Journal of Materials Science

, Volume 31, Issue 7, pp 1925–1935 | Cite as

Delamination of filler-incorporated automotive epoxy adhesives from different steel substrates upon exposure to distilled water and NaCl solutions under applied bending stresses

  • R. C. L. Tai
  • Z. Szklarska-Smialowska


Delamination of four filler-incorporated automotive epoxy adhesives from five different steel substrates was studied using a three-point bending device. The bent specimens were exposed to distilled water and NaCl solutions with different concentrations from 1–5 weeks. It was found that the degree of adhesive delamination increased with the concentration of the NaCl solution, and with the magnitude of the applied bending stresses. The harder the adhesives, or the higher the content of the fillers in the adhesives, the lower was the degree of the adhesive delamination. In addition, the rank of the steel substrates in terms of their bonding resistance against adhesive delamination was determined. It is believed that the adhesion between the adhesives and the steel substrates is governed by the surface roughness of the steel substrates.


Polymer Epoxy Surface Roughness Material Processing Steel Substrate 
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Copyright information

© Chapman & Hall 1996

Authors and Affiliations

  • R. C. L. Tai
    • 1
  • Z. Szklarska-Smialowska
    • 1
  1. 1.Department of Materials Science and EngineeringOhio State UniversityColumbusUSA

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