4.6 Article

Influence of tool speeds on dissimilar friction stir spot welding characteristics of bulk metallic glass/Mg alloy

Journal

METALS AND MATERIALS INTERNATIONAL
Volume 18, Issue 4, Pages 685-689

Publisher

KOREAN INST METALS MATERIALS
DOI: 10.1007/s12540-012-4018-7

Keywords

amorphous materials; spot welding; mechanical properties; fracture

Funding

  1. Basic Science Research Program through the National Research Foundation of Korea (NRF)
  2. Ministry of Education, Science and Technology [2010-0024639]
  3. National Research Foundation of Korea [2010-0024639] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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A small-scale joining technique of dissimilar friction stir spot welding (FSSW) between bulk metallic glass and Mg alloy sheet has been tried using an apparatus which was devised with a CNC milling machine to give a precise control of tool speeds. The influence of tool speeds on the joining characteristics during FSSW was investigated. As a result, it was found that the rotation speed and plunge speed of a tool during FSSW significantly influenced the welding performance of dissimilar FSSW between bulk metallic glasses and Mg alloy.

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