Paper Title:
Influence of Contineous Transversal Inclination of Tool on FSW Joints
  Abstract

The influence of roll angle of the FSW tool rotation axis on tensile properties of joints was examined to clarify the allowance of deviation from proper tool posture for three-dimensional friction stir welding. A5083-O plates of 3 mm in thickness were butt welded by three-dimensional controlled FSW machine. Transversal inclination of the tool (roll angle of the tool) was continuously changed from 0 degrees to 10 degrees for both sides. Butt joints ruptured at base metal within the range of roll angle of the tool plus/minus 2 degrees, and ruptured at the thin part made by inclined tool shoulder entering in the range by plus/minus 7 degrees. Over the range of plus/minus 7 degrees, butt joints ruptured at elongated cavities made by tool inclination at the border of stir zone and base material.

  Info
Periodical
Materials Science Forum (Volumes 539-543)
Main Theme
Edited by
T. Chandra, K. Tsuzaki, M. Militzer , C. Ravindran
Pages
3850-3855
DOI
10.4028/www.scientific.net/MSF.539-543.3850
Citation
S. Oki, H. Takahara, Y. Okawa, M. Tsujikawa, Y. Marutani, K. Higashi, "Influence of Contineous Transversal Inclination of Tool on FSW Joints", Materials Science Forum, Vols. 539-543, pp. 3850-3855, 2007
Online since
March 2007
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Price
$32.00
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