Pull-off adhesion of hybrid glass-steel adhesive joints in salt fog environment

V. Fiore*, L. Calabrese, E. Proverbio, G. Galtieri, T. Scalici, V. M. Lo Presti, A. Valenza

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


The aim of this paper was to evaluate the durability behaviour of glass/steel adhesive joints exposed to salt fog environmental conditions for ten weeks, according to ASTM B117 standard. To this scope, pull-off mechanical tests were carried out in order to evaluate the performances evolution and damage phenomena of the adhesive joints during the ageing exposition. Two different types of adhesives were compared (i.e. epoxy and polyurethane ones). Moreover, the effects of the glass surface condition and the presence of a basalt mat layer within the adhesive thickness were evaluated. The mechanical performances were related with the occurred failure mechanisms. Epoxy-based joints showed higher strength and durability than the polyurethane based ones. Furthermore, frosted glass surface condition and basalt interlayer addition enhanced mechanical durability in salt fog environment of glass–metal dissimilar joints.

Original languageEnglish
Pages (from-to)2157-2174
Number of pages18
JournalJournal of Adhesion Science and Technology
Issue number19
Early online date26 Apr 2016
Publication statusPublished - 01 Oct 2016
Externally publishedYes


  • adhesives
  • basalt fibre
  • environmental degradation
  • Hybrid joints
  • pull-off
  • salt fog

ASJC Scopus subject areas

  • Chemistry(all)
  • Mechanics of Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

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