Journal of Light Metal Welding
Online ISSN : 2186-618X
Print ISSN : 0368-5306
ISSN-L : 0368-5306
Volume 55 , Issue 4
Technical Paper
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Technical Paper
  • Hiroshi Kawakami, Atsushi Nishikawa, Shoki Komada, Yuji Yamamoto, Jipp ...
    2017 Volume 55 Issue 4 Pages 137-142
    Published: April 15, 2017
    Released: May 01, 2017

    Rotating tool spot joining in low rotating speed range is investigated in this study. Torque of the motor increased with the decrease of the rotating speed of the motor. Joint strength increases significantly with the decrease of the rotating speed. Shoulder plug fracture was observed as a characteristic fracture mode under the long joining time and low rotating speed joining conditions and it obtained the large plastic deformation. The rotational motion of the joining interface was similar with the Rankin vortex. The relationship between the joining interface deformation by the external force and the plastic deformability by the friction heat on this joining process was considered from the experimental results.

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