Friction Joint Between Basalt-Reinforced Composite and Aluminum

Andrei Costache, Kristian Glejbøl, Ion Marius Sivebæk, Christian Berggreen

    Research output: Contribution to journalJournal articleResearchpeer-review


    The purpose of this study was to anchor basalt-reinforced polymers in an aluminum grip using dry friction. Dry friction clamping is considered the optimal solution for post-mounting of load-bearing terminations on composite structures. A new test method is presented for characterizing the frictional load transfer behavior of the grip. To carry out the study, a custom-built test rig was used to examine the relation between pullout force and clamping force. The anchoring method was found to be successful. The paper presents details on the custom-built test rig, along with the use of digital image correlation for displacement monitoring. Pullout results and validation tests are presented. In the discussion, the results and the importance of the grips surface finish with regard to pullout force are discussed. The discussion was backed by investigations on wear patterns using SEM.
    Original languageEnglish
    Article number30
    JournalTribology Letters
    Issue number2
    Publication statusPublished - 2015


    • Friction joint
    • Clamping force
    • Basalt fiber-reinforced polymer
    • Coefficient of friction
    • Pullout force


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