Relations between the thermal and mechanical properties of cast Zr-TM-Al (TM: Cu, Ni, or Co) bulk glassy alloys

Yoshihiko Yokoyama, Toru Yamasaki, Peter K. Liaw, Akihisa Inoue

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

Ternary Zr-TM-Al (TM: Cu, Ni or Co) bulk glassy alloys were fabricated to clarify the relations between the thermal and mechanical features. These alloy systems show the distinct ternary eutectic point, and a bulk glassy phase also forms around the ternary eutectic composition. We determine the 12 standard Zr-TM-Al bulk glassy alloys in this study. In the twelve standard Zr-TM-Al bulk glassy alloys, the glass-transition temperature has large positive correlation coefficient with Young's modulus and Vickers hardness. The melting temperature has large negative correlation coefficient with Charpy impact value, fracture strain and volume change due to structural relaxation. Furthermore, in order to recognize the origin of ductility, Poisson's ratio (metallic bond nature) and volume change (free volume) were also examined.

Original languageEnglish
Pages (from-to)1846-1849
Number of pages4
JournalMaterials Transactions
Volume48
Issue number7
DOIs
Publication statusPublished - 2007 Jul

Keywords

  • Charpy impact value
  • Poisson's ratio
  • Tensile fracture strain
  • Vickers hardness
  • Volume change
  • Young's modulus
  • Zr-TM-Al (TM: Cu, Ni or Co) bulk glassy alloy

ASJC Scopus subject areas

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

Fingerprint Dive into the research topics of 'Relations between the thermal and mechanical properties of cast Zr-TM-Al (TM: Cu, Ni, or Co) bulk glassy alloys'. Together they form a unique fingerprint.

Cite this