Comparing the origin of ductility in the Zr-Al-Ni-Cu-M (M = Nb, Pd) metallic glasses

A. D. Setyawan, J. Saida, H. Kato, M. Matsushita, A. Inoue

研究成果: Article査読

2 被引用数 (Scopus)

抄録

The origin of Zr65Al7.5Ni10Cu 12.5Pd5 and Zr65Al7.5Ni 10Cu12.5Nb5 glassy alloys exhibiting a remarkable plastic strain of about 6% and over 10%, respectively, under compressive deformation is compared. Observation by transmission electron microscopic (TEM) indicates that the deformation-induced structural transformation from monolithic glassy phase is responsible for the large plasticity. The degree of structural change, however, is different between both alloys: the fcc-Zr2Ni crystals emerged within glassy phase for the former, while only ordered clusters were observed for the latter. The difference is suggested to correlate to the slower grain-growth of the primary crystallization phase in the Zr65Al7.5Ni 10Cu12.5Nb5 compared to those in the Zr 65Al7.5Ni10Cu12.5Pd5 alloy.

本文言語English
ページ(範囲)1884-1888
ページ数5
ジャーナルIntermetallics
18
10
DOI
出版ステータスPublished - 2010 10

ASJC Scopus subject areas

  • 化学 (全般)
  • 材料力学
  • 機械工学
  • 金属および合金
  • 材料化学

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