Focused ion beam characterization of deformation resulting from nanoindentation of nanoporous gold

Nicolas J. Briot, T. John Balk

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Regions of deformation resulting from nanoindentation testing of nanoporous gold (np-Au) are characterized by cross-sectional imaging of the ligament structure directly beneath the surface, after lift-out using focused ion beam techniques. Permanent deformation of the porous structure was not exclusively confined to the region directly in contact with the indenter but extended much deeper into the sample. Implications of these observations with respect to previous measurements of the mechanical properties of np-Au are discussed. The conclusions provide initial insight into the deformation behavior of np structures during nanoindentation, as well as a basis for extending this technique to other np metals.

Original languageEnglish
Pages (from-to)132-136
Number of pages5
JournalMRS Communications
Volume8
Issue number1
DOIs
StatePublished - Mar 1 2018

Bibliographical note

Publisher Copyright:
© Copyright Materials Research Society 2018.

ASJC Scopus subject areas

  • General Materials Science

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