Amorphous Hf-based foams with aligned, elongated pores

Marie E. Cox, Laszlo J. Kecskes, Suveen N. Mathaudhu, David C. Dunand*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Warm equal channel angular extrusion is used to consolidate a blend of amorphous Hf44.5Cu27Ni13.5Ti5Al10 and crystalline W powders. Dissolution of the W phase results in ∼60% aligned, elongated pores within an amorphous Hf-based matrix exhibiting ductility in compression, but at lower strengths than similar amorphous Zr-based foams due to incomplete bonding between Hf-based powders.

Original languageEnglish (US)
Pages (from-to)124-127
Number of pages4
JournalMaterials Science and Engineering: A
Volume533
DOIs
StatePublished - Jan 30 2012

Keywords

  • Bulk amorphous alloy
  • Cellular materials
  • Equal channel angular processing
  • Hafnium-based glassy alloy
  • Porous materials

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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