Paper Title:
The Use of Bobbin Tools for Friction Stir Welding of Aluminium Alloys
  Abstract

The use of a double sided friction stir welding tool (known as a bobbin tool) has the advantage of giving a processed zone in the workpiece which is more or less rectangular in cross section, as opposed the triangular zone which is more typically found when conventional friction stir welding tool designs are used. In addition, the net axial force on the workpiece is almost zero, which has significant beneficial implications in machine design and cost. However, the response of these tools in generating fine microstructures in the nugget area has not been established. The paper presents detailed metallographic analyses of microstructures produced in 25mm AA6082-T6 aluminium wrought alloy, and examines grain size, texture and mechanical properties as a function of processing parameters and tool design, and offers comparison with data from welds made with conventional tools.

  Info
Periodical
Materials Science Forum (Volumes 638-642)
Main Theme
Edited by
T. Chandra, N. Wanderka, W. Reimers , M. Ionescu
Pages
1179-1184
DOI
10.4028/www.scientific.net/MSF.638-642.1179
Citation
P. L. Threadgill, M.M.Z. Ahmed, J. P. Martin, J. G. Perrett, B. P. Wynne, "The Use of Bobbin Tools for Friction Stir Welding of Aluminium Alloys", Materials Science Forum, Vols. 638-642, pp. 1179-1184, 2010
Online since
January 2010
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Price
$32.00
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