Influence of subsequent cold work on the superplastic properties of a friction stir welded (FSW) aluminium alloy

S. Katsas, R. Dashwood, M. Jackson, R. Grimes

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Friction stir welding (FSW) can dramatically reduce grain size conferring excellent superplastic properties in certain aluminium alloys. Consequently, FSW of thick plate followed by rolling to sheet could potentially be used as a method of producing wide superplastic sheet from extrusion blanks for automotive applications.

An extruded Al–4Mg–1Zr alloy was FSW prior to rolling to sheet. The structure of the FSW region after rolling was complex and in certain cases significant grain coarsening resulted during heating to the superplastic deformation temperature. A detailed investigation of the factors responsible is available here.
Original languageEnglish
Pages (from-to)1022-1026
Number of pages5
JournalMaterials Science and Engineering A
Volume527
Issue number4-5
Early online date17 Sep 2009
DOIs
Publication statusPublished - 15 Feb 2010

Fingerprint

aluminum alloys
Aluminum alloys
friction
Friction
friction stir welding
thick plates
Superplastic deformation
Friction stir welding
blanks
Coarsening
Extrusion
grain size
Heating
heating
Temperature
temperature

Keywords

  • Friction stir welding
  • Superplasticity
  • Rolling
  • Aluminium

Cite this

Influence of subsequent cold work on the superplastic properties of a friction stir welded (FSW) aluminium alloy. / Katsas, S.; Dashwood, R.; Jackson, M.; Grimes, R.

In: Materials Science and Engineering A, Vol. 527, No. 4-5, 15.02.2010, p. 1022-1026.

Research output: Contribution to journalArticle

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