Spot friction welding (SFW) is a cost-effective spot joining technology for aluminum sheets compared with resistance spot welding (RSW) [1]. In this study, coated mild steel was spot friction welded to 6000 series aluminum using a tool with shoulder diameter of 10 mm and welding conditions of 1500-2000 rpm and time of 5 s. Testing showed that tensile shear strength increased as the solidus temperature of the coating on the steel decreased. Microstructure characterizations of steel/Al joint interfaces showed that zinc from the coatings was incorporated into the stir nuggets and that intermetallic phases may have formed but not in continuous layers. Some Al-Zn oxides that appeared to be amorphous were also found in the joint interfaces.


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    Title :

    Spot Friction Welding of Aluminum to Steel


    Additional title:

    Sae Technical Papers


    Contributors:
    Nishiguchi, K. (author) / Asakawa, M. (author) / Tanioka, S. (author) / Gendo, T. (author)

    Conference:

    SAE World Congress & Exhibition ; 2007



    Publication date :

    2007-04-16




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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