(Icosahedral phase + α-Mg) two phase microstructures in the Mg-Zn-Y ternary system

S. Yi, E. S. Park, J. B. Ok, W. T. Kim, D. H. Kim

Research output: Contribution to journalArticle

76 Citations (Scopus)

Abstract

Structural applications of monolithic icosahedral phase (I-phase) materials have been limited by the brittleness of I-phases. Composite material design, including a ductile phase, can be a solution for the structural applications of the I-phase materials. Two phase microstructures, including thermodynamically stable I-phase, are studied in the Mg-rich corner of the alloy system Mg-Zn-Y. An (I-phase + α-Mg) eutectic microstructure is reported for the first time in the as-cast samples. By controlling thermal processing procedures, a very different (I-phase + α-Mg) microstructure from the eutectic microstructure can be developed, expanding the microstructural options available for the structural composite materials, comprising the I-phase and α-Mg solid solution.

Original languageEnglish
Pages (from-to)312-315
Number of pages4
JournalMaterials Science and Engineering A
Volume300
Issue number1-2
DOIs
Publication statusPublished - 2001 Feb 28

All Science Journal Classification (ASJC) codes

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

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