Bonded butt joints in pultruded GRP panels - an experimental study

Steven Boyd, Alexander Day

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

The strength of bonded butt joints in pultruded material is investigated experimentally. The joints are bonded with commercially available two-part, cold curing, epoxy and acrylic adhesives. The aim of this work is to investigate the comparative strength of the butt joints when adhesives of differing stiffness are used to join a variety of pultruded materials. The effect of joint configuration, including a novel finger joint configuration, and mechanical surface preparation are also explored. The bonded specimens were tested to failure under static longitudinal tensile loading at room temperature. The results indicate that the quality and content of the pultruded material is an important factor in joint efficiency. The novel finger-joint configuration provides some interesting results when compared to the standard double butt-strap joints.
Original languageEnglish
Pages (from-to)263-275
Number of pages12
JournalInternational Journal of Adhesion and Adhesives
Volume24
Issue number3
DOIs
Publication statusPublished - Jun 2004

Keywords

  • bonded butt joints
  • pultruded GRP panels
  • experimental study

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