Plasticity of a scandium-based nanoglass

Xiao Lei Wang, Feng Jiang*, Horst Hahn, Peng Ju Li, Herbert Gleiter, Jun Sun, Ji Xiang Fang

*Corresponding author for this work

Research output: Contribution to journalArticle

68 Citations (Scopus)

Abstract

The mechanical properties of a Sc75Fe25 nanoglass and monolithic metallic glass (MG) with identical chemical composition were investigated by means of nanoindentation tests and quantitative in situ compression tests and tensile tests in a transmission electron microscope. The nanoglass exhibits excellent plastic deformation ability relative to the monolithic MG. It is particularly interesting to find that the 400 nm Sc75Fe25 nanoglass exhibits a 15% plastic strain under uniaxial tension. Such a nearly uniform tensile plasticity is unprecedented among MGs of similar sample sizes. The enhanced plasticity of the nanoglass can be attributed to its unique microstructure. 

Original languageEnglish
Pages (from-to)40-43
Number of pages4
JournalScripta Materialia
Volume98
DOIs
Publication statusPublished - 15 Mar 2015
Externally publishedYes

Keywords

  • Nanoglass
  • Glass-glass interface
  • Plasticity
  • In situ TEM

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