Structural characteristics of β1 precipitates in Mg-Zn-based alloys

Alok Singh, Ampo Sai

Research output: Contribution to journalArticlepeer-review

82 Citations (Scopus)

Abstract

β1 precipitates in an Mg97Zn2.5Y0.5 alloy are shown to have a complex domain structure based on the structure of monoclinic Mg4Zn7 phase. All domains are oriented with [0 1 0]∥[0 0 0 1]Mg and one of the four planar matches with the matrix. Two of these orientations are related to two others by twinning on the (0 0 1) plane of the Mg4Zn7 phase. These orientations are brought about by crystallographic constraints from the matrix. An ordering of the domains creates a new structure.

Original languageEnglish
Pages (from-to)941-944
Number of pages4
JournalScripta Materialia
Volume57
Issue number10
DOIs
Publication statusPublished - 2007 Nov 1

Keywords

  • Domain structure
  • Electron diffraction
  • Magnesium alloys
  • Precipitation
  • Transmission electron microscopy (TEM)

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

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