Evaluation of viscosity for Fe-based metallic glass in the supercooled liquid region by a single-particle compressive test

N. Yodoshi, R. Yamada, A. Kawasaki, R. Watanabe

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

A new method for determining the viscosity of the supercooled liquid region of metallic glasses by means of a single-particle compressive test (SPCT) is proposed. A spherical metallic glassy particle several hundred micrometers in diameter is uniaxially pressed using a precisely controlled micro-hot-pressing system. Assuming viscous flow of the material, we derived the viscosity as a function of compressive load and displacement under a constant crosshead speed. SPCT is effective in evaluating metallic glass viscosity regardless of glass forming capability.

Original languageEnglish
Pages (from-to)971-974
Number of pages4
JournalScripta Materialia
Volume67
Issue number12
DOIs
Publication statusPublished - 2012 Dec

Keywords

  • Fe-based metallic glass
  • Mono-sized particles
  • Single-particle compressive test
  • Viscosity

ASJC Scopus subject areas

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

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