Synthesis and mechanical properties of conventionally cast icosahedral particle-reinforced Al-Mn(-Cu)-Be-Si alloys

E. Fleury, H. J. Chang, D. H. Kim, D. H. Kim, W. T. Kim

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)

Abstract

The microstructure of the Al-Mn(-Cu)-Be-Si alloys analyzed by X-ray diffraction and TEM consisted of icosahedral (i) quasicrystal particles embedded in αA1 matrix. The conjoint addition of Si and Be elements enabled the i-phase formation in Ø10 mm specimens prepared by conventional casting technique. The size, volume fraction and stability of the i-phase were found to be dependent on the Mn content. The addition of 2 at.% Cu did not affect the formation and stability of the i-phase but contributed significantly to the enhancement of the mechanical properties.

Original languageEnglish
Pages (from-to)3359-3362
Number of pages4
JournalMaterials Science Forum
Volume475-479
Issue numberV
DOIs
Publication statusPublished - 2005
EventPRICM 5: The Fifth Pacific Rim International Conference on Advanced Materials and Processing - Beijing, China
Duration: 2004 Nov 22004 Nov 5

All Science Journal Classification (ASJC) codes

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

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