The effect of surface preparation on the behaviour of double strap adhesive joints with thick steel adherents

K.N. Anyfantis, N.G. Tsouvalis

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

    Abstract

    One of the major factors determining the integrity of an adhesive bond is the preparation of the bonding surfaces. The present study is an experimental investigation of the effect of the surface preparation procedure on the response of a steel-to-steel double strap adhesive joint. Two procedures for preparing the bonding surfaces are investigated, namely grit blasting (GB) and simple sandpaper (SP). The behaviour of the joints, in terms of the force-displacement and strains-displacement responses was monitored and compared for both cases. The joints with SP surface preparation exhibited slightly lower stiffness and lower strength than the joints with GB surface preparation, while the latter failed at a lower displacement. In both cases, failure initiated at the free edges of the joints and the dominating failure mode was interfacial. In addition to the above experimental measurements, results are also presented from the application of a properly modified analytical model. © 2009 Taylor & Francis Group, London.
    Original languageEnglish
    Title of host publicationProceedings
    Publication date2009
    Pages387-392
    Publication statusPublished - 2009
    Event2nd International Conference on Marine Structures - Analysis and Design of Marine Structures - Lisbon, Portugal
    Duration: 16 Mar 200918 Mar 2009
    Conference number: 2

    Conference

    Conference2nd International Conference on Marine Structures - Analysis and Design of Marine Structures
    Number2
    Country/TerritoryPortugal
    CityLisbon
    Period16/03/200918/03/2009

    Keywords

    • Adhesive joints
    • Failure analysis
    • Ocean structures
    • Steel
    • Structural design

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