A high strength Cu-based alloy containing superlattice structures

Seung Jae Lee, Seok Woo Lee, Kyou Hyun Kim, Jun Hee Hahn, Jae Chul Lee

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

Cu86Zr11Al3, a Cu-based composite, was synthesized by copper mold casting. The composite showed a unique microstructure consisting of a ductile Cu crystalline phase and a hard superlattice phase. Uniaxial compression tests revealed a high strength (1.0-1.6 GPa) and fracture strain (9.2-15.0%). We report the mechanism underlying the observed mechanical properties of the composite in relation to its unique microstructure.

Original languageEnglish
Pages (from-to)457-460
Number of pages4
JournalScripta Materialia
Volume56
Issue number6
DOIs
Publication statusPublished - 2007 Mar

Bibliographical note

Funding Information:
This research was supported by the Basic Research Program (R01-2004-000-10891-0) of Korea Science and Engineering Foundation, Korea.

Keywords

  • Composite
  • Cu alloys
  • Superlattice

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

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