Influence of nanoprecipitation on strength of Cu60Zr 30Ti10 glass containing μm-ZrC particle reinforcements

H. Kato, K. Yubuta, D. V. Louzguine, A. Inoue, H. S. Kim

Research output: Contribution to journalArticlepeer-review

44 Citations (Scopus)


A nanostructured bulk metallic alloy reinforced by um-ceramic particles was prepared using nanoprecipitation in glassy matrix phase of a Cu 60Zr30Ti10 bulk glassy alloy containing 10 vol% ZrC dispersoids by a heat treatment. Structure of the matrix consists of a nanocrystalline phase less than 5 nm in diameter and a small amount of the residual glassy alloy phase. Composite effects of the nanoprecipitates and ZrC dispersoids on the mechanical properties of the CuooZrsoTijo bulk glassy alloy were investigated by compressive test at room temperature. Both fracture strength and ductility of the Cu60Zr30Ti10 glassy alloy were improved by μm-ZrC dispersoids at as-cast state. This composite material after heat treatment showed lower ductility but higher fracture strength due to nanoprecipitation of the glassy matrix.

Original languageEnglish
Pages (from-to)577-581
Number of pages5
JournalScripta Materialia
Issue number6
Publication statusPublished - 2004 Sep


  • Cu-based glassy alloy
  • Mechanical properties
  • Nanocomposite
  • ZrC dispersoid

ASJC Scopus subject areas

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

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