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    Volume 49, Issue 3 (May 2021)

    Development of a Drop Weight Machine for Adhesive Joint Testing

    (Received 25 February 2019; accepted 4 June 2019)

    Published Online: 2021

    CODEN: JTEVAB

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    Abstract

    Adhesive materials are increasingly being considered as one of the best methods for joining parts with dissimilar characteristics. This is mostly due to the advantages they offer when compared with other joining processes, such as fastening, riveting, or welding. Adhesives provide high mechanical strength, contribute to lighter structures, and can be applied on surfaces with complex geometries. This set of properties is highly sought out in the automotive and aerospace industries. However, to ensure vehicle safety, the crashworthiness of adhesively bonded structures must be assessed to guarantee that they can withstand high impact loads and also absorb the energy involved. Therefore, it is important to follow the rising interest in this type of bonding with experimental data that help to understand adhesives’ behavior under impact conditions. In this article, a new drop weight impact test machine is proposed and its main features are highlighted, namely, the rotational anti-rebound subsystem and the U-shaped impactor, which are specifically designed to test adhesive joints. Experimental results of impact tests are presented, and the drop weight machine behavior is validated using numerical data.

    Author Information:

    Antunes, Diogo P. C.
    Instituto de Ciência e Inovação em Engenharia Mecânica e Engenharia Industrial, Porto,

    Lopes, António M.
    Departamento de Engenharia Mecânica, Faculdade de Engenharia, Universidade do Porto, Porto,

    Moreira da Silva, Carlos M. S.
    Departamento de Engenharia Mecânica, Faculdade de Engenharia, Universidade do Porto, Porto,

    da Silva, Lucas F. M.
    Departamento de Engenharia Mecânica, Faculdade de Engenharia, Universidade do Porto, Porto,

    Nunes, Paulo D. P.
    Instituto de Ciência e Inovação em Engenharia Mecânica e Engenharia Industrial, Porto,

    Marques, Eduardo A. S.
    Instituto de Ciência e Inovação em Engenharia Mecânica e Engenharia Industrial, Porto,

    Carbas, Ricardo J. C.
    Instituto de Ciência e Inovação em Engenharia Mecânica e Engenharia Industrial, Porto,


    Stock #: JTE20190147

    ISSN:0090-3973

    DOI: 10.1520/JTE20190147

    Author
    Title Development of a Drop Weight Machine for Adhesive Joint Testing
    Symposium ,
    Committee D14