Paper Title:
Aging Behaviour of Aluminium Alloys after Severe Plastic Deformation
  Abstract

The process of severe plastic deformation (SPD) makes it possible to reduce the grain size to the submicrometer or nanometer range in many metallic materials. When the SPD process is applied to age hardenable alloys, it may also be possible to control aging behavior. In this study, a technique of equal-channel angular pressing (ECAP) is used as an SPD process and aging behavior is examined on the three selected Al alloy systems such as Al-Ag, Al-Mg-Si and Al-Si-Ge. The microstructures are observed using transmission electron microscopy and the mechanical properties including hardness are measured. It is shown that the SPD process introduces unusual phenomena in the precipitation process and there should be a potential for enhancement of strength over the conventional age-hardening process or for improvement of ductility while keeping the high strength.

  Info
Periodical
Materials Science Forum (Volumes 519-521)
Edited by
W.J. Poole, M.A. Wells and D.J. Lloyd
Pages
1485-1492
DOI
10.4028/www.scientific.net/MSF.519-521.1485
Citation
Z. Horita, "Aging Behaviour of Aluminium Alloys after Severe Plastic Deformation", Materials Science Forum, Vols. 519-521, pp. 1485-1492, 2006
Online since
July 2006
Authors
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Chihiro Watanabe, Fumiya Nishijima, Ryoichi Monzen, Kazue Tazaki
Abstract:The effects of P and Cr addition and two-step aging on the microstructure and mechanical properties of a Cu-4wt%Ni-0.95wt%Si alloy have been...
2321
Authors: Seung Won Lee, Daichi Akama, Z. Horita, Tetsuya Masuda, Shoichi Hirosawa, Kenji Matsuda
Abstract:This study presents an application of high-pressure torsion (HPT) to an Al-Li-Cu-Mg alloy (2091). The alloy was subjected to solid solution...
1243
Authors: Tahir Ahmad, Muhammad Kamran, Muhammad Faizan, Rafiq Ahmad, Bamban Ariwahjoedi, Faraz Hussain, Fahad Riaz
Chapter 5: Metals, Alloys and Processing Technologies for Mechanical Engineering
Abstract:The high specific strength, ease of working, good weldability and the ability to be precipitation strengthening have increased the demand of...
300