Adherend Surface Preparation for Structural Adhesive Bonding

  • H. M. Clearfield
  • D. K. McNamara
  • Guy D. Davis

Abstract

This chapter summarizes our present understanding of surface preparations for structural adhesive bonding of aluminum, titanium, and steel adherends. Both the initial bond strength and the subsequent bond durability depend critically on the interaction of the adhesive (and/or primer) with a pretreated adherend. There are two mechanisms of adhesion that are prominent in structural adhesive bonding: mechanical interlocking of the polymer adhesive with a microscopically rough adherend surface, and chemical bonding (with either covalent bonds or weaker van der Waals bonds) of adhesive molecules to the (intentional) adherend oxide. The magnitude and relative importance of both of these interactions depend greatly on the nature of the adherend surface prior to bonding and on the rheology and chemistry of the adhesive.

Keywords

Steel Surface Alkaline Peroxide Forest Product Laboratory Oxide Morphology Hydration Resistance 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1991

Authors and Affiliations

  • H. M. Clearfield
    • 1
  • D. K. McNamara
    • 2
  • Guy D. Davis
    • 2
  1. 1.IBM T. J. Watson Research CenterYorktown HeightsUSA
  2. 2.Martin Marietta LaboratoriesBaltimoreUSA

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