Effect of volume fraction and geometry of pores on mechanical properties of porous bulk glassy Pd42.5 Cu30 Ni7.5 P20 alloys

Takeshi Wada, Makoto Kinaka, Akihisa Inoue

研究成果: Article査読

32 被引用数 (Scopus)

抄録

Porous Pd42.5 Cu30 Ni7.5 P20 bulk glassy alloy rods with porosities up to 71% were successfully prepared by water quenching in a 15 MPa hydrogen atmosphere, followed by heat treatment in a supercooled liquid state. Pores with sizes up to 80 μm were homogeneously distributed over the whole cross-sectional area. Under compressive deformation, the porous alloys with porosities exceeding 41% did not show macroscopic fracture in a wide compressive strain range up to 0.6. Mechanical tests with porous alloy rods whose potes are anisotropically oriented indicate that the plasticity of the porous alloy is strongly affected by stress concentration factor.

本文言語English
ページ(範囲)1041-1047
ページ数7
ジャーナルJournal of Materials Research
21
4
DOI
出版ステータスPublished - 2006 4月

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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