring
  • Titanium aluminides

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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