Cu-based metallic glass matrix composites with high ductility

Yu Chan Kim, Do Hyang Kim, Jae-chul Lee

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Abstract

A composite microstructure consisted of μm-scale Ta-rich solid solution particles distributed in the bulk metallic glass matrix was successfully obtained by injection casting of the (Cu60Zr30Ti 10)95Ta5 alloy into a copper mold. The (Cu 60Zr30Ti10)95Ta5 bulk metallic glass matrix composite shows compressive strength of 2320 MPa and, in particular, a significantly improved plastic strain to failure of about 14.5%. The remarkable ductility improvement in the (Cu60Zr 30Ti10)95Ta5 composite could be explained by the presence of the highly ductile Ta-rich particles.

Original languageEnglish
Pages (from-to)441-444
Number of pages4
JournalMaterials Science Forum
Volume449-452
Issue numberI
Publication statusPublished - 2004 Jul 27

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Keywords

  • Bulk metallic glass matrix composite
  • Copper-based alloy
  • Ductility
  • Tantalum-rich particle

ASJC Scopus subject areas

  • Materials Science(all)

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