Dealloying and morphology evolution of ordered and disordered Cu3Au

Ariana Y. Tse, Erin K. Karasz, Karl Sieradzki

Research output: Contribution to journalArticle

Abstract

This research compares the electrochemical behavior and morphology evolution of nanoporous gold made from dealloying parent-phase ordered and disordered Cu3Au. Using electron backscatter diffraction, we found that dealloying of both sets of Cu-Au samples leaves the grain orientations and grain shapes essentially unaltered with respect to that of the parent phase alloys. The mean ligament diameter, characterized by digital image analysis, made from the disordered alloy was 124 nm and that from the ordered alloy was 135 nm. A statistical T-test showed that this difference was not significant.

Original languageEnglish (US)
Pages (from-to)112-116
Number of pages5
JournalScripta Materialia
Volume176
DOIs
Publication statusPublished - Feb 2020

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Keywords

  • Copper alloys
  • Electrochemistry
  • Nanoporous gold
  • Order-disorder phenomena
  • Porous material

ASJC Scopus subject areas

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

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