Deformation behavior of a Zr55AI10Ni 5Cu30 bulk metallic glass at high temperatures

H. S. Shin, Y. J. Jung, K. H. Kim, J. H. Ann, H. Kato, A. Inoue

研究成果: Article査読

2 被引用数 (Scopus)

抄録

The deformation behaviors of a Zr55Al10Ni 5Cu30 bulk metallic glass under tensile loading at different initial strain rates and temperatures in the supercooled liquid region were investigated. The Zr55Al10Ni5Cu 30 bulk metallic glass has showed either homogeneous superplastic or inhomogeneous deformation depending on the test condition. The deformation behavior of Zr55Al10Ni5Cu30 alloy in the supercooled liquid region could be classified into three types. The flow stress in the supercooled liquid region generally became lower with increasing temperatures and decreasing strain rates. As the temperature increased, the strain rate which led to the peak elongation increased. The crystallization of glass phase of the alloy occurred during testing at low strain rates and higher temperature in the supercooled liquid region, and eventually, resulted in strain hardening and brittle fracture.

本文言語English
ページ(範囲)359-362
ページ数4
ジャーナルJournal of Metastable and Nanocrystalline Materials
24-25
DOI
出版ステータスPublished - 2005

ASJC Scopus subject areas

  • Materials Science (miscellaneous)
  • Materials Science(all)
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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