Abstract
The aim of this study is to investigate the effect of rotational speed on the microstructure and mechanical properties of friction welded 2014 aluminum alloy. The experimental results illustrate that the joint structure includes three zones: recrystallization zone (RZ), deformed zone (DZ) and partially deformed zone (PDZ). As the rotational speed is increased, the number of cracks and imperfections is sharply reduced and the hardness of RZ is increased. Maximum hardness is obtained at a speed of 2,000 rpm at the weld interface. The tensile test shows that elongation, yield and ultimate strength are increased with increasing the rotational speed. Fractured surfaces of welded samples also are discussed.
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Acknowledgments
The authors would like to thank Mohsen Abbasi (Young Researchers and Elite Club, Najafabad Branch, Islamic Azad University, Isfahan, Iran) for helping in etching the welded samples.
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Etesami, S.A., Enayati, M.H., Karimzadeh, F. et al. Investigating the Properties of Friction Welded 2014 Aluminum Joints Prepared with Different Rotational Speeds. Trans Indian Inst Met 68, 479–489 (2015). https://doi.org/10.1007/s12666-014-0475-7
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DOI: https://doi.org/10.1007/s12666-014-0475-7