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Friction stir welding of pure magnesium and polypropylene in a lap-joint configuration: Microstructure and mechanical properties

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Abstract

A hybrid joint with a satisfactory mixture of pure magnesium and polypropylene (PP) was achieved via friction stir joining (FSW) in a lap-joint configuration. The tool rotational and travel speeds used in this work were 500–700 r/min and 50–100 mm/min, respectively. The mechanical properties and microstructural analysis of the resultant hybrid Mg/PP joint were examined. The results show that the maximum tensile shear strength (22.5 MPa) of the joint was attained at 700 r/min and 75 mm/min due to the optimum percentage fraction of mechanical interlocking (48%) and the presence of magnesium oxide. The interfacial joint center exhibits the maximum microhardness values because of the presence of refined and intertwined Mg fragments and density dislocations in the matrix of the PP. The joint failed via two different modes: interfacial line and weld zone fractures, respectively.

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Authors and Affiliations

  1. Department of Materials Engineering, Imam Khomeini International University, Qazvin, 34149-16818, Iran

    Amirhossein Moghanian

  2. Department of Material Engineering, South Tehran Branch, Islamic Azad University, Tehran, 14598-53849, Iran

    Moslem Paidar

  3. Department of Engineering, Faculty of Materials Science and Engineering, Imam Hossein University, Tehran, 15816-18711, Iran

    Seyyed Salman Seyedafghahi

  4. Department of Industrial and Production Engineering, Federal University of Technology Akure, Akure, PMB 704, Nigeria

    Olatunji Oladimeji Ojo

Authors
  1. Amirhossein Moghanian
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  2. Moslem Paidar
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  3. Seyyed Salman Seyedafghahi
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  4. Olatunji Oladimeji Ojo
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Correspondence to Seyyed Salman Seyedafghahi.

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Moghanian, A., Paidar, M., Seyedafghahi, S.S. et al. Friction stir welding of pure magnesium and polypropylene in a lap-joint configuration: Microstructure and mechanical properties. Int J Miner Metall Mater 26, 766–774 (2019). https://doi.org/10.1007/s12613-019-1784-y

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  • DOI: https://doi.org/10.1007/s12613-019-1784-y

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