Interaction between long period stacking order phase and deformation twin in rapidly solidified Mg97Zn1Y2 alloy

M. Matsuda, S. Ii, Y. Kawamura, Y. Ikuhara, M. Nishida

Research output: Contribution to journalArticlepeer-review

172 Citations (Scopus)

Abstract

Interaction between long period stacking order (LPSO) phase and {1 0 1̄ 2} deformation twin in rapidly solidified Mg97Zn1Y2 alloy is investigated. The densely developed LPSO phase prevents the growth of {1 0 1̄ 2} deformation twin in Mg matrix. On the other hand, the LPSO phase with low density cannot be the resistance of the twinning. The trace of basal plane in such LPSO phase deviates with constant angle of about 3.8° at the twin boundary. This angle is well explained by the atomic movement with shuffling in the formation of {1 0 1̄ 2} twin. The interfacial microstructure of {1 0 1̄ 2} deformation twin is also discussed on the basis of high resolution electron microscopy (HREM).

Original languageEnglish
Pages (from-to)447-452
Number of pages6
JournalMaterials Science and Engineering A
Volume386
Issue number1-2
DOIs
Publication statusPublished - 2004 Nov 25
Externally publishedYes

Keywords

  • Atomic arrangement
  • Magnesium alloys
  • Shuffling
  • Transmission electron microscopy
  • Twinning

ASJC Scopus subject areas

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

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