Determination of HCP/BCC boundaries and mechanical properties of dual phase alloy in binary Mg-Sc system

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

We proposed a novel Mg-Sc alloy with hcp+bcc dual phase. It is necessary to determine the Sc composition of hcp/bcc phase boundaries to control the dual phase microstructure. Thus, in this work, the Mg-Sc binary phase diagram was reconsidered using a conventional equilibrated alloy method. It was found from the obtained results that the hcp/bcc phase boundaries shifted towards a lower Sc content than those of previous reports. Mg-16.8 at% Sc alloy had a single bcc phase after annealing at 923K followed by quenching. The Mg-16.8 at% Sc alloy annealed at 923K followed by cooling at a rate of 20 K/min showed hcp+bcc dual phase and exhibited high strength and better ductility.

Original languageEnglish
Title of host publicationPTM 2015 - Proceedings of the International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2015
EditorsLong-Qing Chen, Matthias Militzer, Gianluigi Botton, James Howe, Chadwick Sinclair, Hatem Zurob
PublisherInternational Conference on Solid-Solid Phase Transformations in Inorganic Materials 2015
Pages419-420
Number of pages2
ISBN (Electronic)9780692437360
Publication statusPublished - 2015 Jan 1
EventInternational Conference on Solid-Solid Phase Transformations in Inorganic Materials 2015, PTM 2015 - Whistler, Canada
Duration: 2015 Jun 282015 Jul 3

Publication series

NamePTM 2015 - Proceedings of the International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2015

Other

OtherInternational Conference on Solid-Solid Phase Transformations in Inorganic Materials 2015, PTM 2015
CountryCanada
CityWhistler
Period15/6/2815/7/3

Keywords

  • Bcc/hcp dual phase
  • Magnesium alloy
  • Phase diagram

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Inorganic Chemistry
  • Materials Chemistry
  • Metals and Alloys

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