Influence of Contineous Transversal Inclination of Tool on FSW Joints

Abstract:

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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 et al., "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:

$35.00

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