Volume 17, Issue 2 (March 1989)

    Apparent Stiffness of a Butt Joint with a Thick Adhesive Layer and Elastic-Plastic Adhesives

    (Received 7 March 1988; accepted 7 October 1988)

    CODEN: JTEOAD

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    Abstract

    The apparent stiffness of a thick adhesive layer in a butt joint is studied for adhesive materials with elastic-plastic material behavior. The finite element method was used for the determination of the joint stiffness as a function of the nominal strain. It was found that the stiffness obtained for the linear elastic case agreed with linear elastic solutions from the literature. Due to plasticity starting at the intersection of the adhesive and the adherend, the apparent stiffness of the adhesive layer decreases. The apparent stiffness reduction was not noticed below a nominal strain level of 0.5%.


    Author Information:

    Groth, HL
    Research Associate, The Royal Institute of Technology, Stockholm,

    Brottare, I
    Graduate Student, DALTEK, Borlänge,


    Stock #: JTE11102J

    ISSN: 0090-3973

    DOI: 10.1520/JTE11102J

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    Author
    Title Apparent Stiffness of a Butt Joint with a Thick Adhesive Layer and Elastic-Plastic Adhesives
    Symposium , 0000-00-00
    Committee D14