Paper Title:
Mechanical Properties of an Accumulative Roll Bonded Aluminium Alloy Composite
  Abstract

A multilayered sheet composite of commercial purity Al and Al-0.3%Sc alloys was produced by accumulative roll bonding. The final sheet material consisted of 64 ultra fine grained layers, each of ~7.8mm in thickness. The as-deformed material was annealed at temperatures ranging from 250 to 350°C to study the changes in microstructure and their associated influence on mechanical properties. The as-deformed structures largely comprised of high angle grain boundaries in the Al layers and low angle grain boundaries in the Al(Sc) layers. During annealing, the structures in the Al(Sc) layers remained unaltered, whereas the Al layers recrystallized rapidly to the full layer thickness. The mechanical properties of the Al-Al(Sc) composite were measured and found to be unique in strength and ductility with annealing temperature having a significant influence on these properties.

  Info
Periodical
Materials Science Forum (Volumes 618-619)
Edited by
M.S. Dargusch & S.M. Keay
Pages
551-554
DOI
10.4028/www.scientific.net/MSF.618-619.551
Citation
O. Al-Buhamad, M. Z. Quadir, M. Ferry, "Mechanical Properties of an Accumulative Roll Bonded Aluminium Alloy Composite", Materials Science Forum, Vols. 618-619, pp. 551-554, 2009
Online since
April 2009
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Price
$32.00
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