Mechanical properties of bulk aluminium consolidated from mechanically milled particles by back pressure equal channel angular pressing

Masahiro Kubota*, Xiaolin Wu, Wei Xu, Kenong Xia

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)

Abstract

Mechanically milled pure aluminium particles were consolidated into bulk material using back pressure equal channel angular pressing (BP-ECAP) at 373K. Compressive yield strengths of 380 and 422MPa with ultimate strengths over 500MPa were obtained after 4 and 8 passes of ECAP, respectively. Further strengthening was observed after heating at 673 and 773K. The age hardening and thermal stability were attributable to the formation of Al4C3 particles from a solid-state reaction during the isothermal heat treatments.

Original languageEnglish
Pages (from-to)6533-6536
Number of pages4
JournalMaterials Science and Engineering A
Volume527
Issue number24-25
DOIs
Publication statusPublished - Sep 2010
Externally publishedYes

Keywords

  • Age hardening
  • Aluminium carbide
  • Equal channel angular pressing
  • Mechanical milling
  • Pure aluminium
  • X-ray diffraction

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